Description :

Void forming geo-composite . SIGMA GPS Geo-Vent is a cuspated HDPE core with a geotextile filter/separator bonded to a single side, in either 25mm or 40mm depth. The intended use of the SIGMA GPS Geo-Vent is to provide a means of ventilation when used in conjunction with an approved Gas Protection Barrier, in accordance with the recommendation(s) contained within NHBC Guidance and BS8485:2015.

Features and Benefits :

Optimised for maximum strength and performance, providing high levels of air/gas flow. Complies with the latest codes of practice as published by BRE, CIRIA and NHBC. SIGMA GPS Geo-Vent is independently tested and verified by UKAS accredited bodies.