Bituminous membrane systems

Our long-established and fully integrated roof systems incorporate SBS modified elastomeric bitumen membranes and highly efficient PIR insulation meet current UK Building Regulations Part B for External Fire Protection within our system application and feature torch-free and torch-safe installation techniques for detailing on, or adjacent to combustible materials.

Specify when you need a robust waterproofing solution with long-term durability and life-expectancy.

Two layer systems

Two layer bitumen waterproofing build up

Single layer systems

Single layer bitumen membrane system


Safe2Torch is an NFRC campaign developed to significantly reduce the risk of roof fires when using gas torches, either to dry out roofs or when used to install torch-on membranes.
Torch-Safe Detailing System 
Download NFRC Safe2Torch Guidance


Worthy of note...

All our reinforced bituminous membrane systems utilise two layers of membrane fully sealed at the roof detailing to eliminate air leakage and maintain thermal integrity of the building.

Our Bauder Total Roof System and Bauderflex hold BBA Certification.BBA Approved single ply roof systems

Bauder Total Roof System BBA
Bauder Total Green Roof System BBA
Bauderflex BBA
Bauderflex Green Roof System BBA

Your brochure


All the technical data you need about our selection of reinforced bitumen membrane systems. PDF Download