100 x Natural Releasable Cable Ties Size: 300 x 4.8mm Cavity Sleeves Air bricks to be used

Air bricks to be used in conjunction with cavity sleeves for ventilation through external walls to a building interior

Vent tile performance: Free airflow 10

004W/m2k should be calculated to the proposed U value figures for a ceiling (U value for a ceiling not to exceed 0

Engineered to deliver the airflow your roof needs to prevent condensation

although the number required differs from country to country

100 x Natural Releasable Cable Ties Size: 300 x 4.8mm Cavity Sleeves Air bricks to be usedProduct Description Natural Releasable Cable Ties 300mm x 4. 8mm Pack of 100 Ideal for access to wiring, ties are designed to be released and re used. Built in small & easy to use quick release tab. Can also be used around the home, office, garage, workshop, and garden. Length: 300mm. Width: 4. 8mm. Manufactured from tough nylon 66 and is approved to UL 94V 2. Working temperature range: 40C to 85C. UL Approved flammability rating: UL94. Others colours