stud wall to concrete floor

Postby agb32 » Thu Sep 27, 2007 10:32 am

I need to put a stud wall onto a concrete floor - how should I fix it to the floor? I'm worried that by screwing it in, I might damage the damp membrane in the concrete?

Do I need any damp proof material between the wood and the concrete?

(to my knowledge, the concrete is dry).

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Simply Build It

Postby Oddbod » Fri Sep 28, 2007 8:30 pm

Hi. Is it really concrete? It's probably just screed to be honest.

Either way it'll be plenty thick enough to take a screw/masonry nail that penetrates (say) inch and half without damaging the damp proof course.

If you need to use a damp proof membrane you have far more serious problems to worry about - believe me!
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Postby rosebery » Mon Oct 01, 2007 8:49 pm


First - do you know if there are any cables or water pipes in the vicinity of where you want to put it. Best to know.

Second - can you say if it is a screeded over timber floor or concrete. Fro your post I suspect the latter. Knowledge of the location might help including age of house and ground floor or above. It will make a difference and I'M not going to jump to conclusions.

Third - I'd presume you'll be using 3 x 2 (sorry 75mm x 50mm) timber for the sole plate and I think I'd want to be using bigger fixings than 4 or 4½ inches.

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