a minimum of 5” (125mm) of unobstructed mesh height must be allowed between the highest point on the chimney pot/outlet and the underside of the raincap
if water vapour is allowed to condense between building elements it can have serious implications for the strength of surrounding structural systems and reduce the effectiveness of thermal insulation
Cromar Vent 3 AIR Data Sheet
Measurements: 34mm x 13mm x 31mm x 31mm x 26mm x 34mm
4-layer glass construction with Triple glazed base and Flat glass top cover ensures optimal energy performance
Cladco ProDeck Grooved Bullnose Decking Board - 4m (All Colours) Colour::Platinum a minimum of 5” (125mm)Delivery: Current Delivery: 7 10 days Key Features: Colours: Burnt Oak, Onyx, Pewter, Platinum, Rosewood, Sandstone Surface: Grooved Length: 4m Width: 150mm Thickness: 23mm Coverage per board: 0. 36m2 Board weight: 16kg Core: Solid Core Surface: Polymer protective shell to increase resistance to weather conditions, scratching, staining and fading due to UV rays Material: 60% recycled hardwood fibres & 40% high grade recycled plastics Warranty: 20 Year