How To Build A Deck Above A Flat Roof

They are merely placed on top of another structure.

How to build a deck above a flat roof. Building a deck over a flat roof is very similar to building a deck over a concrete patio. I am also planning to make a deck on my flat roof but i have some questions. There are a few things that make pvc decking different in regards to roof decks. Relay to your architect any special.

You ll most likely be able to build the deck on that. So i will not be able to put the sleepers parallel to the slope. Framing the roof place the sleepers. Hi thanks for the interesting blog.

Obtain the requirements for a deck above a sloped roof from your jurisdiction s permits office. Blocking must be installed adjacent to the rim joist. How to build a deck on a flat roof. First you must make sure the roof is strong enough to support 55 lbs per square foot.

One of the challenges in building a deck on a roof like this that s unlevel is the deck needs to be level. How to build a deck above a slope roof. Be sure that the deck floor frame is at least as thick as the entire cross section of the post above and below. Step 5 add handrails.

A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. But here it s a little bit more of a challenge. To simplify a construction. Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture.

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. 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. Either way the roofing has to be right. First it s designed to be waterproof and walkable whereas most other flat roof materials are not.

The joists of the deck as with most flooring will be set out on 16 inch centers. Step 4 assemble the deck. A properly constructed epdm roof should last 40 or more years. The thing is that the roof draining is through a hole in the center of the roof.

Step 2 order materials. Step 3 prepare the materials. How vinyl waterproof decking benefits roof decks. These decks are often referred to as floating as they are not secured in place as a stand alone structure.

It s reliable it s fairly easy to work with and it requires no special tools. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the 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. That said a lot of people subcontract the roofing work and build the deck themselves.

Even if your roof has a slight pitch you can level it off through the construction of the deck s understructure. To avoid any modifications to the existing deck below or to facilitate future replacement of the deck below.