Garage with flat roof deck

missouri1March 15, 2009

We are buying a house with a 2 car garage made of blocks. It currently has no roof at all. Instead of building joists and a standard roof I was considering building a flat roof with a railing for a deck.

Our lot is on a hill so the back side of the garage is only a few feet off the ground level so this would work out great with minimal step up to the garage deck.

But... I'm not sure if the idea is practical as far as structurally and what I could possibly use on the decking to prevent any leaking.

I'd appreciate any suggestions!

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it is probably doable, the question is whether it is doable for the price you are willing and can afford to pay. not a DIY job at all.

    Bookmark   March 18, 2009 at 12:46PM
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No different than any other flat roof--you'll have to get a structural engineer to tell you how big the beams need to be to support the roof, people, and/or snow load. Slope the roof somewhat so you reduce leakage problems. It may make sense to build the roof and then build a deck above that so the deck is flat, but the roof has some slope.

    Bookmark   March 20, 2009 at 1:27PM
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