including facings] shall have a flame spread not in excess of [_____] and a
smoke developed rating not in excess of [_____] when tested in accordance
with ASTM E 84. Contractor shall comply with EPA requirements in
accordance with Section 01670 RECYCLED / RECOVERED MATERIALS.
2.7.1
Rigid Board Insulation
2.7.1.1
Polyisocyanurate
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NOTE: Detailed information concerning EPA
requirements on recycled/recovered materials is
available at the following URL's:
http://www.epa.gov/cpg/products/ and then click on
the appropriate item from the list (building.htm for
building insulation, for example).
http://www.epa.gov/cpg/products.htm (similar
results).
http://www.epa.gov/cpg/pdf/back.pdf which opens up
EPA530-R-98-003 (dated July, 1998, titled BACKGROUND
DOCUMENT FOR PROPOSED CPG III AND DRAFT RMAN III).
Using data from listed locations, fill in blank
space for required percentage of recycled or
recovered material. This is in accordance with the
requirements of 40 CFR 247 and Section 1670 which
should be included in all projects.
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Polyisocyanurate insulation shall conform to ASTM C 1289, Type I, Class 2
(having a minimum recovered material content of [_____] percent by weight
of core material in the polyisocyanurate portion). For impermeable faced
polyisocyanurate (Ex: aluminum foil) the maximum design R-value per 25 mm
1 inch of insulation used shall be 1.27.7.2.
2.7.1.2
Polystyrene
Insulation shall conform to ASTM C 578, Type IV
2.7.1.3
Blanket Insulation
Blanket insulation shall conform to [ASTM C 991] [ASTM C 553].
2.7.1.4
Mineral Fiber
Insulation shall conform to ASTM C 612.
2.7.2
Insulation Retainers
Retainers shall be type, size and design necessary to adequately hold the
insulation and to provide a neat appearance. Metallic retaining members
shall be nonferrous or have a nonferrous coating. Nonmetallic retaining
members, including adhesives used in conjunction with mechanical retainers
or at insulation seams, shall have a fire resistance classification not
less than that permitted for the insulation.
2.8
SEALANT
Sealant shall be an elastomeric type containing no oil or asphalt.
Exposed
SECTION 13121
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