Section 07 4100 Metal Roof Panels
A792-96 - Specification for steel sheet, 55% Aluminum-Zinc Alloy coated by the hot-dip process
E1592-95 - Standard Test Method for Structural Performance of Sheet Metal Roof and Siding Systems by Uniform Static Air Pressure Difference
Finish/Substrate Warranty - provide manufacturer's standard form 20 yr finish warranty
stating that the finish will not peel, check, crack, chalk, or fade more than 5 E units.
Part 2 - Products
"PBM" as provided by EnviroMetal, Inc, (www.envirometl.com) Albuquerque, New Mexico (505) 821-7900
Maximum panel length of 40'
Substitutions shall fully comply with specified requirements in appearance, assembly, and performance
Substitutions must be submitted within 7 days of bid date with complete product data
No post-bid substitution requests will be considered
Galvalume Steel, type AZ-55, grade 50 as per ASTM A792-96, Grade D
Gauge: 24 GA (0.024")
Metal Roof System
Fluorocarbon Coating: Consists of primer, applied at a nominal dry film thickness of .25 mil and a color coat, applied at a nominal dry film thickness of .75 mil, giving a 1.0 mil nominal dry film on topcoat. Paint finish should be Kynar 500 as selected from manufacturers standard color selection. The back side of the material should be .25 mil. Primer and a 0.25 polyester washcoat
OR B. Galvalume Plus