Attachment 7 RSL SBS Roof Assembly Plate_2020-06-23.pdf
PDF 1 MB Posted
- Solicitation number
- 127EAX26Q0065
- Issued by
-
Department of Agriculture Forest Service
About this file
This is a Johns Manville (JM) technical specification document for a 2-ply SBS bonded roofing system applied to insulation. The specification details approved materials and application methods for commercial and industrial roof installations over various structural substrates including steel, structural concrete, and nailable decks (wood, gypsum, cementitious wood fiber, and lightweight insulating concrete).
The system comprises multiple component layers with specific material options: approved base plies (DynaBase, DynaLastic, PermaPly, GlasTite, and DynaMax products in cold-applied format), optional vapor barriers and thermal barriers with specified thicknesses, approved cover boards when applicable, JM insulation products (DuraFoam, ENRGY 3 with PSI options, CGF, and tapered Fesco Board with three customizable thickness layers), and cap sheets using polyester-reinforced cool roof technology (DynaLastic 180 FR CR and 250 FR CR variants) applied cold adhesive. Installation requires proper deck preparation, specific lap requirements (4-6 inches depending on material type), and asphalt primer application where required. The specification document includes assembly identification coding, material compatibility matrices keyed to application methods (cold adhesive, hot asphalt, heat welded, self-adhered), and references JM technical services and guarantee requirements documentation for detailed installation guidelines and warranty specifications.
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Text version
Base Ply (Cold Applied):
DynaBase DynaBase PR DynaBase XT DynaLastic 180 S DynaLastic 250 S DynaPly T1 PermaPly 28 GlasTite Plexible DynaMax™Smooth
Deck Type:
Steel (22 Ga. Min.)
Structural Concrete Nailable Decks include:
Cementitious Wood Fiber Gypsum Lightweight Insulating Concrete Wood (Plywood, Plank, OSB)
Approved Vapor Barrier:
(If Applicable) DynaBase (CA) (HA) DynaBase PR (CA) (HA) GlasPly IV (HA) GlasPly Premier (HA) APPeX 4S (HW) DynaWeld™Base (HW) DynaBase HW (HW) DynaWeld 180 S (HW) JM APP™Base Sheet (HW) DynaGrip Base SD/SA (SA) JM BaseGrip™ SD/SA (SA) JM Vapor Barrier SA (SA) 6 or 10 mil poly with taped seams
Approved Thermal Barrier:
(If Applicable)
JM SECUROCK
Gypsum-Fiber Roof Board Glass-Mat Roof Board
JM DEXCELL
FA Glass-Mat Roof Board Glass-Mat Roof Board JM DensDeck JM DensDeck Prime DuraBoard Thermal Barrier Thickness _____
Approved Base Sheets:
(If Applicable) Over Nailable Deck DynaBase DynaBase PR DynaBase XT DynaFast 180 S DynaLastic 180 S DynaLastic 250 S GlasBase™ Plus GlasPly Premier GlasTite Flexible PermaPly 28 Ventsulation Felt
Approved Cover Boards: (If Applicable) 1/2" RetroFit™Board (HA) DuraBoard (CA) (HW) Fesco Board (HA) Fesco Board HD (HA)
JM DEXCELL
FA Glass-Mat Roof Board (CA) (HW) (SA)
JM SECUROCK
Gypsum-Fiber Roof Board (CA) (HA) (HW) (SA) JM DensDeck Prime (CA) (HA) (HW) (SA) RetroPlus™Roof Board (CA) (HA) ProtectoR™ HD Cover Board (CA) (SA) SeparatoR CGF Recover Board (CA) (SA) Cover Board Thickness _____
Approved JM Insulations:
DuraFoam
ENRGY 3
(ENRGY 3 Options)
CGF
20 PSI
25 PSI
Tapered Tapered Fesco Board Layer 1 Thickness _____ Layer 2 Thickness _____ Layer 3 Thickness _____
Vapor Barrier Application Key (CA) Cold Applied (HA) Hot Asphalt (HW) Heat Weld (SA) Self Adhered
For JM Guarantee Requirements Contact JM Technical Services at (800) 922-5922 Option 3 or Refer to the JM Peak Advantage Charges and Requirements-Multi Ply document
2Number of Plies
Cap Sheet Application Method CA = Cold Adhesive HA = Hot Asphalt HW = Heat Welded SA = Self Adhered
Cap Sheet C = Composite F = Fiberglass P = Polyester
Surfacing D = SBS Cap Sheet (Granule Surface) CR = Mineral Surfaced Cool Roof Sheet
Assembly Identification Substrate I = Insulated I D
-CR
Cap Sheet - Cold Applied (Polyester Reinforced - Cool Roof):
DynaLastic 180 FR CR DynaLastic 180 FR CR G DynaLastic 250 FR CR DynaLastic 250 FR CR G
P -CA
Cover Board Membrane Compatibility and Application Key (CA) Cold Applied (HA) Hot Asphalt (HW) Heat Weld (SA) Self Adhered
Wood Deck
Insulation
Cover Board Approved
Insulation or Cover Board
(if req'd.)
F ull S heet
Asphalt Primer if
Required
Drainage
4" End Lap
" Side Lap
Approved JM
Bituminous
B ase PlyFull S heet
4" End Lap
6" for Polyester
Approved JM
Bituminous
C ap Sheet
" Side Lap
1/2 Sheet
RS-1719 04-22 (Replaces 03-21)
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