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SECTION 07 20 00 - INSULATION
PART 1 - GENERAL
1.01
A.
1.02
A.
RELATED DOCUMENTS
Drawings and general provisions of the Contract, including General
and Supplementary Conditions and Division 1 Specification Sections,
apply to this Section.
SECTION SUMMARY
Section Includes:
1.
2.
3.
4.
5.
1.03
A.
RELATED SECTIONS
Related Sections include:
1.
2.
3.
4.
1.04
Foundation wall insulation (below grade).
Blanket type thermal insulation.
Blanket type sound insulation.
Tapered Rigid Roof Insulation.
Non-tapered Rigid Roof Insulation.
Section 07 52 00 – Modified bituminous sheet roofing;
installation of roof insulation.
Section 07 84 00 - Firestopping; Insulation.
Section 09 29 00 - Gypsum Board; Metal Studs.
Section 13 34 56 – Planetarium Dome; sound insulation in outer
dome.
SUBMITTALS
A.
Product Data: Submit manufacturer's product specifications, standard
details, certified product test results, installation instructions,
and general recommendations, as applicable to materials and finishes
for each component and for total operating system.
B.
LEED Documentation: Provide certification documentation that
insulation materials and adhesives meet LEED requirements as set
forth in Section 01 81 13.
1.05
A.
QUALITY ASSURANCE
Thermal Conductivity: Thicknesses indicated are for thermal
conductivity (k-value at 75 degrees F) specified for each material.
1.
2.
3.
B.
Walls: Insulation, Minimum R-11; total wall assembly, R-13.
Flat Roof: Minimum R-20 (minimum average of R-20 where roof
insulation slopes).
Sloping Roof: Minimum R-30.
Fire Rating for Insulation:
ASTM E84.
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1.
Blanket Type Insulation: Maximum flame spread and smoke
developed values of 25 and 50 respectively.
2.
Extruded polystyrene insulation. Maximum flame spread and
smoke developed values of 5 and 165 respectively.
Rigid Polyisocyanurate Insulation: Maximum flame of 25.
3.
C.
Aged R-value shall represent thermal resistance (R-value) of
5-year-aged insulation.
D.
Single Source Responsibility: Obtain products from a single
manufacturer or source for a complete installation of product
specified.
1.06
A.
DELIVERY STORAGE AND HANDLING
Protect insulations from physical damage and from becoming wet,
soiled, or covered with ice or snow. Comply with manufacturer's
recommendations for handling, storage and protection during
installation.
PART 2 - PRODUCTS
2.01
A.
FOUNDATION WALL INSULATION
Expanded polystyrene foam insulation.
1.
2.
3.
4.
5.
6.
B.
A.
Thickness: 2 inches(50mm).
R-value: R-10 minimum.
Size: 24 inches x 96 inches(50 x 2438mm).
Edges: Square.
Minimum 30% recycled content.
Expanding agent: Pentane gas.
Manufacturers:
1.
2.
3.
2.02
Below grade application.
Polar Guard Rigid EPS, (800) 237-3763.
Perform Guard EPS (716) 874-6474.
Amoco Foam Products. (800) 241-4402.
BLANKET TYPE THERMAL INSULATION
Kraft-faced, flexible, glass fiber blankets/batts, with minimum 30%
recycled content and formaldehyde free.
1.
2.
3.
ASTM C665-Type II, Class C, Category 1, non-exposed
applications only.
Surface Burning Characteristics: in accordance with ASTM E84.
a.
Flame spread: non-rated.
b.
Smoke Developed: non-rated.
Thickness for wall: (R values according to ASTM C518).
a.
3-5/8 inch metal studs: 3.5 inches(89mm) thick; R-11.0.
b.
Width: 16 inches for metal studs 16 inches on center,
unless otherwise noted on drawings.
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B.
Manufacturers:
1.
2.
3.
2.03
A.
BLANKET TYPE SOUND INSULATION
Unfaced, flexible, sound attenuation glass fiber blankets/batts.
1.
2.
3.
4.
5.
6.
B.
A.
Johns Manville (800) 654-3103
Owens-Corning Fiberglass (419) 248-8000.
Certainteed Corp. (215) 341-7000.
ROOF INSULATION MATERIALS
General: Minimum coverage of insulation on roofs with roof drains
shall be 1/4 inch(6mm) above roof drain top rim.
1.
2.
B.
ASTM C665, Type I.
Perm. rating; maximum 1.00 when tested in accordance with ASTM
E96.
Surface Burning Characteristics: in accordance with ASTM E84.
a.
Flame Spread: 10.
b.
Smoke Developed: 10.
Thickness: 3.5 inches(89mm), 6 inches (152mm) in outer dome
of planetarium.
Width: 16 inches(406mm)for metal studs 16 inches(406mm)on
center, unless otherwise noted on drawings.
Minimum 30% recycled content and formaldehyde free.
Manufacturers
1.
2.
3.
2.04
Johns Manville Grid-Shield Rx, (800) 654-3103.
Owens-Corning Fiberglass, "Miraflex" (419) 248-8000.
Certainteed Corp. (215) 341-7000.
Fire Ratings: Comply with fire-resistance and flammability
ratings indicated.
Compatibility: All insulation shall be compatible with
roofing membrane system, and only roof insulation approved, in
writing, by the roofing membrane manufacturer shall be used.
Tapered Polyisocyanurate Roof Insulation: Rigid, cellular thermal
insulation with polyisocyanurate closed-cell foam core and
manufacturer's standard facing laminated to both sides; complying
with FS HH-I-1972/2.
1.
2.
3.
4.
Thermal Value: 5.8 R-value per inch(25.4mm). Refer to
Article 1.04 System Description for Roof R-values.
Thickness: Provide tapered polyisocyanurate insulation,
thickness as required to provide positive water drainage to
roof drains. Minimum 1/2 inch(12mm) thick at low point
(coordinated with average R-value requirements).
a.
Tapered 1/8 inch(3mm) to the foot(.304m), unless
otherwise noted on drawings.
Size of insulation as recommended by insulation manufacturer.
Factory Mutual (F.M.) Class 1 rating for installation over
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5.
6.
7.
C.
Non-Tapered Polyisocyanurate Roof Insulation: Rigid, cellular
thermal insulation with polyisocyanurate closed-cell foam core and
manufacturer's standard facing laminated to both sides; complying
with FS HH-I-1972/2.
1.
2.
3.
4.
5.
6.
7.
8.
D.
steel decks.
Expanding Agent: Hudrocarbons, producting zero ODP (ozone
depleting potential).
Surface skins as recommended by roof insulation manufacturer.
Manufacturers:
a.
Atlas Roofing Corp., "Acfoam" 1-800-933-1476.
b.
Approved equal.
Thermal Value: 5.8 R-value per inch(25.4mm). Refer to
Article 1.04 System Description for Roof R-values.
Thickness: Refer to Drawings.
Size of insulation as recommended by insulation manufacturer.
Factory Mutual (F.M.) Class 1 rating for installation over
steel decks.
Expanding Agent: Hudrocarbons, producting zero ODP (ozone
depleting potential).
Surface skins as recommended by roof insulation manufacturer.
Manufacturers:
a.
Atlas Roofing Corp., "Acfoam" 1-800-933-1476.
b.
Approved Equal.
Note: Contractor may opt to provide nailable insulation, but
sheathing on nailable insulation must be 3’4”thick.
Materials for Modified Bitumen Sheet Roofing System.
1.
Roofing Substrate Board (Below modified bitumen sheet roofing)
a.
b.
c.
d.
e.
f.
2.
Manufacturer: Masonite, 1-312-750-0900, "Structodek FS".
Material: Fiberglass base sheet 28 lb.(12.7kg) factory
laminated to wood fiberboard substrate with asphalt-type
adhesive.
Nominal Thickness: 1/2 inch(13mm).
Size: 3 ft. x 8.5 ft(0.9 x 2.5m).
Edges: Base sheet shall be offset from the panel 3/4
inch(19mm) on two adjacent edges. Other edges shall be
cut square.
UL classified file R 3462.
Cants (For Modified Bitumen Sheet Roofing)
a.
b.
c.
d.
Perlite or Fiberglass cant strips, suitable for torch
application of roofing membrane.
Wood fiber cant strips not permitted.
Size: Minimum 3-1/2 inches x 3-1/2 inches x 4 ft.(89 x
89 x 1219mm) long.
ASTM C 728.
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3.
Tapered Edge Strips (For Modified Bitumen Sheet Roofing)
a.
b.
c.
d.
e.
Perlite or Fiberglass tapered edge strips, suitable for
torch application of roofing membrane.
Wood fiber cant strips not permitted.
Thickness: 1-5/8 inch(41mm)tapered to 1/8 inch(3mm) (on
18 inch(457mm) dimensions).
Size: 18 inches x 48 inches(457 x1219mm).
ASTM C 728.
PART 3 - EXECUTION
3.01
A.
3.02
INSPECTION AND PREPARATION
Installer must examine substrates and conditions under which
insulation work is to be performed, and must notify Contractor in
writing of unsatisfactory conditions. Do not proceed with
insulation work until unsatisfactory conditions have been corrected
in manner acceptable to Installer.
INSTALLATION, GENERAL
A.
Comply with manufacturer's instructions for particular conditions
of installation in each case.
B.
Extend insulation full thickness as shown over entire area to be
insulated. Cut and fit tightly around obstructions, and fill voids
with insulation. Remove projections which interfere with
placement.
C.
Apply a single layer of insulation of required thickness, unless
otherwise shown or required to make up total thickness.
3.03
FOUNDATION WALL INSULATION
A.
On vertical surfaces, set units in adhesive applied in accordance
with manufacturer's instructions. Use type of adhesive recommended
by manufacturer of insulation with low VOC content.
B.
Install 2 feet(610mm) wide horizontally and approximately 2
feet(610mm) high vertically.
C.
Protect top surface of horizontal insulation (from damage during
concrete work) by application of protection board.
3.04
BLANKET TYPE THERMAL INSULATION
A.
General:
Staple flange blankets to metal framing.
B.
Set vapor retarder faced units with vapor retarder to warm side
(heater side in winter) of construction, except as otherwise
indicated. Do not obstruct ventilation spaces.
C.
Tape joints and ruptures in vapor retarder, and seal each
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continuous areas of insulation to surrounding construction to
ensure air-tight installation.
3.05
A.
3.06
ROOF INSULATION
Refer to Section 07 52 00.
WASTE MANAGEMENT
A.
Plan and coordinate the insulation work to minimize the generation
of offcut and waste. Reuse insulation scraps to the maximum extent
feasible.
B.
Separate and recycle waste materials in accordance with the Waste
Management Plan and to the maximum extent economically feasible.
C.
Reuse insulation scraps in attic areas or other locations where out
of view.
D.
Preference to be given to suppliers who take back waste for reuse
or recycling.
END OF SECTION
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