July 20, 20206 yr Hi all I am looking to have a warm flat roof done. I have a fair amount of Kingspan K103 remaining from doing my floors. My flat roof is being made so it is suitable for walking on (we will be putting a floating Trex decking system on top). I was looking to use the Kingspan K103 for the roof, I spoke to Kingspan today to ask if it would be okay to do so, they said they cant say whether or not it is because it has only been tested for floors. I would assume it would be okay as if its suitable for walking on via a floor then they same would apply on a roof. Unless there is an issue as this type of board is not foil faced, I don't have very much experience with insulation as this is my first big project so any pointers would be appreciated. I also haven't decided what would be the best roof finish before putting down the composite decking on top, every roofer seems to give conflicting advice. Thanks in advance Edited July 20, 20206 yr by revelation
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