ASTM B 101.
2.1.5
Lead Sheet
Minimum weight 19.6 kilograms per square meter 4 pounds per square foot.
2.1.6
Steel Sheet, Zinc-Coated (Galvanized)
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NOTE: Factory-applied color coating on sheet
aluminum and galvanized steel may be used on
building additions where necessary to match existing
galvanized or other exposed painted metal work. This
coating may also be used on sheet aluminum and
galvanized steel surfaces of new buildings where a
long-life exterior color finish is desired.
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ASTM A 653/A 653M.
[2.1.6.1
Finish
Exposed exterior items of zinc-coated steel sheet shall have a baked-on,
factory-applied color coating of polyvinylidene fluoride or other
equivalent fluorocarbon coating applied after metal substrates have been
cleaned and pretreated. Finish coating dry-film thickness shall be 0.020
to 0.033 mm 0.8 to 1.3 mils and color shall be [_____].
]2.1.7
Zinc Sheet and Strip
ASTM B 69, Type I, a minimum of 0.61 mm 0.024 inch thick.
2.1.8
Stainless Steel
**************************************************************************
NOTE: Factory-applied color coating on sheet
aluminum and galvanized steel may be used on
building additions where necessary to match existing
galvanized or other exposed painted metal work. This
coating may also be used on sheet aluminum and
galvanized steel surfaces of new buildings where a
long-life exterior color finish is desired.
Finishes are described in SMACNA Arch Manual. See
ASTM A 480 for other than standard mill finishes.
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ASTM A 167, Type 302 or 304, 2D Finish, fully annealed, dead-soft temper.
2.1.9
Terne-Coated Steel
Minimum of 350 by 500 mm 14 by 20 inches with minimum of 18 kilogram 40
pound coating per double base box. ASTM A 308.
2.1.10
Aluminum Alloy Sheet and Plate
**************************************************************************
NOTE: Factory-applied color coating on sheet
aluminum and galvanized steel may be used on
building additions where necessary to match existing
SECTION 07600
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