450mm Secured Square Cover & Frame - 15KN450mm secured square round cover and frame is crafted from premium polypropylene, ensuring superior resistance to corrosion, chemical exposure, and environmental wear. Engineered for dependable access to inspection chambers, it combines lightweight construction with robust durability, making it well suited for pedestrian zones and light duty purposes. PRODUCT CODE RCF450 Material Polypropylene Nominal Diameter 450mm Overall Size 570mm x 570mm Clear

Minimum thermal resistance path greater than 0

Code 50394

0 Carton Qty (packs) 50 Cut Type Medium Disc Ø (inch) 6 1⁄2  Disc Ø (mm) 165 Kerf (mm) 2

5m x 50m is used it does not require any soffit

Features and benefits:

Size: 25kg Sales Unit: Bag Brand: British Gypsum Manufacturer's Reference: 06110/3 Status: Non-Returnable

Suitable for upto 102

Water Vapour Resistance: 1569MNs/g

Doesn’t need to be applied in conjunction with a vapour control layer

including timber

combined with excellent tensile/tear strength and high wind uplift resistance make Vent 3 Classic the professional’s choice as the ultimate breather membrane

pre-insulated thermal roof decking for flat roofs