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CUSTOM FABRICATED... to fit all manufacturers' skylights, power roof exhausters, intake and relief vents, smoke hatches, flues, or job fabricated items... Provides continuous counterflashing over existing roof curb while supporting and retrofitting new equipment, with watertight design... Simple to detail... Convenient to contractors... Minimum architectural supervision... Low known cost.
• INSULATION...
3# density rigid fiberglass board... built-in where
it can't be omitted... provides condensation free openings... Has sound
absorption qualities.
SPECIFICATION Furnish and install prefabricated curb adapters and extensions as manufactured by Roof Products & Systems Corporation at all roof curbs as shown on drawings. Adapters and extensions shall be of Box Section Design, 18 gauge galvanized steel with continuous welded seams and shall be insulated with 1-1/2" thick, 3# density rigid fiberglass board. ADAPTER AND EXTENSION SUBMITTAL SHEET
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