Your support posts won t need to be.
Building a roof over existing deck.
Gable roof the most common type of deck roof the gable roof forms a triangular shape.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Typical decks are designed to support 55 psf lbs per square foot.
Building on an existing deck.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
There are three types of roofs that you ll find over a deck.
Build the frame of the roof on the ground.
Frame up a box the size of the outer dimensions of your deck using 2.
You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing.
We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof.
How to build a roof over a deck step 1.
Rafters should be attached to the header beam using hurricane ties.
Lift the box.
In this article builder emanuel silva shares his method for building such a deck which begins with a leak proof low slope roof of epdm rubber.
Building a deck above a porch roof allows for sheltered space below and views from above.
Start here if you want to build a roof over a patio or deck.
Shed gable and hip.
Shed roof a single sloping surface that starts at the exterior house wall and ends at support posts.
How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
3 when you have your.
2 fix these support posts to your decks original support frame bolts work well.
Install post base connectors.
Take a look at our step by step guide for building a shed roof over your existing deck.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
How to build your own deck roof 1 if you like the idea of having the roof above your house s roof you need to make sure the support posts are within 4.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overhead s weight you will have to pour new footings around the slab s perimeter or break out sections and pour deeper footings.