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296-150C-0940  <<  296-150C-0950 >>   296-150C-0960

PDFWAC 296-150C-0950

Roof coverings/membrane/weather resistant.

(1)(a) The roof covering must be securely fastened in an approved manner to the supporting roof construction and must provide weather protection for the commercial coach and the occupants. The roof covering must be installed according to the manufacturer's instructions and approved by us.
(b) Roofing membranes must be rigid enough to prevent deflection that would permit ponding of water or separation of seams due to snow or wind or during assembly or transportation.
(2) Exterior covering materials, including metal coverings, must be moisture and weather-resistant and contain corrosion resistant fasteners to prevent wind and rain deterioration.
Electro-plated, electro-deposited zinc, and electro-galvanized staples are not considered corrosion resistant materials.
(3) All exterior openings or penetrations into the commercial coach around piping, ducts, plenums, or vents must be sealed with moisture resistant material.
[Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. WSR 96-21-146, ยง 296-150C-0950, filed 10/23/96, effective 11/25/96.]
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