Pitchmastic PmB is a Market Leader in Spray Applied Waterproofing for Large Scale Infrastructure Projects

Pitchmastic PmB systems are designed to form a flexible, chemically resistant seamless membrane tough enough to outlast the design of many structures.

Pitchmastic PmB's systems provide exceptional bond strength to all commonly used substrates, has excellent crack bridging capability, a life expectancy in excess of 30 years and holds British Board of Agrément approval.

Tested and approved throughout the world to the highest standards, the PmB system now adds the United Kingdom's Network Rail and London Underground (LUL) approvals to its ever growing list of accreditations.

Suitable for use on bridges, culverts and tunnels, Pitchmastic PmB systems provide rapidly curing, seamless, spray applied membranes with excellent crack-bridging properties and an long global track record.

Pitchmastic PmB is a USL Group brand, marketed by Tremco Construction Products Group across Asia Pacific.



Learn more about Pitchmastic PmB structural waterproofing solutions

Discover the Pitchmastic PmB spray-applied, seamless bridge deck waterproofing solution. Tested and approved throughout the world to the highest standards, the PmB system has an excellent global track record, having been installed across numerous large bridges.


Download the PmB system product brochure ››


Explore Pitchmastic PmB’s Key Product Range


Selecting the right Bridge Deck Waterproofing solutions for your project, ensuring for overall success.

On-site conditions always vary, presenting challenges on the job. Tremco's technical field sales representatives can work with installers and applicators to provide an appropriate solution.

Our technical field sales representatives are glad to provide project references for preview.

Have Questions? Contact your Local Tremco Representative for further information