Roof Refurbishment: County Hall, Essex

County Hall, a local government building based in Essex, required a new Proteus Waterproofing High Performance Built Up Roof System, as the existing feltwas showing signs of aging and blisters had begun to form.

Product brief:

As the substrate was suitable to accept a new overlay system, Proteus Pro-Felt® Ultima Plus Fireguard BUR was selected, meeting the required thermal performance and providing a lifespan for the roof of 25 years.

Key Requirements: High Performance Waterproofing

Due to the building being listed and the complex nature of the roofs Proteus Pro-Felt® Ultima Plus Fireguard mineral cap sheet was chosen, as it has the highest European Fire Rating, BroofT4. Proteus Waterproofing worked closely with the Proteus Approved Contractor to deliver the project to a high standard.

Key Requirements: Quality Control

When working on occupied buildings, safety is always of utmost importance. Proteus Waterproofing’s Approved Contractor was equipped to meet all health and safety criteria to work on occupied buildings and minimise risk to operatives, building occupants and members of the public.

Key Requirements: Long Term Performance

PROTEUS PRO-FELT® ULTIMA PLUS FIREGUARD is a High-Performance multi-layer bituminous membrane system, tested to perform in extreme temperatures and weather conditions. It has class leading modified bitumen content which allows the flexible membrane to move with the building and ensure long term durability and performance which is certified by the BBA to be in excess of 30 years, and the highest European Fire Rating – BroofT4. All Proteus Waterproofing specifications promote fire safe installation methods conforming to the industry lead Safe2Torch guidelines.


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