Porch decks require 25 additional psf for roof loads for a total of 80 psf.
How to add a roof over your deck.
Building on an existing deck.
Building a shed roof over a deck.
The best time to build a roof over your deck is during the construction of the deck itself.
You have to do it thoroughly so that the rafters sit flush on it.
Install post base connectors.
Typical decks are designed to support 55 psf lbs per square foot.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
If you choose to add a roof to an existing deck you may need to add additional supports so it can hold the weight of the roof.
Discuss the following issues with your professional handyman during the deck roof design process.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Consider including an ice and water barrier too.
Attach the horizontal beam by using a nail gun.
Check local building code to see if you can attach a patio roof directly to your deck.
Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.
After that to make it flush with the roof of the existing house cut the two outer rafters.
The most common styles are gable hip and shed.
These are used to attach the support posts to the frame of the deck.
Do not attach the post base to only decking.
Install post base connectors to attach the support posts to the deck frame.
If you have an existing deck it s possible to add a roof to it by installing additional supports.
Adding a roof to your deck is best done as the deck is being built.
Make sure the frame has the appropriate blocking to ensure a solid connection.
For a solid connection you ll have to make sure the frame has the appropriate blocking.