07621

07621 - SECTION 07621 FLASHING AND COUNTERFLASHING /...

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Project Number 1 Section 07621 Heritage May 2003 Flashing And Counterflashing / Galv. Steel SECTION 07621 FLASHING AND COUNTERFLASHING / Galvanized Steel PART 1 GENERAL 1.1 SUMMARY A. Includes But Not Limited To 1. Furnish and install flashing, counterflashing, and hold-down clips as described in Contract Documents and not specified to be of other material. 1.2 REFERENCES A. American Society For Testing And Materials 1. ASTM A 361-94, 'Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process for Roofing and Siding' PART 2 PRODUCTS 2.1 MATERIALS A. Sheet Metal 1. Galvanized iron or steel meeting requirements of ASTM A 361, G 90. a. 22 ga for hold-down clips and refrigerant line covers. b. 24 ga for all other. 2. Finish - a. Metal exposed to view shall have face coating of polyvinyledene Fluoride (PVF 2 ) Resin-base finish (Kynar 500 or Hylar 5000) containing 70 percent minimum PVF 2 in resin portion of formula. Thermo-cured two coat system consisting of corrosion
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07621 - SECTION 07621 FLASHING AND COUNTERFLASHING /...

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