Roof Refurbishment – Norway House, London

Norway House, the Ex Norwegian Embassy building that looks out over Trafalgar Square in London, required a new waterproofing system for the penthouse roof and dormer windows. The existing asphalt surfaces had reached the end of their serviceable life.

Product brief:

Norway House, the Ex Norwegian Embassy building that looks out over Trafalgar Square in London, required a new waterproofing system for the penthouse roof and dormer windows. The existing asphalt surfaces had reached the end of their serviceable life and the client requested a cold applied waterproofing system that would extend the life of the roof and provide robust detailing to the awkward dormer windows. Proteus Waterproofing was appointed to provide a fast, reliable and high-quality solution that would minimise disruptions.

Key Requirements: High Performance Waterproofing

As the existing substrate was still suitable to accept an overlay system, Proteus Waterproofing’s Approved Contractor installed Proteus Pro-System® Plus to the rear elevations dormers before new slates were installed to the pitched roof. Proteus Pro-System® Plus was then used to lap onto the slate details, fulling encapsulating the dormer tops and cheeks. Proteus Pro-System® Plus is UK made and was chosen for its low odour, cold applied, seamless application. Proteus Waterproofing worked closely with the Approved Contractor to ensure the project was successfully delivered to a very high standard, providing the client with a long-lasting solution

Key Requirements: Health & Safety

When working on roofs above occupied buildings and in busy town centres, safety and minimal disruption is always of utmost importance. Proteus Waterproofing’s liquid applied systems are cold installed and therefore remove the risk of fire to the building. The low odour, low noise application allowed the Approved Contractor to complete the works safely, meeting all health and safety criteria with no disruption to the restaurant buildings in the near vicinity.

Key Requirements: Long Term Performance

Proteus Pro-System® Plus offers a low maintenance, durable waterproofing and protection solution for a range of new build and refurbishment applications. It is cold applied, eliminating the risk of fire and once cured, provides a completely seamless waterproof protection and has excellent UV stability, making it suitable to use in all climates. Proteus Pro-System® Plus forms a seamless, fully adhered membrane and is BBA Certified for 30 years.


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