48 STRUCTURAL ELEMENTS
doing so can cause a single product or even an entire system to fail – therefore raising liability issues.
Consider the client’s needs as well as the long-term performance requirements for the job. A specifier will often choose a system they have used before and work with the same contractors. However, the main contractor and their preferred subcontractors may then propose to use alternative products to the specifier. Specifying a complete system from a single-source supplier offers peace of mind. The products specified will be matched for their compatibility, and come with the appropriate guarantees and warranties. Where liquid waterproofing and warm roof systems are concerned, switching just one element of a specification can not only create problems onsite during installation, but may also affect U-value and fire performance, alter the roof design, increase condensation risk and compromise the suitability of individual products. The entire project could be put at risk.
Rather than looking at component cost
cutting, the right system choice needs to be made for the end client, and to protect the credibility and reputation of the roofing contractor. The long-term benefits of specifying a complete and proven product system are priceless.
There are many benefits of choosing a cold-applied liquid waterproofing system for flat roof repairs, and with the right application, this can ensure a sustainable refurbishment to serve a community for many years to come.
Case study: Beaufort Park A recent example where liquid waterproofing was successfully specified and installed into a new-build residential scheme was the Beaufort Park scheme in north west London. A development by St George, part of the Berkeley Group, the scheme includes hundreds of new homes, health and fitness facilities, landscaped gardens, as well as shops, bars and restaurants. Kemper System’s Kemperol V210M was used for for five apartment blocks, comprising a total of 363 homes. It was specified to provide high-performance waterproofing on the roof of each building as well as terrace areas and a second-floor podium, which will be used as a communal courtyard.
Victoria Ramwell is marketing manager at Kemper System
WWW.ARCHITECTSDATAFILE.CO.UK ADF JANUARY 2021
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