This new build block of residential flats in London, required a waterproofing membrane to the main roof and terraces.

Product brief:

Following a discussion with the client, Proteus Waterproofing specified a Cut to Falls Scheme, including Proteus Pro-Felt® Ultima Plus Fireguard and Cold Melt®, a low odour cold applied membrane.

Key Requirements: Main Roof

To conform to Building Regulations Part B Fire, the project at Kings Park needed to have non-combustible insulation installed over either side of the party walls. Proteus Waterproofing included the non-combustible insulation as part of the primary CTF insulation scheme design complete with Proteus Pro-Felt® Ultima Plus Fireguard. Proteus Waterproofing worked closely with the Proteus Approved Contractor to ensure the project was completed to a high standard.

Key Requirements: Terraces

The terrace areas were installed with a cut to falls scheme overlaid with a Proteus Pro-Therm Thermal Protection Board, complete with a 6mm fully external grade fibre cement facing to accept foot traffic and the usual loads traditionally associated with flat roofing systems. As the terraces were located within a confined space and to prevent the use of hot works on site our Cold Melt®, a low odour cold applied inverted roof waterproofing system was used to ensure all health and safety requirements for the project were met.

Key Requirements: Long Term Performance

Incorporating recycled rubber crumb and organically grown products, Cold Melt® creates an elastomeric, seamless, cold applied waterproofing membrane. The Cold Melt® system can include inverted roof insulation and, with or without insulation, can be designed as a paved, ballasted, green or brown roof. The membrane does not become brittle with age, is BBA Certified and is manufactured in the UK.


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