How To Install A Deck Over A Flat Roof

Nail the planks in place.

How to install a deck over a flat roof.

Screw this up and you ve got a problem. I tore everything up replaced the wood that needed it and built up the base and covered everything in epdm. This will provide the surface for you to attach the decking. I set strips set sleepers on as a double layer.

The specific requirements will vary from one location to another. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. Choose what height timber batten to use paying close attention to the height of any existing door threshold. Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.

Step 5 add handrails. By paul wa i have an interesting problem. Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface. This will provide the surface for you to attach the decking.

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. Building a floating deck on an epdm rubber roof surface. You must make sure you have adequate drainage between the sleepers. Screwed 5 4 timber tech to the sleepers.

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. I m sure you ve seen the stuff 3 1 2 wide by 8 long asphalt impregnated fiberboard. As you can see the guys are getting a great start on the framework for our new rooftop deck. Building a deck over a flat roof is very similar to building a deck over a concrete patio.

I am taking a 25x25 roof over a garage that was done in decking then tile and leaked. This wooden deck was built over her screen porch and on top of a flat roof. The last roof deck i did was over a torch down roof. And developers are finding old buildings.

The sleepers aren t fastened in place and the floor floats. It s pitched 1 4 inch per foot but without a spirit level you can t really tell. Screw the deck to the sleepers. Place the deck planks every 6 inches which will leave a small gap between each plank.

Install the 14 inch pieces as braces throughout the joists with a staggered row extending across the center of the deck. Installing deck on a flat roof tips. Now there s been quite a trend over the last few years for people to move back to downtown areas. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof.

It s not really flat. You must make sure the roof joists are sized for a floor load. Even there was only a 1 1 2 gap at the lower end. A roof deck is almost certainly going to be required by law to have handrails.