As a result most decks have inadequate footings to support a new porch roof.
How to build a flat deck roof.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
So i will not be able to put the sleepers parallel to the slope.
Step 4 assemble the deck.
They are merely placed on top of another structure.
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.
The joists of the deck as with most flooring will be set out on 16 inch centers.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
The footings for porch decks must be larger than deck footings.
The thing is that the roof draining is through a hole in the center of the roof.
This will give additional stability to the roof structure.
Typical decks are designed to support 55 psf lbs per square foot.
The standing water eventually seeped through and rotted the frame.
A reliable roof membrane and details that minimize any damage to the.
How to build a roof over a deck step 1.
For additional stability you can also use steel joists that are built into one or both of the walls.
Build the frame of the roof on the ground.
First you must make sure the roof is strong enough to support 55 lbs per square foot.
Many porches use 22 diameter corner and intermediate.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.
To simplify a construction.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
How to build a deck on a flat roof.
No matter the reason the keys to a long lasting deck above a living space are the same.
Step 1 simplify the project.
Step 2 order materials.
This will provide the surface for you to attach the decking.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
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.
Lift the box.
Frame up a box the size of the outer dimensions of your deck using 2.
I am also planning to make a deck on my flat roof but i have some questions.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.
Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.
Hi thanks for the interesting blog.
