How To Install A Deck Over A Flat Roof
The sleepers aren t fastened in place and the floor floats.
How to install a deck over a flat roof. Today s homeowner with danny lipford the voice of home improvement with projects tips and ideas to help you improve your home. The last roof deck i did was over a torch down roof. Place the deck planks every 6 inches which will leave a small gap between each plank. It s not really flat.
Choose what height timber batten to use paying close attention to the height of any existing door threshold. Now there s been quite a trend over the last few years for people to move back to downtown areas. Building a floating deck on an epdm rubber roof surface. This will provide the surface for you to attach the decking.
Screw this up and you ve got a problem. Years of neglect and lack of gutter coverage above the deck had destroyed not only the deck but a window and the sidewall as well. Installing deck on a flat roof tips. Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.
The specific requirements will vary from one location to another. Step 5 add handrails. I m sure you ve seen the stuff 3 1 2 wide by 8 long asphalt impregnated fiberboard. Nail the planks in place.
This wooden deck was built over her screen porch and on top of a flat roof. And developers are finding old buildings. You must make sure you have adequate drainage between the sleepers. Install the 14 inch pieces as braces throughout the joists with a staggered row extending across the center of the deck.
You must make sure the roof joists are sized for a floor load. I am taking a 25x25 roof over a garage that was done in decking then tile and leaked. Even there was only a 1 1 2 gap at the lower end. Next you will need to install a watertight epmd rubber membrane over the top of the roof deck for protection against water infiltration in place of roofing materials.
Screw the deck to the sleepers. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. Push fit easyfix shoes at gaps of 400mm down the length of timber battens 8 per m2 recommended. A roof deck is almost certainly going to be required by law to have handrails.
Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. Building a deck over a flat roof is very similar to building a deck over a concrete patio. Screwed 5 4 timber tech to the sleepers. This will provide the surface for you to attach the decking.
Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface. By paul wa i have an interesting problem. I set strips set sleepers on as a double layer. It s pitched 1 4 inch per foot but without a spirit level you can t really tell.