NEW: self-adhesive waterproofing membrane by Alumasc Exterior Building Products

Derbigum Olivine membranes, have a naturally occurring mineral upper layer that neutralises CO2 via an irreversible chemical reaction when it comes into contact with rainfall

The Olivine grains decrease in size with each reaction, however the grains are large enough to last 30 years before having completely reacted

Derbigum Olivine membranes are 100% recyclable

BBA approved with fully warranted systems available with a life expectancy in excess of 30 years

Suitable for flame-free and cold application to warm roofs with metal, concrete or plywood decks and inverted roofs with concrete decks

The high melt point ensures membrane stability in the hottest weather whilst the polyester/glass fibre reinforcement provides high tensile strength

Manufactured in accordance with ISO 9001:2008 and ISO 14001:2004

Membranes & Insulation

Derbigum Olivine mineral membrane

Insulation choice includes PIR, mineral wool, cork, cork/PIR composite and extruded polystyrene to suit specification and U-value parameters

A wide range of underlays are available, providing superior built-up roofing solutions

The single layer option offers a higher performance alternative to PVC single ply