How To Build A Deck Above A Flat Roof

If you d like to build a deck over your roof make sure the roof has a covering that allows water to run off.

How to build a deck above a flat roof. To simplify a construction. Blocking must be installed adjacent to the rim joist. Relay to your architect any special. These decks are often referred to as floating as they are not secured in place as a stand alone structure.

I am also planning to make a deck on my flat roof but i have some questions. How vinyl waterproof decking benefits roof decks. That said a lot of people subcontract the roofing work and build the deck themselves. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above.

You ll most likely be able to build the deck on that. Step 4 assemble the deck. That means there are 4 slopes leading the rain or melted snow water to the drain. Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture.

Framing the roof place the sleepers. Building a deck over a flat roof is very similar to building a deck over a concrete patio. A properly constructed epdm roof should last 40 or more years. Either way the roofing has to be right.

Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. To avoid any modifications to the existing deck below or to facilitate future replacement of the deck below. First it s designed to be waterproof and walkable whereas most other flat roof materials are not. Now unlike your backyard that may be unlevel when you re building a deck you can set your post and adjust your framing nice and level.

Even if your roof has a slight pitch you can level it off through the construction of the deck s understructure. The joists of the deck as with most flooring will be set out on 16 inch centers. Be sure that the deck floor frame is at least as thick as the entire cross section of the post above and below. How to build a deck above a slope roof.

So i will not be able to put the sleepers parallel to the slope. Step 2 order materials. But here it s a little bit more of a challenge. The thing is that the roof draining is through a hole in the center of the roof.

Obtain the requirements for a deck above a sloped roof from your jurisdiction s permits office. There are a few things that make pvc decking different in regards to roof decks. They are merely placed on top of another structure. How to build a deck on a flat roof.

Hi thanks for the interesting blog. Step 5 add handrails. Cut four 1 foot lengths of 2 by 6 lumber for your sill plates which act as bases to support each end of a. Step 3 prepare the materials.

It s best to build the wooden deck in removable sections for cleaning and maintenance of the rubber roof and repair of the membrane if ever needed. Step 1 simplify the project.