Division 7 Ebook Page 442 FOAMULAR DURAPINK Insulation, 07 22 16

FOAMULAR Insulation, PRMA, Horizontal Waterproofing PART 3 - EXECUTION EXAMINATION A. Examine the areas and conditions under which work of this section will be installed. Verify that adjacent materials are dry and ready to receive insulation. Verify mechanical and electrical services within walls have been tested and inspected. 1. [Minimum slope shall be sufficient to permit positive drainage. The manufacturer/supplier shall be consulted for specific slope limitations.] B. Provide written report listing conditions detrimental to performance of work in this section. Do not proceed with installation until unsatisfactory conditions have been corrected. ROOF DECK CRITERIA A. The deck shall be constructed to drain completely free of water within 48 hours following rainfall. B. [Parapets, gravelstops] must be constructed to extend above the top surface of the [ballast, pavers]. C. The dead load carrying capability of the deck must be sufficient to support code mandated live loads and dead loads incident on the roof including the entire roof covering, insulation and ballast system. SUBSTRATE/ROOF DECK PREPARATION A. Inspect substrates and conditions under which the work of this section will be performed, and verify that installation may properly commence. Do not proceed with the work until unsatisfactory conditions have been resolved per waterproofing membrane manufacturer's recommendations. B. Surfaces on which the waterproofing membrane system is to be applied shall be compatible, clean, and smooth. Surfaces should be free of fins, sharp edges, loose and foreign materials, oil and grease, blisters, or other surface irregularities. C. Where required, the substrate shall be primed and allowed to dry. D. [Any deteriorated decking shall be repaired or replaced] A thorough inspection should be required in the case of total tear off. E. [Concrete Decking:] 1. Patch as required honeycomb, or aggregate pockets. Remove fins, ridges, and projecting rough areas. 2. Verify that form release agents and methods and materials used to cure concrete surfaces are compatible with waterproofing products and waterproofing membrane manufacturer's recommendations. 3. Verify that surfaces are smooth, sound, clean, and dry, and that components which will penetrate waterproofing are complete and rigidly installed. F. [Install wood nailers as shown on construction drawings for edge, curb and other roof accessories.] See Factory Mutual System Loss Prevention Data 1 49, which provides recommendations for edge detail design and securement. ROOF BOARD INSULATION 07 22 16 - 6

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