Normally a 2-layer sheet membrane, base layer is either a torched or peel stick layer, the capping sheet is usually finished with granules.
The capping sheet is torched into the base layer, effectively melting the bitumen together, giving you double layer protection, with the mineral chip being the UV protection.
- Ardex Shelterbit sheet membranes
- Nuralite- Nuraply 3PM,3P
- Nuplex – Soprema Soprasun
- Equus-De Boer Duo
A hard wearing membrane typically used for roofs, decks, gutters and in ground retaining walls.