10/1/2013 CB-100
®
CSI Guides Specifications 076100
B. CONTRACTOR’S WARRANTY
1. Warrant panels, flashings, sealants, fasteners and accessories against defective materials
and/or workmanship, to remain watertight and weatherproof with normal usage for two (2)
years following Project Substantial Completion date.
PART 2 – PRODUCTS
2.01 MANUFACTURER
A. Custom-Bilt Metals, 1333 Corporate Dr., Suite 103, Irving, TX 75038
info@custombiltmetals.com
B. PANEL DESIGNATION: CB-100
®.
C. ALTERNATES: Approval of substitute systems is required prior to bid. The Architect will be the
sole judge of what qualifies as an “equal” system. To be approved as an equal system, submit or
respond to all items in “Quality Assurance”, “Performance Requirements” and “Submittal“
sections of this specification. All submittals must be received in the Architect’s office a minimum
of ten (10) working days prior to bid.
2.02 MATERIALS
A. PANELS
1. Base metal: (Choose one)
a. Prefinished Zincalume/ Galvalume sheet made up of 55% aluminum, 1.6% silicon, and
the balance zinc, or G-90 galvanized steel in 24 gauge, or 22gauge (non-standard) as
described in ASTM specification A792.
b. Bare Zincalume/Galvalume conforming to ASTM A
c. Copper conforming to ASTM B370, (choose one) 16 oz. (standard), 20 oz. (non-
standard).
d. Prefinished Aluminum made up of Alloy 3105/5005, Hardness (H14) in thickness .032
ASTM B 209. (non-standard)
2. Exterior Finish:
a. Full 70% PVDF (Polyvinylidene fluoride) or Kynar 500® or Hylar® 5000 or Fluropon®
consisting of a baked-on 0.2 mil corrosion resistant primer and a baked-on 0.8 mil.
b. Finish to have a minimum solar reflectance of 25%.
c. Must meet the ENERGY STAR rating criteria for cool roofs.
3. Interior Finish:
a. Primer Coat Material: Corrosion-resistant primer; primer coat dry film thickness: 0.15
mils; finish coat material: polyester paint, finish coat dry film thickness: 0.35 mils. Off-
white backer.
b. Total Interior Dry Film Thickness: 0.50 mils.
4. Color: (choose one)
a. Manufacturer’s standard selection of not less than 21 colors. All must meet Energy Star
rating of Cool Roofs. Custom and premium colors available upon request at additional
costs.
5. Manufacturer’s-Applied Seam Sealant:
a. Hot applied Butyl sealant or cold applied non-skinning butyl.
6. Configuration:
a. Standing Seam: Roof panels shall consist of mechanical seam-locking standing seams 1”
high spaced 13”or 17” on center (choose one). (Other widths available as non-standard.
Please contact Custom-Bilt Metals for details)
b. Provide panels in full length from ridge to eave when practical.
Note: A waviness commonly referred to as “oil canning” appears on flat metal surfaces. This is
caused by steel mill tolerances and is a characteristic, not a defect, of panels manufactured from a
light gauge metal “Oil canning” will not be accepted as cause for panel rejection.