The thing is that the roof draining is through a hole in the center of the roof.
How to build a flat deck roof.
Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.
Step 3 prepare the materials.
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.
This will provide the surface for you to attach the decking.
The footings for porch decks must be larger than deck footings.
That means there are 4 slopes leading the rain or melted snow water to the drain.
Typical decks are designed to support 55 psf lbs per square foot.
Step 2 order materials.
The joists of the deck as with most flooring will be set out on 16 inch centers.
There are tons of reasons to build a deck over a roof from creating a romantic outdoor breakfast nook off a second floor master bedroom to providing a second floor porch on a city house.
So i will not be able to put the sleepers parallel to the slope.
Step 5 add handrails.
A reliable roof membrane and details that minimize any damage to the.
Step 4 assemble the deck.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
This will give additional stability to the roof structure.
To simplify a construction.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Lift the box.
Many porches use 22 diameter corner and intermediate.
How to build a deck on a flat roof.
As a result most decks have inadequate footings to support a new porch roof.
May 7 2014 before we look at how to build a deck on a flat roof here s an example of what not to do as debris settled into the cracks of the gravel roof it became a muddy sponge and the sleepers became dams with big rains.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
No matter the reason the keys to a long lasting deck above a living space are the same.
They are merely placed on top of another structure.
Build the frame of the roof on the ground.
How to build a roof over a deck step 1.
The standing water eventually seeped through and rotted the frame.
Frame up a box the size of the outer dimensions of your deck using 2.
Step 1 simplify the project.