Terrace Refurbishment, Altolusso, Cardiff

Altolusso, a residential building in Cardiff required a new waterproof solution to the terrace areas as the original waterproofing had begun to fail.

Product brief:

Proteus Waterproofing’s Cold Melt®, a no odour, cold applied inverted roof system was specified incorporating Proteus Pro-Therm Insulation to improve the thermal performance of the building. Proteus Waterproofing Technical Department attended site meetings and supplied details that could be translated into a workable scheme for the client.

High Performance Waterproofing:

The existing waterproofing and insulation were first removed, and Proteus Pro-Therm Thermal Protection Board was installed to meet building regulations. Cold Melt® was then applied, as this is a cold applied liquid, it was ideal for awkward detailing. Cold Melt® is also root resistant due to being 99.8% solids. This also allows it to cope with ponding water. To finish the system Cold Melt® UV Top was applied to protect the waterproofing, as the decking was installed at a later date.

Health and Safety:

When working on occupied buildings safety is of the utmost importance, Cold Melt® is a cold applied, low odour replacement for mastic asphalt and hot melt. It is fast to install which meant the disruptions to residents were kept to a minimum. Proteus Waterproofing worked closely with the Proteus Approved Contractor to ensure the project was completed to a high standard

Seamless Waterproofing:

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, can be designed as a paved, ballasted, green or brown roof. The membrane does not become brittle with age, is BBA Certified to last the life of the structure and is made in the UK.


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