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Weathertightness design and detailing of these installations is the responsibility of the designer and is outside the scope of this Appraisal
Product Data Sheet (PDS) is available from HERE
With all pressure sensitive tapes
• Duration time adjustable from 10 seconds to 4 minutes
It is not recommended for external use and should not be left exposed to UV for longer than 4 weeks
Spring-loaded Draught Stopper Damper Size:150mm Weathertightness design and detailing ofA draught stopper damper is used with inline fans and flexible ducting to stop air flowing in the reverse direction. It has butterfly wings and a very light spring to minimize air leakage within the building envelope. Made of metal, this draught stopper damper comes in 3 sizes to suit: 100mm, 125mm & 150mm ducting. Sizing: 100mm diameter 4 inch 125mm diameter 5 inch 150mm diameter 6 inch
