A Waterproof deck question
Here's a question from Leigh WM from Bacchus Marsh in South Australia. He wants a waterproof deck so that he can use the space under.
We're wanting to find out if we can put a 'roof' under an existing deck to make storage/work space underneath. I guess we'd sort of need to put battens of increasing thickness underneath to fix iron to to get run off? Or some sort of upsidedown mini trusses?
Cheers n ginger beers,
They don't look real flash, but if you want to get a better look you
are up for pulling up the boards, replacing with cement sheet, ceramic
tiles etc. A lot of expense but it has to be done in the case of a
more permanent habitable room under.
Re: deck floor roof...
Ta mate. Just wondering with the cement sheet, how are they waterproofed at the joins? And would the deck then need a slight slope in case it ever rains again down here? Then I sppose any sort of normal ceiling boards underneath?
The waterproofing is the same as for a bathroom. Not as bad as it sounds. Water based emulsion stuff that you can apply with a paint roller,(it's thick, tilers sometimes trowel it on) with a thin fibreglass tape over the joints of the sheets and at the wall. Messy but easy to do. One coat, tape the joints, do a another coat.(again see manufacturer's tech sheets.) consult with tiler first or if you do your own, buy the waterproofing, adhesive and tiles from one proper tile shop, that way they are all compatible.
I have always took a lot of care at the joint up to the wall. Once again it depends on your layout, what the wall is made out of.
As I said it is expensive, but done well it creates good usable space under.
A couple more thoughts on a waterproof deck.
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