How To Build A Deck Above A Flat Roof

Step 2 order materials.

How to build a deck above a flat roof.

First you must make sure the roof is strong enough to support 55 lbs per square foot. Step 1 simplify the project. Obtain the requirements for a deck above a sloped roof from your jurisdiction s permits office. It s reliable it s fairly easy to work with and it requires no special tools.

How to build a deck on a flat roof. How to build a deck above a slope roof. 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 4 assemble the deck.

That means there are 4 slopes leading the rain or melted snow water to the drain. 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. Hi thanks for the interesting blog. The thing is that the roof draining is through a hole in the center of the roof.

You ll most likely be able to build the deck on that. If you d like to build a deck over your roof make sure the roof has a covering that allows water to run off. I am also planning to make a deck on my flat roof but i have some questions. To avoid any modifications to the existing deck below or to facilitate future replacement of the deck below.

Building a deck over a flat roof is very similar to building a deck over a concrete patio. Relay to your architect any special. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. Step 5 add handrails.

These decks are often referred to as floating as they are not secured in place as a stand alone structure. Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture. First it s designed to be waterproof and walkable whereas most other flat roof materials are not. Blocking must be installed adjacent to the rim joist.

Cut four 1 foot lengths of 2 by 6 lumber for your sill plates which act as bases to support each end of a. Be sure that the deck floor frame is at least as thick as the entire cross section of the post above and below. Framing the roof place the sleepers. There are a few things that make pvc decking different in regards to roof decks.

How vinyl waterproof decking benefits roof decks. One of the challenges in building a deck on a roof like this that s unlevel is the deck needs to be level. That said a lot of people subcontract the roofing work and build the deck themselves. The joists of the deck as with most flooring will be set out on 16 inch centers.

Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. So i will not be able to put the sleepers parallel to the slope. They are merely placed on top of another structure. Either way the roofing has to be right.

Step 3 prepare the materials. Even if your roof has a slight pitch you can level it off through the construction of the deck s understructure.