36C25219B0022-0007013.pdf

10-01-17

PROJECT NO: 537-321 07 21 13R - 1

CONTRACT NO: VA69D-P-1558

SECTION 07 21 13R

THERMAL INSULATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Thermal insulation

a. Board or block insulation at foundation perimeter.

b. Batt or blanket insulation at exterior and furred walls.

c. Board or block insulation at floor assemblies above unconditioned spaces.

d. Board or block insulation at masonry cavity walls.

2. Acoustical insulation

a. Semi-rigid insulation at interior framed partitions.

b. Batt and blanket insulation at interior framed partitions and ceilings.

c. Board insulation at interior concrete and masonry partitions.

1.2 RELATED REQUIREMENTS

A. Adhesives VOC Limits: Section 01 81 13, SUSTAINABLE CONSTRUCTION

REQUIREMENTS.

B. Insulation for Cavity Face of Masonry: Section 04 20 00, UNIT MASONRY.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. ASTM International (ASTM):

1. C516-08(2013)e1 - Vermiculite Loose Fill Thermal Insulation.

2. C549-06(2012) - Perlite Loose Fill Insulation.

3. C552-15 - Cellular Glass Thermal Insulation.

4. C553-13 - Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications.

5. C578-15 - Rigid, Cellular Polystyrene Thermal Insulation.

6. C591-15 - Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal

Insulation.

7. C612-14 - Mineral Fiber Block and Board Thermal Insulation.

8. C665-12 - Mineral-Fiber Blanket Thermal Insulation for Light Frame

Construction and Manufactured Housing.

9. C728-15 - Perlite Thermal Insulation Board.

PROJECT NO: 537-321 07 21 13R - 2

CONTRACT NO: VA69D-P-1558

10. C954-15 - Steel Drill Screws for the Application of Gypsum Panel

Products or Metal Plaster Base to Steel Studs From 0.033 (0.84 mm) inch to 0.112 inch (2.84 mm) in thickness.

11. C1002-14 - Steel Self-Piercing Tapping Screws forApplication of

Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel

Studs.

12. D312/D312M-15 - Asphalt Used in Roofing.

13. E84-15a - Surface Burning Characteristics of Building Materials.

14. F1667-15 - Driven Fasteners: Nails, Spikes, and Staples.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show insulation type, thickness, and R-value for each location.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Adhesive indicating manufacturer recommendation for each application.

D. Sustainable Construction Submittals:

1. Recycled Content: Identify post-consumer and pre-consumer recycled content percentage by weight.

2. Low Pollutant-Emitting Materials:

a. Show volatile organic compound types and quantities.

1.5 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, production run number, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.6 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight facility.

B. Protect products from damage during handling and construction operations.

C. Protect foam plastic insulation from UV exposure.

1.7 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

PROJECT NO: 537-321 07 21 13R - 3

CONTRACT NO: VA69D-P-1558

PART 2 - PRODUCTS

2.1 INSULATION - GENERAL

A. Insulation Thickness:

1. Provide thickness required by R-value shown on drawings.

2. Provide thickness indicated when R-value is not shown on drawings.

B. Insulation Types:

1. Provide one insulation type for each application.

C. Sustainable Construction Requirements:

1. Insulation Recycled Content:

a. Polyisocyanurate/polyurethane rigid foam: 9 percent recovered material.

b. Polyisocyanurate/polyurethane foam-in-place: 5 percent recovered material.

c. Glass fiber reinforced: 6 percent recovered material.

d. Phenolic rigid foam: 5 percent recovered material.

e. Rock wool material: 75 percent recovered material.

2. Low Pollutant-Emitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for the following products:

a. Non-Flooring Adhesives and Sealants.

2.2 THERMAL INSULATION

A. Perimeter Insulation In Contact with Soil:

1. Polystyrene Board: ASTM C578, Type IV, V, VI, VII, or IX.

2. Cellular Glass Block: ASTM C552, Type I or IV.

B. Exterior Framing or Furring Insulation:

1. Mineral Fiber: ASTM C665, Type II, Class C, Category I where concealed by thermal barrier.

2. Mineral Fiber: ASTM C665, Type III, Class A at other locations.

C. Inside Face of Exterior Wall Insulation:

1. Mineral Fiber Board: ASTM C612, Type IB or II.

2. Perlite Board: ASTM C728.

3. Cellular Glass Block: ASTM C552, Type I.

D. Masonry Cavity Wall Insulation:

1. Mineral Fiber Board: ASTM C612, Type II, with vapor retarder facing;

maximum permeance 29 ng/Pa/s/sq. m (0.5 perms).

PROJECT NO: 537-321 07 21 13R - 4

CONTRACT NO: VA69D-P-1558

2. Polyurethane or Polyisocyanurate Board: ASTM C591, Type I, with vapor retarder facing; maximum permeance 29 ng/Pa/s/sq. m

(0.5 perms).

3. Polystyrene Board: ASTM C578, Type X.

4. Perlite Board: ASTM C728.

5. Cellular Glass Block: ASTM C552, Type I or IV.

2.3 ACOUSTICAL INSULATION

A. Semi Rigid, Batts and Blankets:

1. Widths and lengths to fit tight against framing.

2. Mineral Fiber boards: ASTM C553, Type II, flexible, or Type III, semi rigid FSK faced.

a. Density: nominal 4.5 pound.

3. Mineral Fiber Batt or Blankets: ASTM C665 FSK faced.

4. Maximum Surface Burning Characteristics: ASTM E84.

a. Flame Spread Rating: 25.

b. Smoke Developed Rating: 450.

2.4 ACCESSORIES

A. Fasteners:

1. Staples or Nails: ASTM F1667, zinc-coated, size and type to suit application.

2. Screws: ASTM C954 or ASTM C1002, size and to suit application with washer minimum 50 mm (2 inches) diameter.

3. Impaling Pins: Steel pins with head minimum 50 mm (2 inches)diameter

a. Length: As required to extend beyond insulation and retain cap washer when washer is placed on pin.

b. Adhesive: Type recommended by manufacturer to suit application.

B. Insulation Adhesive:

1. Nonflammable type recommended by insulation manufacturer to suit application.

C. Tape:

1. Pressure sensitive adhesive on one face.

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

PROJECT NO: 537-321 07 21 13R - 5

CONTRACT NO: VA69D-P-1558

C. Clean substrates. Remove contaminants capable of affecting subsequently installed product's performance.

3.2 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Install insulation with vapor barrier facing the heated side, unless indicated otherwise.

C. Install board and block insulation with joints close and flush, in regular courses, and with end joints staggered.

D. Install batt and blanket insulation with joints tight. Fill framing voids completely. Seal penetrations, terminations, facing joints, facing cuts, tears, and unlapped joints with tape.

E. Fit insulation tight against adjoining construction and penetrations, unless indicated otherwise.

3.3 THERMAL INSULATION

A. Perimeter Insulation In Contact with Soil:

1. Vertical insulation:

a. Fill joints of insulation with same material used for bonding.

b. Bond polystyrene board to surfaces with adhesive.

c. Bond cellular glass insulation to surfaces with hot asphalt or adhesive cement.

2. Horizontal insulation under concrete floor slab:

a. Lay insulation boards and blocks horizontally on level, compacted and drained fill.

b. Extend insulation from foundation walls towards center of building minimum 600 mm (24 inches).

B. Exterior Framing or Furring Insulation:

1. General:

a. Open voids are not acceptable.

b. Pack insulation around door frames and windows, in building expansion joints, door soffits, and other voids.

c. Pack behind outlets, around pipes, ducts, and services encased in walls.

d. Hold insulation in place with pressure sensitive tape.

PROJECT NO: 537-321 07 21 13R - 6

CONTRACT NO: VA69D-P-1558

e. Lap facing flanges together over framing for continuous surface.

Seal penetrations through insulation and facings.

2. Metal Studs:

a. Fasten insulation between metal studs, framing, and furring with pressure sensitive tape continuous along flanged edges.

3. Roof Rafters and Floor Joists:

a. Friction fit insulation between framing to provide minimum 50 mm

(2 inch) air space between insulation and roof sheathing and subfloor.

4. Ceilings and Soffits:

a. Metal Framing:

1) Fasten insulation between metal framing with pressure sensitive tape continuous along flanged edges.

2) At metal framing and ceilings suspension systems, install insulation above suspended ceilings and metal framing at right angles to main runners and framing.

3) Tape insulation tightly together without gaps. Cover metal framing members with insulation.

b. Ceiling Transitions:

1) In areas where suspended ceilings transition to structural ceiling, install blanket or batt insulation.

2) Extend insulation from suspended ceiling to underside of structure above.

3) Secure blanket and batt with continuous cleats to structure above.

C. Inside Face of Exterior Wall Insulation:

1. Location: On interior face of solid masonry and concrete walls, beams, beam soffits, underside of floors, and to face of studs to support interior wall finish where indicated.

2. Bond insulation to solid vertical surfaces with adhesive. Fill joints with adhesive cement.

3. Fasten board insulation to face of studs with screws, nails or staples. Space fastenings maximum 300 mm (12 inches) on center.

Stagger fasteners at board joints. Install fasteners at each corner.

D. Floor Assemblies Above Unconditioned Spaces:

1. Use impaling pins for attach insulation to underside of horizontal surfaces. Space fastenings as required to hold insulation in place and prevent sagging.

PROJECT NO: 537-321 07 21 13R - 7

CONTRACT NO: VA69D-P-1558

a. Bond insulation with adhesive when separate vapor retarder is used.

E. Masonry Cavity Wall Insulation:

1. Install insulation on exterior faces of concrete and masonry inner wythes of cavity walls.

2. Bond polystyrene board to surfaces with adhesive.

3. Bond mineral polyurethane or polyisocyanurate board, and perlite board to surfaces with adhesive.

4. Bond cellular glass insulation to surfaces with hot asphalt or adhesive cement.

5. Fill insulation joints with same material used for bonding.

F. Masonry Fill Insulation:

1. Pour fill insulation in masonry unit hollow cores from tops of walls, or from sill where windows or other openings occur.

2. Pour in lifts of maximum 6 m (20 feet).

3.4 ACOUSTICAL INSULATION

A. General:

1. Install insulation without voids.

2. Pack insulation around door frames and windows, in building expansion joints, door soffits, and other voids.

3. Pack behind outlets, around pipes, ducts, and services encased in walls.

4. Hold insulation in place with pressure sensitive tape.

5. Lap facer flanges together over framing for continuous surface. Seal all penetrations through the insulation and facers.

6. Do not compress insulation below required thickness except where embedded items prevent required thickness.

B. Semi Rigid, Batts and Blankets:

1. Semi Rigid Batts and Blankets:

a. When insulation is not full thickness of cavity, adhere insulation to one side of cavity, maintaining continuity of insulation and covering penetrations or embedments.

b. Wood Framing:

1) Fasten blanket insulation between wood framing and joists with nails or staples through flanged edges of insulation.

2) Space fastenings maximum 150 mm (6 inches) on center.

c. Metal Framing:

PROJECT NO: 537-321 07 21 13R - 8

CONTRACT NO: VA69D-P-1558

1) Fasten insulation between metal framing with pressure sensitive tape continuous along flanged edges.

2) At metal framing or ceilings suspension systems, install blanket insulation above suspended ceilings or metal framing at right angles to the main runners or framing.

3) Tape insulation tightly together so no gaps occur and metal framing members are covered by insulation.

3.5 CLEANING

A. Remove excess adhesive before adhesive sets.

3.6 PROTECTION

A. Protect insulation from construction operations.

B. Repair damage.

- - E N D - -