City Tower, Canary Wharf

City Tower, a private apartment tower block located in Canary Wharf required a new high performance waterproofing system as the existing single ply roof had been damaged beyond repair due to a fire.

Product brief:

To provide a cost effective, long term waterproofing solution, Proteus Waterproofing specified a Hybrid Tapered Insulation Scheme with a Proteus Pro-Felt® finish, meeting the client’s specific requirements.

Key Requirements: High Performance Waterfroofing

As the existing roof was beyond repair, it needed be completely stripped. Pro-Prime® SA and Proteus Pro-Felt® Self Adhesive Underlay were used as a vapor control layer. Proteus Pro-Therm EPS and Proteus Pro-Therm PIR were used for the Hybrid Tapered Insulation Scheme and bonded using Pro-Bond Foaming Adhesive. Proteus Pro-Felt® 3mm Plain Underlay was then fully adhered to the insulation, followed by a final installation of Proteus Pro-Felt® Ultima Plus Fireguard. Proteus Waterproofing worked closely with the Proteus Approved Contractor to ensure the project was delivered to a high standard.

Key Requirements: Health & Safety

When working on residential buildings, safety is always of utmost importance. Proteus Pro-Felt® Ultima Plus Fireguard has the highest European Fire Rating, BroofT4, making it the ideal felt to use on residential properties as the risks to operatives, building occupants and members of the public are greatly reduced. All Proteus Waterproofing specifications promote fire safe installation methods conforming to the industry lead Safe2Torch guidelines.

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. It is certified by the BBA to be in excess of 30years, and had the highest European Fire Rating – BroofT4.


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