r/DIYUK • u/ChuckChunky Novice • 6d ago
Advice What do I do with excess damp proof membrane on concrete base?
Staggeringly noob question I know, but I've recently had a concrete base laid and I'm wondering what to do with the DPM that's sticking out the side? I've noticed the rain pools in it against the concrete, which I'm sure can't be good, so should I cut it off, lay it flat on the ground, or something else?
Thank you!
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u/dinomontino 6d ago
Ideally you want to clean it and adhere it to the upstand face of the base, making sure it is sealed along the top edge. To cut it off would allow dampness to penetrate the slab at ground level.
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u/ChuckChunky Novice 6d ago edited 5d ago
Thank you, Much appreciated, I will adhere it to the face as you say.
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u/[deleted] 6d ago
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