its cromar felt breathable . i know the tiles will keep the water out but i was just wondering if any one else had experienced this or am i doing some thing wrong .
yes i did it all corectly half people say felt leaks when exposed to bad rain the other half say no it should never get through. the only explanation i can think is its acting like a tent and coming through where the felt is touching the rafters .
hello just felted my roof and will be waiting a week or so before i tile it . But during the bad weather i have noticed rain dripping in through where i have nailed the battens to the raffters its only small leaks but want to sort it before tiles go on any ideals on how to fix it . i have used...
ok thanks let me start from beginning. im building a extension for a friend its 2 skins of blockwork with 100mm cavity full fill inulation. i built up to dpc for him. and left him to concrete cavity . unfortunately he never listened right and concreted within a 100mm of dpc instead of 225mm...
dont think i have explained that right the bottom of the tray sits on dpc level then gos up and sits on the thermo block. so what im saying is i have 225mm under the tray that is above finnished floor level . hope this makes more sence
hi just a quick one if your building a cavity with a damp proof tray and the rest of the cavity is 100 mm drytherm full fill. can you still use the same stuff under the tray . im talking at ground level ,
hi I am doing a extension and just laid the concrete slab after i done it some one said i should have put 25mm celotex or some kind of expansion joint all the way round against the exsisting house and new blockwork underneath the dpm. It was not on the drawing . However could building control...