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question on dpc's

thehotstepper · 2007-06-27 23:01:40

Hi boardsers ive a quick q. when you overlap a damp proof membrane with the dpc, and then build on top again, are you supposed to cut it off outside flush with the wall?Helping a guy with an extension and i think the rain is coming down the wall and in under the blocks on top of the dpc(cavity blocks). Am I right in saying…

27-06-2007 11:01pm

#1

thehotstepper

Closed Accounts Posts: 75 ✭✭

Join Date: August 2005

Posts: 46

Hi boardsers ive a quick q. when you overlap a damp proof membrane with the dpc, and then build on top again, are you supposed to cut it off outside flush with the wall?Helping a guy with an extension and i think the rain is coming down the wall and in under the blocks on top of the dpc(cavity blocks). Am I right in saying I should cut it off and plaster with a waterproofer additive over the lot?

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