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Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 07 22 00

ROOF AND DECK I NSULATI ON

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

ASTM I NTERNATI ONAL ( ASTM)

ASTM C1177/ C1177M ( 2013) St andar d Speci f i cat i on f or Gl ass Mat Gypsum Subst r at e f or Use as Sheat hi ng

ASTM C1289 ( 2016a) St andar d Speci f i cat i on f or Faced Ri gi d Cel l ul ar Pol y i socyanur at e Ther mal I nsul at i on Boar d

ASTM C208 ( 2012) Cel l ul osi c Fi ber I nsul at i ng Boar d

ASTM C552 ( 2016a) St andar d Speci f i cat i on f or Cel l ul ar Gl ass Ther mal I nsul at i on

ASTM C578 ( 2016) St andar d Speci f i cat i on f or Ri gi d, Cel l ul ar Pol yst yr ene Ther mal I nsul at i on

ASTM C726 ( 2017) St andar d Speci f i cat i on f or Mi ner al Wool Roof I nsul at i on Boar d

ASTM C728 ( 2017) St andar d Speci f i cat i on f or Per l i t e Ther mal I nsul at i on Boar d

ASTM D2178/ D2178M ( 2015a) Asphal t Gl ass Fel t Used i n Roof i ng and Wat er pr oof i ng

ASTM D226/ D226M ( 2009) St andar d Speci f i cat i on f or Asphal t - Sat ur at ed Or gani c Fel t Used i n Roof i ng and Wat er pr oof i ng

ASTM D312 ( 2000; R 2006) St andar d Speci f i cat i on f or Asphal t Used i n Roof i ng

ASTM D41/ D41M ( 2011; R 2016) St andar d Speci f i cat i on f or Asphal t Pr i mer Used i n Roof i ng, Damppr oof i ng, and Wat er pr oof i ng

ASTM D4263 ( 1983; R 2012) I ndi cat i ng Moi st ur e i n Concr et e by t he Pl ast i c Sheet Met hod

ASTM D4586/ D4586M ( 2007; E 2012; R 2012) Asphal t Roof Cement , Asbest os- Fr ee

ASTM D4601/ D4601M ( 2004; R 2012) Asphal t - Coat ed Gl ass Fi ber Base Sheet Used i n Roof i ng

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ASTM D4897/ D4897M ( 2016) St andar d Speci f i cat i on f or Asphal t - Coat ed Gl ass- Fi ber Vent i ng Base Sheet Used i n Roof i ng

ASTM E84 ( 2016) St andar d Test Met hod f or Sur f ace Bur ni ng Char act er i st i cs of Bui l di ng Materials

FM GLOBAL ( FM)

FM 4450 ( 1989) Appr oval St andar d f or Cl ass 1 I nsul at ed St eel Deck Roof s

FM 4470 ( 2010) Si ngl e- Pl y, Pol ymer - Modi f i ed Bi t umen Sheet , Bui l t - up Roof ( BUR) , and Li qui d Appl i ed Roof Assembl i es f or Use i n Cl ass 1 and Noncombust i bl e Roof Deck Construction

FM APP GUI DE ( updat ed on- l i ne) Appr oval Gui de http://www.approvalguide.com/

I NTERNATI ONAL CODE COUNCI L ( I CC)

I CC I BC ( 2015) I nt er nat i onal Bui l di ng Code

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 1 ( 2015; ERTA 2015) Fi r e Code

SCI ENTI FI C CERTI FI CATI ON SYSTEMS ( SCS)

SCS SCS Gl obal Ser vi ces ( SCS) I ndoor Advant age

UNDERWRI TERS LABORATORI ES ( UL)

UL 1256 ( 2002; Repr i nt Jul 2013) Fi r e Test of Roof Deck Const r uct i ons

UL 2818 ( 2013) GREENGUARD Cer t i f i cat i on Pr ogr am For Chemi cal Emi ssi ons For Bui l di ng Mat er i al s, Fi ni shes And Fur ni shi ngs

1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00

SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

I nsul at i on Boar d Layout and At t achment ; G

Ver i f i cat i on of Exi st i ng Condi t i ons; G

SD- 03 Pr oduct Dat a

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I nsul at i on; G

Cover Boar d; G

Fast ener s; G

Sheat hi ng Paper ; G

Moi st ur e Cont r ol ; G

SD- 06 Test Repor t s

Fl ame Spr ead Rat i ng; G

SD- 07 Cer t i f i cat es

Vol at i l e Or gani c Compounds ( VOC) Cont ent ; G

I nst al l er Qual i f i cat i ons; G

Cer t i f i cat es Of Compl i ance For Fel t Mat er i al s; G

SD- 08 Manuf act ur er ' s I nst r uct i ons

Nai l s and Fast ener s; G

Roof I nsul at i on; G

SD- 11 Cl oseout Submi t t al s

Vol at i l e Or gani c Compounds ( VOC) Cont ent ; S

1. 3 SHOP DRAWI NGS

Submi t i nsul at i on boar d l ayout and at t achment i ndi cat i ng met hods of at t achment and spaci ng, t r ansi t i ons, t aper ed component s, t hi cknesses of mat er i al s, and cl osur e and t er mi nat i on condi t i ons. Show l ocat i ons of r i dges, val l eys, cr i cket s, i nt er f ace wi t h, and sl ope t o, r oof dr ai ns.

Base shop dr awi ngs on ver i f i ed f i el d measur ement s and i ncl ude ver i f i cat i on of exi st i ng condi t i ons. .

1. 4 PRODUCT DATA

I ncl ude dat a f or mat er i al descr i pt i ons, r ecommendat i ons f or pr oduct shel f l i f e, r equi r ement s f or cover boar d or coat i ngs, and pr ecaut i ons f or f l ammabi l i t y and t oxi c i t y. I ncl ude dat a t o ver i f y compat i bi l i t y of seal ant s wi t h i nsul at i on.

1. 5 MANUFACTURER' S I NSTRUCTI ONS

I ncl ude f i el d of r oof and per i met er at t achment r equi r ement s.

Pr ovi de a compl et e descr i pt i on of i nst al l at i on sequenci ng f or each phase of t he r oof i ng syst em. I ncl ude weat her pr oof i ng pr ocedur es.

1. 6 QUALI TY CONTROL

Pr ovi de cer t i f i cat i on of i nst al l er qual i f i cat i ons f r om t he i nsul at i on manuf act ur er conf i r mi ng t he speci f i c i nst al l er has t he r equi r ed

Apr i l 2019 Page 3 SECTI ON 07 22 00 qual i f i cat i ons f or i nst al l i ng t he speci f i c r oof i nsul at i on syst em( s) indicated.

Pr ovi de cer t i f i cat es of compl i ance f or f el t mat er i al s.

1. 7 FM APPROVAL REQUI REMENTS

Pr ovi de f ast eni ng pat t er ns i n accor dance wi t h FM 1- 90 f or i nsul at i on on st eel decks.

1. 8 FI RE PERFORMANCE REQUI REMENTS

1. 8. 1 I nsul at i on i n Roof Syst ems

Compl y wi t h t he r equi r ement s of I CC I BC or UL 1256 or FM 4470. Roof i nsul at i on t o have a f l ame spr ead r at i ng of 75 or l ess when t est ed i n accor dance wi t h ASTM E84. Addi t i onal document at i on of compl i ance wi t h f l ame spr ead r at i ng i s not r equi r ed when i nsul at i on of t he t ype used f or t hi s pr oj ect as par t of t he speci f i c r oof assembl y i s l i s t ed and l abel ed as FM Cl ass 1 appr oved.

1. 8. 2 Fi r e Resi st ance Rat i ngs f or Roof s

Pr ovi de i n accor dance wi t h I CC I BC Chapt er 7 and Tabl e 721. 1( 3) Mi n Fi r e and Smoke Pr ot ect i on For Fl oor and Roof Syst ems.

1. 9 CERTIFICATIONS

Pr ovi de pr oduct s t hat ar e t hi r d par t y cer t i f i ed f or l ow Vol at i l e Or gani c Compounds ( VOC) Cont ent i n accor dance wi t h UL 2818 Gr eenguar d , SCS Sci ent i f i c Cer t i f i cat i on Syst ems I ndoor Advant age . ( http://www.scsglobalservices.com/indoor-air-quality-certification )

1. 10 DELI VERY, STORAGE, AND HANDLI NG

1. 10. 1 Delivery

Del i ver mat er i al s t o t he pr oj ect s i t e i n manuf act ur er ' s unopened and undamaged st andar d commer ci al cont ai ner s bear i ng t he f ol l owi ng l egi bl e information:

a. Name of manuf act ur er

b. Br and desi gnat i on

c. Speci f i cat i on number , t ype, and cl ass, as appl i cabl e, wher e mat er i al s ar e cover ed by a r ef er enced speci f i cat i on

d. Asphal t f l ashpoi nt ( FP) , equi v i scous t emper at ur e ( EVT) , and f i ni shed bl owi ng t emper at ur e ( FBT) .

Del i ver mat er i al s i n suf f i c i ent quant i t y t o al l ow cont i nui t y of t he wor k.

1. 10. 2 St or age and Handl i ng

St or e and handl e mat er i al s i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons as wel l as t he Ti nker AFB St andar ds. Pr ot ect f r om damage, exposur e t o open f l ame or ot her i gni t i on sour ces, wet t i ng, condensat i on, and moi st ur e absor pt i on. Keep mat er i al s wr apped and separ at ed f r om

Apr i l 2019 Page 4 SECTI ON 07 22 00 of f - gassi ng mat er i al s ( such as dr yi ng pai nt s and adhesi ves) . St or e al l mat er i al under t ar ps wi t h adequat e wei ght t o keep t he t ar ps i n pl ace.

Mat er i al f or t he pr oj ect must not be used as wei ght . Do not use mat er i al s t hat have vi s i bl e moi st ur e, war pi ng or bi ol ogi cal gr owt h. Al l mat er i al we shal l be newl ey pur chesed f or St or e i n an encl osed bui l di ng or t r ai l er t hat pr ovi des a dr y, adequat el y vent i l at ed envi r onment . St or e f el t r ol l s and r ol l goods on ends. For t he 24 hour s i mmedi at el y bef or e appl i cat i on of f el t s, st or e f el t s i n an ar ea mai nt ai ned at a t emper at ur e no l ower t han 50 degr ees F above gr ade and havi ng vent i l at i on on al l s i des. Repl ace damaged mat er i al wi t h new mat er i al .

1. 11 ENVI RONMENTAL CONDI TI ONS

Do not i nst al l r oof i nsul at i on dur i ng i ncl ement weat her or when ai r t emper at ur e i s bel ow 40 degr ees F and i nt er i or humi di t y i s 45 per cent or gr eat er , or when t her e i s v i s i bl e i ce, f r ost , or moi st ur e on t he r oof deck.

1. 12 PROTECTION

Pr ovi de pr ot ect i on as speci f i ed i n Ti nker Faci l i t y Sat andar ds.

1. 12. 1 Fl ame Heat ed Equi pment

1. 12. 1. 1 Fi r e Pr ot ect i on

Locat e mel t ket t l es no cl oser t han 25 f eet f r om bui l di ngs or combust i bl e mat er i al s. Pr ovi de and mai nt ai n t wo appr oved 4- A: 40- B: C f i r e ext i ngui sher s wi t hi n 25 f eet of each oper at i ng ket t l e. Fi r e ext i ngui sher s, oper at i ons and l ocat i ons must compl y wi t h NFPA 1 Sect i on Tar Ket t l es. Equi p asphal t ( t ar ) ket t l es wi t h t i ght f i t t i ng l i ds.

1. 12. 1. 2 Oper at i onal Requi r ement s

Equi p ket t l es wi t h aut omat i c t her most at i c cont r ol capabl e of mai nt ai ni ng asphal t t emper at ur e. Cal i br at e and mai nt ai n cont r ol s i n wor ki ng or der f or t he dur at i on of t he wor k. Equi p ket t l es wi t h means of agi t at i on and ensur e t hey ar e oper at i ng as necessar y t o pr oduce a cont r ol l ed uni f or m t emper at ur e t hr oughout ket t l e cont ent s t o pr event spot heat i ng. Do not heat cont ent s above f l ash poi nt . Do not pl ace f l ame heat ed equi pment on t he r oof .

1. 12. 2 Speci al Pr ot ect i on

Al l i nsul at i on shal l have t he f act or y appl i ed pr ot ect i ve pl ast i c and shal l be cover ed wi t h a t ar p at al l t i mes. Tar p shal l be f r ee of hol es and shal l be anchor ed t o pr event uncover i ng dur i ng i ncl ement weat her . Al l l oose i nsul ai t on shal l be r ecover ed wi t h pl ast i ce wr ap and cover ed wi t h a tarp.

1. 12. 3 Dr i ppage of Bi t umen

Seal j oi nt s i n and at edges of deck as necessar y t o pr event dr i ppage of asphal t i nt o t he bui l di ng or ont o adj acent sur f aces.

1. 12. 4 Compl et ed Wor k

Cover compl et ed wor k wi t h cover boar d f or t he dur at i on of const r uct i on.

Avoi d t r af f i c on compl et ed wor k par t i cul ar l y when ambi ent t emper at ur e i s above 80 degr ees F. Repl ace cr ushed or damaged i nsul at i on pr i or t o r oof

Apr i l 2019 Page 5 SECTI ON 07 22 00 sur f ace i nst al l at i on.

PART 2 PRODUCTS

2. 1 PRODUCT SUSTAI NABI LI TY CRI TERI A

Wher e al l owed by per f or mance cr i t er i a:

2. 1. 1 Reduce Vol at i l e Or gani c Compounds ( VOC) Cont ent s

Pr ovi de pr oduct s wi t h r educed VOC cont ent and pr ovi de document at i on i n accor dance wi t h Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG par agr aph REDUCE

VOLATI LE ORGANI C COMPOUNDS.

2. 1. 2 Recycl ed Cont ent

Pr ovi de pr oduct s wi t h r ecycl ed cont ent and pr ovi de document at i on i n accor dance wi t h Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG par agr aph

RECYCLED CONTENT.

2. 2 INSULATION

2. 2. 1 I nsul at i on Types

Pr ovi de one, or an assembl y of a maxi mum of t hr ee, of t he f ol l owi ng r oof i nsul at i on mat er i al s. Pr ovi de r oof i nsul at i on t hat i s compat i bl e wi t h at t achment met hods f or t he speci f i ed i nsul at i on and r oof membr ane.

a. Expanded Per l i t e Boar d: Pr ovi de i n accor dance wi t h ASTM C728. Mi ni mum

3/ 4 i nch t hi ck when bot h t op and bot t om sur f aces must be i n cont act wi t h asphal t .

b. Pol y i socyanur at e Boar d: Pr ovi de i n accor dance wi t h ASTM C1289 REV A Type I I , f i br ous f el t or gl ass mat membr ane bot h s i des, except mi ni mum compr essi ve st r engt h of 20 pounds per squar e i nch ( psi ) .

c. Composi t e Boar ds: Pr ovi de i n accor dance wi t h ASTM C1289 REV A, Type I I I , per l i t e i nsul at i on boar d f aced on one si de wi t h f i br ous f el t or gl ass f i ber mat membr ane on opposi t e s i de.

d. Cel l ul ar Gl ass Boar ds: ASTM C552, Type I V.

2. 2. 2 Mi ner al Fi ber I nsul at i on Boar d

Pr ovi de i n accor dance wi t h ASTM C726.

2. 2. 3 Recycl ed Mat er i al s

Pr ovi de t her mal i nsul at i on mat er i al s cont ai ni ng r ecycl ed cont ent i n accor dance wi t h par agr aph PRODUCT SUSTAI NABI LI TY CRI TERI A. Unl ess speci f i ed ot her wi se, t he mi ni mum r equi r ed r ecycl ed cont ent f or l i s t ed mat er i al s ar e:

Per l i t e Composi t i on Boar d: 75 per cent post consumer paper

Polyisocyanurate/polyurethane: 9 per cent r ecover ed mat er i al

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Wood Fi ber boar d: 100 per cent r ecover ed mat er i al

Cel l ul ar Gl ass I nsul at i on: 75 per cent r ecover ed cont ent

St r uct ur al Fi ber boar d: 100 per cent r ecover ed cont ent

Fi ber gl ass I nsul at i on: 25 per cent r ecover ed cont ent

Fi ber ( f el t ) or Fi ber composi t e: 75 per cent r ecover ed cont ent

Rubber: 90 per cent r ecover ed cont ent

Pl ast i c or Pl ast i c/ Rubber composi t e: 90 per cent r ecover ed cont ent

Wood/ Pl ast i c Composi t e: 90 per cent t ot al r ecover ed cont ent

2. 2. 4 I nsul at i on Thi ckness

As necessar y t o pr ovi de t he t her mal r esi st ance ( R- val ue) i ndi cat ed f or aver age t hi ckness of t aper ed syst em. Base cal cul at i on on t he R- val ue f or aged i nsul at i on. For i nsul at i on over st eel decks, sat i sf y bot h speci f i ed R- val ue and mi ni mum t hi ckness f or wi dt h of r i b openi ng r ecommended i n i nsul at i on manuf act ur er ' s publ i shed l i t er at ur e.

2. 2. 5 Taper ed Roof I nsul at i on

One l ayer of t he t aper ed r oof i nsul at i on assembl y must be f act or y t aper ed t o a s l ope of not l ess t han one i n 1/ 4 i nch per f oot . Fact or y f abr i cat e mi t er ed j oi nt s f r om t wo di agonal l y cut boar ds or one boar d shaped t o pr ovi de r equi r ed sl opes.

2. 2. 6 Cant s and Taper ed Edge St r i ps

Pr ovi de pr ef or med cant s and t aper ed edge st r i ps of t he same mat er i al as t he r oof i nsul at i on. When unavai l abl e, pr ovi de pr essur e- pr eser vat i ve t r eat ed wood, wood f i ber boar d, or r i gi d per l i t e boar d cant s and edge st r i ps as r ecommended by t he r oof i ng manuf act ur er f or t he speci f i c appl i cat i on, unl ess ot her wi se i ndi cat ed. Face of cant st r i ps t o i ncl i ne at 45 degr ees wi t h a mi ni mum ver t i cal hei ght of 4 i nches. Taper edge st r i ps at a r at e of one t o 1 1/ 2 i nch per f oot down t o appr oxi mat el y 1/ 8 i nch t hi ck.

2. 3 COVER BOARD

For use as a t her mal bar r i er ( under l ayment ) , f i r e bar r i er ( over l ayment ) , or cover boar d f or hot - mopped, t or ched- down, or adhesi ve- appl i ed r oof i ng membr ane over r oof i nsul at i on.

2. 3. 1 Gl ass Mat Gypsum Roof Boar d

ASTM C1177/ C1177M, 0 Fl ame Spr ead and 0 Smoke Devel oped when t est ed i n accor dance wi t h ASTM E84, 500 psi , Cl ass A, non- combust i bl e, 1/ 2 i nch t hi ck, 4 by 8 f eet boar d s i ze.

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2. 4 BITUMENS

2. 4. 1 Asphal t Pr i mer

Pr ovi de i n accor dance wi t h ASTM D41/ D41M.

2. 4. 2 Asphalt

Pr ovi de i n accor dance wi t h ASTM D312, Type I I I or I V. Asphal t f l ash poi nt , f i ni shed bl owi ng t emper at ur e, and equi v i scous t emper at ur e ( EVT) f or mop and mechani cal spr eader appl i cat i on must be i ndi cat ed on each container.

2. 4. 3 Asphal t Roof Cement

Pr ovi de i n accor dance wi t h ASTM D4586/ D4586M, Type I , f or hor i zont al sur f aces and sur f aces sl oped f r om 0 t o 3 i nches per f oot . Type I I f or ver t i cal and sur f aces sl oped mor e t han 3 i nches per f oot .

2. 5 SHEATHI NG PAPER FOR WOOD DECKS

Rosi n- si zed bui l di ng paper or unsat ur at ed f el t wei ghi ng not l ess t han 5 pounds per 100 squar e f eet .

2. 6 MOI STURE CONTROL

2. 6. 1 Vapor Ret ar der

2. 6. 1. 1 Asphal t Sat ur at ed Fel t Base Sheet f or Si ngl e Layer Appl i cat i on

Pr ovi de i n accor dance wi t h ASTM D4601/ D4601M, wei ghi ng not l ess t han 35 pounds per 100 squar e f eet .

2. 6. 1. 2 Asphal t - Coat ed Gl ass Fel t

Pr ovi de i n accor dance wi t h ASTM D2178/ D2178M, Type I V .

2. 6. 2 Vent i l at i ng Fel t f or Pour ed Concr et e Decks

Pr ovi de i n accor dance wi t h ASTM D4897/ D4897M, Type I I , non- per f or at ed, wi t h spot moppi ng hol es wher e speci f i ed.

2. 6. 3 Or gani c Roof i ng

Pr ovi de i n accor dance wi t h ASTM D226/ D226M, Type I .

2. 7 FASTENERS

Pr ovi de f l ush- dr i ven f ast ener s t hr ough f l at r ound or hexagonal st eel or pl ast i c pl at es. Pr ovi de zi nc- coat ed st eel pl at es, f l at r ound not l ess t han 1 3/ 8 i nch di amet er , hexagonal not l ess t han 28 gage. Pr ovi de hi gh- densi t y pl ast i c pl at es, mol ded t her mopl ast i c wi t h smoot h t op sur f ace, r ei nf or ci ng r i bs and not l ess t han 3 i nches i n di amet er . Ful l y r ecess f ast ener head i nt o pl ast i c pl at e af t er i t i s dr i ven. For m pl at es t o pr event di shi ng. Do not use bel l or cup shaped pl at es. Pr ovi de f ast ener s i n accor dance wi t h i nsul at i on manuf act ur er ' s r ecommendat i ons f or hol di ng power when dr i ven, or a mi ni mum of 120 pounds each i n st eel deck, whi chever i s t he hi gher mi ni mum. Pr ovi de f ast ener s f or st eel or concr et e decks i n accor dance wi t h FM APP GUI DE ( http://www.approvalguide.com/ ) f or

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Cl ass I r oof deck const r uct i on, and spaced t o wi t hst and upl i f t pr essur e of 90 pounds per squar e f oot .

2. 7. 1 Roof i ng Nai l s f or Wood Decks

Bar bed 11 gage, z i nc- coat ed nai l s wi t h 7/ 16 t o 5/ 8 i nch di amet er heads or annul ar r i ng shank, squar e head, one pi ece composi t e nai l s. Pr ovi de nai l s l ong enough t o penet r at e wood deck at l east 5/ 8 i nch wi t hout pr ot r udi ng t hr ough under si de of decki ng.

2. 7. 2 Fast ener s f or Pl ywood Decks

Annul ar r i ng shank, squar e head, one pi ece composi t e nai l s l ong enough t o penet r at e i nt o pl ywood decks appr oxi mat el y 1/ 2 i nch wi t hout pr ot r udi ng t hr ough under si de of decki ng.

2. 7. 3 Fast ener s f or St eel Decks

Appr oved har dened penet r at i ng f ast ener s or scr ews i n accor dance wi t h FM 4450 and l i s t ed i n FM APP GUI DE f or Cl ass I r oof deck const r uct i on.

Quant i t y and pl acement t o wi t hst and a mi ni mum upl i f t pr essur e of 90 psf i n accor dance wi t h FM APP GUI DE.

2. 7. 4 Fast ener s f or Pour ed Concr et e Decks

Appr oved har dened f ast ener s or scr ews t o penet r at e deck at l east 1 i nch but not mor e t han 1 1/ 2 i nches, i n accor dance wi t h FM 4470, and l i s t ed i n FM APP GUI DE f or Cl ass I r oof deck const r uct i on. Quant i t y and pl acement t o wi t hst and an upl i f t pr essur e of 90 psf i n accor dance wi t h FM APP GUI DE.

2. 8 WOOD NAI LERS

Pr essur e- pr eser vat i ve t r eat ed as speci f i ed i n Sect i on 06 10 00 ROUGH

CARPENTRY.

PART 3 EXECUTI ON

3. 1 EXAMI NATI ON AND PREPARATI ON

3. 1. 1 Sur f ace I nspect i on

Ensur e sur f aces ar e c l ean, smoot h, and dr y pr i or t o appl i cat i on. Ensur e sur f aces r ecei v i ng vapor r et ar der ar e f r ee of pr oj ect i ons t hat mi ght punct ur e t he vapor r et ar der . Check r oof deck sur f aces, i ncl udi ng sur f aces sl oped t o r oof dr ai ns and out l et s, f or def ect s bef or e st ar t i ng wor k.

The Cont r act or must i nspect and appr ove t he sur f aces i mmedi at el y bef or e st ar t i ng i nst al l at i on. Pr i or t o i nst al l i ng vapor r et ar der vent i l at i ng f el t i nsul at i on, per f or m t he f ol l owi ng:

a. Exami ne wood decks t o ascer t ai n t hat deck boar ds have been pr oper l y nai l ed and t hat exposed nai l heads have been set .

b. Exami ne st eel decks t o ensur e t hat panel s ar e pr oper l y secur ed t o st r uct ur al member s and t o each ot her and t hat sur f aces of t op f l anges ar e f l at or s l i ght l y convex.

c. Exami ne pr ecast concr et e decks t o ensur e t hat j oi nt s bet ween pr ecast uni t s ar e pr oper l y gr out ed and l evel ed t o pr ovi de sui t abl e sur f aces

Apr i l 2019 Page 9 SECTI ON 07 22 00 f or i nst al l at i on of vent i l at i ng f el t vapor r et ar der and i nsul at i on.

d. I n t he pr esence of t he Cont r act i ng Of f i cer per f or m t he f ol l owi ng sur f ace dr yness t est on concr et e subst r at es:

( 1) Foami ng: When pour ed on t he deck, one pi nt of asphal t when heat ed i n t he r ange of 350 t o 400 degr ees F, does not f oam upon cont act .

( 2) St r i ppabi l i t y : Af t er asphal t used i n t he f oami ng t est appl i cat i on has cool ed t o ambi ent t emper at ur es, t est coat i ng f or adher ence.

Shoul d a por t i on of t he sampl e be r eadi l y st r i pped cl ean f r om sur f ace, do not consi der sur f ace t o be dr y and do not st ar t appl i cat i on. Shoul d r ai n occur dur i ng appl i cat i on, st op wor k and do not r esume unt i l sur f ace has been r e- t est ed by met hod above and f ound dr y.

e. Pr i or t o i nst al l i ng any r oof syst em on a concr et e deck, moi st ur e t est t he deck i n accor dance wi t h ASTM D4263. The deck i s accept abl e f or r oof syst em appl i cat i on when t her e i s no vi s i bl e moi st ur e on under si de of pl ast i c sheet af t er 24 hour s.

3. 1. 2 Sur f ace Pr epar at i on

Cor r ect def ect s and i naccur aci es i n r oof deck sur f ace t o el i mi nat e poor dr ai nage f r om hol l ow or l ow spot s, per f or m t he f ol l owi ng:

a. Pr ovi de wood nai l er s of t he same t hi ckness as t he i nsul at i on at eaves, edges, cur bs, wal l s, and r oof openi ngs f or secur i ng of cant st r i ps, gr avel st ops, gut t er s, and f l ashi ng f l anges. On decks wi t h s l opes of one i n 12 ( 1 i nch per f oot ) or mor e, i nst al l wood nai l er s per pendi cul ar t o s l ope f or secur i ng i nsul at i on and f or backnai l i ng of r oof i ng f el t s. Space nai l er s i n accor dance wi t h appr oved shop drawings.

b. Fi l l or cover cr acks or knot hol es l ar ger t han 1/ 2 i nch i n di amet er i n wood decks as necessar y t o f or m an unyi el di ng sur f ace.

d. Cover st eel decks wi t h a l ayer of i nsul at i on boar d of suf f i c i ent wi dt h t o span t he wi dt h of a deck r i b openi ng, and i n accor dance wi t h f i r e saf et y r equi r ement s. Secur e wi t h pi er ci ng or sel f - dr i l l i ng, sel f - t appi ng f ast ener s of quant i t y and pl acement i n accor dance wi t h FM APP GUI DE. Locat e i nsul at i on j oi nt s par al l el t o r i bs of deck on sol i d bear i ng sur f aces onl y, not over open r i bs.

e. Sol i dl y appl y asphal t pr i mer t o pour ed, pr ecast concr et e decks at t he r at e of 1 gal l on per 100 squar e f eet of r oof sur f ace , st oppi ng appr oxi mat el y 4 i nches f r om j oi nt s bet ween pr ecast concr et e uni t s.

Al l ow pr i mer t o dr y t hor oughl y. Pl ace f el t st r i ps, 4 i nches or mor e i n wi dt h, over j oi nt s, 2 i nches on each si de, bet ween pr ecast concr et e uni t s i n a heavy coat i ng of col d- appl i ed asphal t r oof cement .

3. 2 I NSTALLATI ON OF VAPOR RETARDER

I nst al l vapor r et ar der i n di r ect cont act wi t h r oof deck sur f ace . Unl ess ot her wi se speci f i ed, vapor r et ar der t o consi st of ei t her t wo pl i es of No.

15 asphal t - sat ur at ed f el t , t wo pl i es of asphal t - coat ed gl ass f el t , or one l ayer of asphal t - sat ur at ed f el t base sheet . Lay vapor r et ar der at r i ght angl es t o di r ect i on of s l ope. I nst al l f i r st pl y of f el t or base sheet as speci f i ed her ei n f or t he speci f i c deck. Appl y second pl y of 2- pl y vapor

Apr i l 2019 Page 10 SECTI ON 07 22 00 r et ar der syst em usi ng asphal t at r at e of 20 t o 35 l bs per 100 squar e f eet , appl i ed wi t hi n pl us or mi nus 25 degr ees F of EVT. Do not heat asphal t above asphal t ' s FBT or 525 degr ees F, whi chever i s l ess. Use t her momet er s t o check t emper at ur es dur i ng heat i ng and appl i cat i on. Compl et el y seal s i de and end l aps. Asphal t must be vi s i bl e beyond al l edges of each pl y as i t i s bei ng i nst al l ed. Lay pl i es f r ee of wr i nkl es, buckl es, cr eases or f i shmout hs. Do not wal k on mopped sur f aces whi l e asphal t i s st i cky.

Pr ess out ai r bubbl es t o obt ai n compl et e adhesi on bet ween sur f aces. At wal l s, eaves, r akes, and ot her ver t i cal sur f aces, ext end vapor r et ar der or gani c f el t s or separ at e pl i es 9 i nches, wi t h not l ess t han 9 i nches on t he subst r at e, and t he ext ended por t i on t ur ned back and mopped i n over t he t op of t he i nsul at i on. At r oof penet r at i ons ot her t han wal l s, eaves and r akes, and ver t i cal sur f aces, ext end vapor r et ar der or separ at e pl i es 9 i nches t o f or m a l ap f ol ded back over t he edge of t he i nsul at i on. Pr ovi de asphal t r oof cement under t he vapor r et ar der f or at l east 9 i nches f r om wal l s, eaves, r akes and ot her penet r at i ons.

3. 2. 1 Vapor Ret ar der on Pour ed Concr et e Decks

Evenl y mop pr i med subst r at e wi t h asphal t at a r at e of 20 t o 35 l bs per 100 squar e f eet bef or e i nst al l i ng vapor r et ar der . Lay f i r st pl y of t wo- pl y syst em wi t h each sheet l appi ng 19 i nches over t he pr ecedi ng sheet . Lap ends not l ess t han 4 i nches. St agger l aps a mi ni mum of 12 i nches. For a vapor r et ar der consi st i ng of one l ayer of asphal t base sheet , pr ovi de si de and end l aps not l ess t han 4 i nches. St agger l aps a mi ni mum of 12 i nches.

Cement base sheet s t oget her wi t h a sol i d moppi ng of asphal t .

3. 2. 2 Vapor Ret ar der on Pr ecast Concr et e Decks

Evenl y mop pr i med subst r at e wi t h asphal t at a r at e of 20 t o 35 l bs per 100 squar e f eet bef or e i nst al l i ng vapor r et ar der . Lay f i r st pl y of t wo- pl y syst em wi t h each sheet l appi ng 19 i nches over pr ecedi ng sheet . Lap ends not l ess t han 4 i nches. St agger l aps a mi ni mum of 12 i nches. For vapor r et ar der consi st i ng of one l ayer of asphal t base sheet , pr ovi de si de and end l aps not l ess t han 4 i nches and st agger l aps a mi ni mum of 12 i nches.

Cement base sheet s t oget her wi t h a sol i d moppi ng of asphal t .

3. 2. 3 Over Gypsum I nsul at i ng Concr et e or Li ght wei ght I nsul at i ng Concr et e

Lay one pl y of vent i ng i nor gani c base sheet , wi t hout moppi ng, at a r i ght angl e t o t he s l ope wi t h 4 i nch si de l aps and 6 i nch end l aps. Bond l aps wi t h hot asphal t . St agger end l aps. at t ach t o t he concr et e deck i n accor dance wi t h upl i f t r equi r ement s. Appl y 2- pl y vapor r et ar der over t he base sheet as speci f i ed above.

3. 2. 4 Over Concr et e Decks and Fi r st Layer of I nsul at i on on St eel Decks

Appl y 2- pl y vapor r et ar der as speci f i ed above except del et e t he vent i ng i nor gani c base sheet .

3. 2. 5 Over St r uct ur al Concr et e on Non- Vent i ng Suppor t

Lay one pl y of vent i ng i nor gani c base sheet wi t h moppi ng hol es at a r i ght angl e t o t he s l ope wi t h 4 i nch si de l aps and 6 i nch end l aps t hen appl y t he vapor r et ar der as speci f i ed.

3. 3 I NSTALLATI ON OF VENTI LATI NG FELT

Appl y vent i l at i ng f el t i n accor dance wi t h manuf act ur er ' s pr i nt ed

Apr i l 2019 Page 11 SECTI ON 07 22 00 i nst r uct i ons. Ext end over r oof cant s, up ver t i cal sur f aces and t er mi nat e under cap f l ashi ng. At r oof edges t er mi nat e under out si de edge of per i met er edge nai l er s or under gr avel st op f asci a.

3. 4 I NSULATI ON I NSTALLATI ON

Appl y i nsul at i on i n t wo l ayer s wi t h st agger ed j oi nt s when t ot al r equi r ed t hi ckness of i nsul at i on exceeds 1/ 2 i nch. Lay i nsul at i on so t hat cont i nuous l ongi t udi nal j oi nt s ar e per pendi cul ar t o di r ect i on of f el t s f or t he bui l t - up r oof i ng, as speci f i ed i n Sect i on 07 51 13, and end j oi nt s of each cour se ar e st agger ed wi t h t hose of adj oi ni ng cour ses. When usi ng mul t i pl e l ayer s of i nsul at i on, pr ovi de j oi nt s of each succeedi ng l ayer t hat ar e par al l el and of f set i n bot h di r ect i ons wi t h r espect t o t he l ayer bel ow. Keep i nsul at i on 1/ 2 i nch cl ear of ver t i cal sur f aces penet r at i ng and pr oj ect i ng f r om r oof sur f ace. Ver i f y r equi r ed sl opes t o each r oof drain.

3. 4. 1 I nst al l at i on Usi ng Asphal t

Fi r ml y embed each l ayer i n sol i d asphal t moppi ng; mop onl y suf f i c i ent ar ea t o pr ovi de compl et e embedment of one boar d at a t i me. Pr ovi de 20 t o 35 l bs of asphal t per 100 squar e f eet of r oof deck f or each l ayer of i nsul at i on. Appl y asphal t when t emper at ur e i s wi t hi n pl us or mi nus 25 degr ees F of EVT. Do not heat asphal t above asphal t ' s FBT or 525 degr ees F, whi chever i s l ess, f or l onger t han 4 consecut i ve hour s. Use t her momet er s t o check t emper at ur es dur i ng heat i ng and appl i cat i on.

3. 4. 2 I nst al l at i on Usi ng Asphal t on St eel Decks

Secur e f i r st l ayer of i nsul at i on and t her mal bar r i er t o deck wi t h pi er ci ng or sel f - dr i l l i ng, sel f - t appi ng f ast ener s. Engage f ast ener s by dr i v i ng t hem t hr ough i nsul at i on i nt o t op f l ange of st eel deck. Use dr i v i ng met hod pr escr i bed by f ast ener manuf act ur er . Locat e i nsul at i on j oi nt s par al l el t o r i bs of deck on sol i d bear i ng sur f aces onl y, not over open r i bs. Secur e succeedi ng l ayer s wi t h sol i d asphal t moppi ngs. Wher e i nsul at i on i s appl i ed over st eel deck, l ocat e l ong edge j oi nt s so t hat t hey bear cont i nuousl y on t he st eel deck. I nsul at i on t hat can be r eadi l y l i f t ed af t er i nst al l at i on i s not consi der ed adequat el y secur ed. Appl y i nsul at i on onl y i n quant i t i es t hat can be ent i r el y wat er pr oof ed t he same day. Phased const r uct i on i s not per mi t t ed. Appl y i mper meabl e f aced i nsul at i on wi t hout damage t o t he f aci ng.

3. 4. 3 I nst al l at i on of Pr ot ect i on f or Asphal t Wor k

Bef or e st ar t i ng asphal t wor k, pr ot ect sur r oundi ng ar eas and sur f aces f r om spi l l age and mi gr at i on of asphal t ont o ot her wor k. Pr ovi de non- combust i bl e pr ot ect i ve cover i ngs at sur f aces adj acent t o hoi st s and ket t l es. Lap pr ot ect i ve cover i ngs at l east 6 i nches, secur e agai nst wi nd, and vent t o pr event col l ect i on of moi st ur e on cover ed sur f aces. Keep pr ot ect i ve cover i ngs i n pl ace f or t he dur at i on of asphal t wor k.

3. 4. 4 I nst al l at i on Usi ng Onl y Mechani cal Fast ener s

Secur e t ot al t hi ckness of i nsul at i on wi t h penet r at i ng t ype f ast ener s.

Apr i l 2019 Page 12 SECTI ON 07 22 00

3. 4. 5 Speci al Pr ecaut i ons f or I nst al l at i on of Foam I nsul at i on

3. 4. 5. 1 Pol y i socyanur at e I nsul at i on

Wher e pol y i socyanur at e f oam boar d i nsul at i on i s pr ovi ded, i nst al l 1/ 2 i nch t hi ck wood f i ber boar d, gl ass mat gypsum r oof boar d, or 3/ 4 i nch t hi ck expanded per l i t e boar d i nsul at i on over t op sur f ace of f oam boar d i nsul at i on. St agger j oi nt s of i nsul at i on wi t h r espect t o f oam boar d i nsul at i on bel ow.

3. 4. 6 Cant St r i ps

Wher e i ndi cat ed, pr ovi de cant st r i ps at i nt er sect i ons of r oof wi t h wal l s, par apet s, and cur bs ext endi ng above r oof . Wood cant st r i ps must bear on and be anchor ed t o wood bl ocki ng. Fi t cant st r i ps f l ush t o ver t i cal sur f aces. Wher e possi bl e, nai l cant st r i ps t o adj oi ni ng sur f aces. Wher e cant st r i ps ar e i nst al l ed agai nst non- nai l abl e mat er i al s, i nst al l i n heavy moppi ng of asphal t or set i n a heavy coat i ng of asphal t r oof cement or an appr oved adhesi ve.

3. 4. 7 Taper ed Edge St r i ps

Wher e i ndi cat ed, pr ovi de edge st r i ps i n t he r i ght angl e f or med by t he j unct ur e of r oof and wood nai l i ng st r i ps t hat ext end above t he l evel of t he r oof . I nst al l edge st r i ps f l ush t o ver t i cal sur f aces of wood nai l i ng st r i ps. Wher e possi bl e, nai l edge st r i ps t o adj oi ni ng sur f aces. Wher e i nst al l ed agai nst non- nai l abl e mat er i al s, i nst al l i n a heavy moppi ng of asphal t or set i n a heavy coat i ng of asphal t r oof cement or an appr oved adhesive.

3. 5 PROTECTION

3. 5. 1 Pr ot ect i on of Appl i ed I nsul at i on

Compl et el y cover each day' s i nst al l at i on of i nsul at i on wi t h f i ni shed r oof i ng speci f i ed i n t he St at ement of Wor k on same day. Phased const r uct i on i s not per mi t t ed. Pr ot ect open spaces bet ween i nsul at i on and par apet s or ot her wal l s and spaces at cur bs, scut t l es, and expansi on j oi nt s, unt i l per manent r oof i ng and f l ashi ng ar e appl i ed. St or i ng, wal k i ng, wheel i ng, or t r ucki ng di r ect l y on i nsul at i on or on r oof ed sur f aces i s not per mi t t ed. Pr ovi de smoot h, c l ean boar d or pl ank wal kways, r unways, and pl at f or ms near suppor t s, as necessar y, t o di st r i but e wei ght i n accor dance wi t h i ndi cat ed l i ve l oad l i mi t s of r oof const r uct i on .

Pr ot ect exposed edges of i nsul at i on wi t h cut of f s at t he end of each wor k day or whenever pr eci pi t at i on i s i mmi nent . Cut of f s must be t wo l ayer s of bi t umi nous- sat ur at ed f el t set i n pl ast i c bi t umi nous cement or s i ngl e pl y or EPDM membr ane set i n r oof cement . Fi l l al l pr of i l e voi ds i n cut of f s t o pr event t r appi ng moi st ur e bel ow t he membr ane. Remove cut of f s when wor k resumes.

3. 5. 2 Damaged Wor k and Mat er i al s

Rest or e wor k and mat er i al s t hat become damaged dur i ng const r uct i on t o or i gi nal condi t i on or r epl ace wi t h new mat er i al s.

3. 6 INSPECTION

Est abl i sh and mai nt ai n i nspect i on pr ocedur es t o assur e compl i ance of t he i nst al l ed r oof i nsul at i on wi t h cont r act r equi r ement s. Remove, r epl ace, Apr i l 2019 Page 13 SECTI ON 07 22 00 cor r ect i n an appr oved manner , any wor k f ound not i n compl i ance. Qual i t y cont r ol must i ncl ude, but i s not l i mi t ed t o, t he f ol l owi ng:

a. Obser vat i on of envi r onment al condi t i ons; number and ski l l l evel of i nsul at i on wor ker s; st ar t and end t i me of wor k.

b. Ver i f i cat i on of cer t i f i cat i on, l i s t i ng or l abel compl i ance wi t h FM Dat a Sheet s. ( https://www.fmglobal.com/fmglobalregistration/Downloads.aspx )

c. Ver i f i cat i on of pr oper st or age and handl i ng of i nsul at i on and vapor r et ar der mat er i al s bef or e, dur i ng, and af t er i nst al l at i on.

d. I nspect i on of vapor r et ar der appl i cat i on, i ncl udi ng edge envel opes and mechani cal f ast eni ng.

e. I nspect i on of mechani cal f ast ener s; t ype, number , l engt h, and spaci ng.

f . Coor di nat i on wi t h ot her mat er i al s, cant s, s l eeper s, and nai l i ng st r i ps.

g. I nspect i on of i nsul at i on j oi nt or i ent at i on and l aps bet ween l ayer s, j oi nt wi dt h and bear i ng of edges of i nsul at i on on deck.

h. I nst al l at i on of cut of f s and pr oper j oi ni ng of wor k on subsequent days.

i . Cont i nuat i on of compl et e r oof i ng syst em i nst al l at i on t o cover i nsul at i on i nst al l ed same day.

j . Ver i f i cat i on of r equi r ed sl ope t o each r oof dr ai n.

- - End of Sect i on - -

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