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 01670 which
should be included in all projects.
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Polyisocyanurate insulation for use above a roof deck shall conform to ASTM
C 1289, Type II, (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. Facings
shall be non-asphaltic, glass fiber reinforced.
2.7.2
Blanket Insulation
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NOTE: The specified blanket insulation is a
flexible mineral fiber insulation for use at
temperatures up to 176 degrees C (350 degrees F).
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Blanket insulation shall conform to ASTM C 991.
2.7.3
Glass Mat Gypsum Roof Board
Glass mat gypsum roof board for use above the deck or insulation for
thermal protection shall have a flame spread - 0, smoke developed - 0,
shall be water resistant and have a compressive strength of 3.4 kpa 500 psi.
Glass mat gypsum roof board shall conform to ASTM C 1177/C 1177M.
2.8
INSULATION RETAINERS
Insulation 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.
2.9
SEALANT
Sealants shall be elastomeric type containing no oil or asphalt. Exposed
sealant shall be [colored to match the applicable building color] [clear]
and shall cure to a rubberlike consistency. Sealant placed in the roof
panel standing seam ribs shall be provided in accordance with the
manufacturer's recommendations.
2.10
GASKETS AND INSULATING COMPOUNDS
Gaskets and insulating compounds shall be nonabsorptive and suitable for
insulating contact points of incompatible materials. Insulating compounds
shall be nonrunning after drying.
SECTION 07416A
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