A variety of products are available to lock metal dampers. These are all heavy gauge plated steel quadrants with wing nuts. Frame marked to indicate exact position of damper. Options such as Shaft Loc, Model KS 145 and various KS models.
DUCT WRAP is specifically designed as a thermal insulation blanket manufactured from highly resistant, organic glass fibre bonded with a resin. It is faced with an aluminium foil/skrim. DUCT WRAP is available in standard thickness of 25 mm, 40 mm and 50 mm. Rolls of 10 m lengths.