The concrete, or slab base, should contain a damp-proof membrane (sized to the entire surface area the shed will occupy). this should be inserted below the flags, or 2” below the surface of the concrete slab.. I want to build a concrete base for a garden shed, size approx 5m x 3.5m (16'6 x 11'6). the shed will it on timber beams, and have an insulated wood floor, so no standing (or seeing) directly the. So the damp proof membrane was placed on the ground surface, the wooden bearers and floor on top of the membrane and the membrane was then lapped up inside the wall panels of the shed. so the void under the shed is essentially enclosed in a damp proof membrane envelope..
Dpc advice for shed base. discussion in 'builders' talk' started by dave e, apr 23, 2009. dave e new member. a damp proof membrane goes on the floor, a damp proof course goes in the wall. i was intending on my concrete floor being the base actually, but i assume that is the correct stuff to put on top of my bricks before i screw the. Damp proof membrane then 4 inches of concrete (so the concrete should finish about 3 inches above ground level.) i have a few questions which i would be grateful if anyone can concrete shed base questions "nick maclaren" wrote in message gutters are a reasonable solution; a rubber skirt is precisely the. Using damp proof membrane under shed. discussion in 'home and garden' started by massivejim, may 20, 2016. however i am not familiar with the rules when using damp proof membrane. so i suppose i don't really have a base and a shed. also the wood is tanalised yes. trust. may 20, 2016 at 10:34 pm #7. mjd..
