Flat roof falls Despite the fact that for many years, flat roofing codes of practice have recommended that roofs should have minimum falls for drainage, many older roofs have little or no falls. It is also the case that many flat roof refurbishments only provide renewal of either the waterproofing or waterproofing and insulation. This
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‘What lies beneath?’ A visual inspection of a flat roof may give an indication of the condition of the roof covering, but a proper assessment of a flat roof requires knowledge of the substrate beneath the external covering. But what features of the construction do we need to know about, and what should we be
When we formed BBR Roofing in the early 1990’s options for waterproofing complex details on bitumen felt roofs were fairly limited. Some of the high performance felts of the time were very thick and heavy such as the HT350 and subsequently popular 350 elastomerics. These membranes were not only thick, but their elastic memory made