WebMay 17, 2015 · 11 May 2015. #1. I recently had a 6m extension built with a flat roof which has a hidden drain (gully within the roof). Without going into details the builder totally messed it up and now I have standing water on the roof when it rains near the edge of the gully. It does eventually drain off but takes a long time and I'm concerned that this ... WebApr 1, 2024 · Part H of the building regulations regarding drainage state that water should drain to one or two edges. Waterproofing should extend up the adjacent walls at least 150mm from the roof surface. Cold roofs must …
Why Do They Put Gravel on Flat Roofs? - IKO Commercial
WebAsphalt flat roof John Gilbert The white reflective coating has faded. Upstands are most at risk as the asphalt can slump in the heat. Problems. asphalt needs a reflective covering to stop heating and cooling which leads to cracking; protective chippings may need to be re-spread; if the asphalt is bonded directly to walls or concrete decks, any ... WebMany flat roofs are covered with a scattering of chippings, often gravel, that need to be swept up and bagged for re-use before removing the roof. 5. Use a wrecking bar or … phillip fournier
flat roof - roof chippings DIYnot Forums
WebSep 26, 2012 · Country. 25 Sep 2012. #3. Old style British Standard felt was non stretchy and brittle and the chips eased the hot/cold expansion cycle and helped to prevent the felt cracking. Todays polyester based or elastromeric felts are stretchy and don't need the same protection from the elements. Chips also gave a better fire rating. WebA flat roof can be susceptible to moss growth as rainwater can pool on the surface. Stone chippings also provide moss with shade and moisture; the perfect conditions for moss … Web1-48 of over 2,000 results for "roof chippings" RESULTS. Price and other details may vary based on product size and colour. Add to List. Add to List. Share. ... Cold Gritting Adhesive/Solution Black Bituminous Bond Chippings Flat Roofs (5 … try ois