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How to build a roof deck deck.
When you start building your roof over the deck try and get some material that compliments the decking.
Typical decks are designed to support 55 psf lbs per square foot.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
The most common reason why people build roofs over decks is for protection from the sun and rain.
Protection from the sun and rain.
As a result most decks have inadequate footings to support a new porch roof.
Many porches use 22 diameter corner and intermediate.
The standing water eventually seeped through and rotted the frame.
Here are the top reasons why you ll want a roof for yours.
This will provide the surface for you to attach the decking.
Then run joists connecting the front of your roof with the rear every two feet along the length of your roof.
Treat it with the same products to give it a similar finish.
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.
Building a shed roof over a deck.
The footings for porch decks must be larger than deck footings.
You might want to use the same wood or something else.
I am working on a roof deck 5 stories up in center city philadelphia 25 35 ft there are other deck near and next to this building and some of these decks are very dangerous and those decks belong out back of a 1 story home with a double step into the grass it is scary to look at some of these decks that have wood spindles held in with trim nails that are shot in from the outside.
Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.
As you can imagine there are plenty of benefits of building a roof over your deck.
Many building departments require a local architect or engineer to design plans for porch roofs because of the increased snow roof and wind loads created by adding a roof.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Reasons to build a roof over a deck.