Residential Roof Deck Construction

These decks are often referred to as floating as they are not secured in place as a stand alone structure.

Residential roof deck construction.

Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. And considering how little it takes to make a roof habitable a deck up top may deliver the biggest bang for the buck in residential construction. For a large deck where flat sleepers are too thin to taper you can use 2x4s or 2x6s set on edge. First you must make sure the roof is strong enough to support 55 lbs per square foot.

They are merely placed on top of another structure. Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. Build the frame of the roof on the ground. If you want the decking surface to be level the sleepers will need to be tapered to compensate for the slope in the roof deck.

Fantastic residential roof decks. The finished walking surface of the roof deck surface should be below the level of the interior floor by at least 1 1 2 inches. The roof deck should be properly flashed with a highly durable material that is compatible with the deck material copper lead epdm etc where it adjoins the house. The decking sits on 2x sleepers usually laid flat.