pilgrim Posted November 7 Share Posted November 7 I am working out how to build a shed in my garden and I am unsure of the best way to do the Damp Proof Membrane below the concrete slab. So far I have the base planned like this with the DPM coming up the wall at least 150mm. My plan is to over clad the OSB with a breathable membrane, batterns and tongue and groove / weather board. Then a french drain around the outside. Is this approach sensible? what is the best way to protect the membrane from being damaged? or will the shingle in the french drain be enough? This will just be a shed (for now anyway!) so I want to keep the concrete close to ground level to make it easier pushing equipment in and out! Thank you Link to comment Share on other sites More sharing options...
Gus Potter Posted November 7 Share Posted November 7 Get a few tie straps in there to stop it lifting up in the wind. Make sure you get a good gutter detail to keep the rain away from the base as best you can. 1 Link to comment Share on other sites More sharing options...
pilgrim Posted November 8 Author Share Posted November 8 Thank you, yeah I have planned to set some bolts in the concrete to tie it all down Link to comment Share on other sites More sharing options...
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