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Blisters are one of those flat roofing problems that can look far worse than they actually are. I recently inspected a seven-year-old two-ply SBS roof in Surrey, BC, where blistering was visible across several areas of the main roof as well as at some of the parapet...
EPDM is a very repairable roofing system when the right materials and preparation are used. Unfortunately, one of the things I regularly come across when inspecting older EPDM roofs is previous repair work carried out using products that were never really suitable for...
If you've ever walked across an older EPDM roof, you may have seen the membrane pulling tight around parapet walls, corners, rooflights or other upstands. This is commonly referred to as tenting. The photos here are a good example. The membrane is no longer sitting...