Spring-loaded Draught Stopper Damper Size:150mm It is not recommended for

It is not recommended for external use and should not be left exposed to UV for longer than 4 weeks

helping reduce air leakage for a tighter building envelope and enhanced energy savings

Product Data Sheet (PDS) is available from HERE

Weathertightness design and detailing of these installations is the responsibility of the designer and is outside the scope of this Appraisal

The Downlight Cover (DOWMIT02) is a non-ventilated downlight product which focuses on fixing the inefficiencies of downlights & LED recessed lighting

Spring-loaded Draught Stopper Damper Size:150mm It is not recommended forA 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