Building a deck over a flat roof is very similar to building a deck over a concrete patio.
How to build a deck above a flat roof.
But here it s a little bit more of a challenge.
You ll most likely be able to build the deck on that.
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.
How vinyl waterproof decking benefits roof decks.
I am also planning to make a deck on my flat roof but i have some questions.
Step 5 add handrails.
First you must make sure the roof is strong enough to support 55 lbs per square foot.
To simplify a construction.
A properly constructed epdm roof should last 40 or more years.
There are a few things that make pvc decking different in regards to roof decks.
Blocking must be installed adjacent to the rim joist.
Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.
Step 2 order materials.
That said a lot of people subcontract the roofing work and build the deck themselves.
How to build a deck above a slope roof.
Relay to your architect any special.
Hi thanks for the interesting blog.
Be sure that the deck floor frame is at least as thick as the entire cross section of the post above and below.
To avoid any modifications to the existing deck below or to facilitate future replacement of the deck below.
Step 4 assemble the deck.
Framing the roof place the sleepers.
Either way the roofing has to be right.
The joists of the deck as with most flooring will be set out on 16 inch centers.
First it s designed to be waterproof and walkable whereas most other flat roof materials are not.
It s reliable it s fairly easy to work with and it requires no special tools.
Cut four 1 foot lengths of 2 by 6 lumber for your sill plates which act as bases to support each end of a.
Even if your roof has a slight pitch you can level it off through the construction of the deck s understructure.
If you d like to build a deck over your roof make sure the roof has a covering that allows water to run off.
They are merely placed on top of another structure.
So i will not be able to put the sleepers parallel to the slope.
One of the challenges in building a deck on a roof like this that s unlevel is the deck needs to be level.
Step 3 prepare the materials.
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.
How to build a deck on a flat roof.
Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture.
A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above.
The thing is that the roof draining is through a hole in the center of the roof.
