Porch decks require 25 additional psf for roof loads for a total of 80 psf.
How to make a roof deck.
I repair replace and build decks i do not notch my 4x post but when it is there already i like to use metal bracket on the two sides and if possible go underneath the deck and beef up the framework and add more support were i can the main idea in my opinion on rail system and support depends on how high the deck is.
As a result most decks have inadequate footings to support a new porch roof.
Here are the details in case you d like to build your own building a deck with a roof version.
Shed roof for most homes a shed roof may be the only option that will work with the existing architecture.
Several commercial waterproof deck systems are available to create a dry space under a deck but rune stactic of adding a roof to a deck seems to be just as effective.
Decks are for enjoying the outdoors entertaining friends and family and escaping everyday life for a few hours at a time.
Covered decks can be made with either stand alone roofs or when the deck is adjacent to a building with a roof connected to the building.
Unfortunately bad weather can put a damper on that enjoyment.
Designing the deck roof.
I am working on a roof deck.
Building a hip roof on a detached deck is much simpler than one that s attached to a home as you can match the roof s pitch on each side instead of trying to match it to the existing pitch on the roof of your home.
When you start building your roof over the deck try and get some material that compliments the decking.
The footings for porch decks must be larger than deck footings.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Securing it to the home.
If you don t have any carpentry experience and can t cut angles very well think about using brackets.
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.
Many porches use 22 diameter corner and intermediate.
This is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck.
Typical decks are designed to support 55 psf lbs per square foot.
You might want to use the same wood or something else.
And it s inexpensive and easy to build using materials found at any home center.
However by building a simple roof structure over the deck itself you can greatly increase the number of days that you have to enjoy it.