Install rafters on 16 inch centers assembling the structure with 4 inch stainless steel screws and an electric screwdriver.
How to build a shed roof over an existing deck.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
Install post base connectors.
Do not attach the post base to only decking.
If you have an existing deck it s possible to add a roof to it by installing additional supports.
Discuss the following issues with your professional handyman during the deck roof design process.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Building a shed roof over a deck.
Build the trusses as a rule of thumb you will first need to build the walls and floor before you can start to build the shed trusses.
Typical decks are designed to support 55 psf lbs per square foot.
Instead of working at a table or other raised surface it s best to build the wooden trusses on the ground.
Make sure the frame has the appropriate blocking to ensure a solid connection.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Take a look at our step by step guide for building a shed roof over your existing deck.
Our experts can take care of all this and more.
Install post base connectors to attach the support posts to the deck frame.
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Pre cut the rafters and support columns with an electric circular saw.
Attach the shed roof to the home s framework with anchor bolts.