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.
Adding roof on deck.
As beautiful as they are functional the modern deck roofs are an extension of and not a deterrent from the luxurious deck.
Adding a roof to your deck is best done as the deck is being built.
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A regular deck can support a certain amount of weight per square foot but a deck roof adds a lot of weight and requires support.
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One of our readers rune eriksen sent us photos of his design for a home built deck drainage system and we were impressed enough to check it out.
Building a shed roof over a deck.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Roof and wind loads created by adding a roof.
The most common styles are gable hip and shed.
5 8 osb is applied on top of the felt paper and 1x6s to make sure no roofing nails penetrate the 1x6 or shadow gaps.
The roof deck is 1x6 attached to the top of the rafters with 1 4 inch space between boards.
Black roofing felt accentuates the shadow gaps from below.
Have no fear though.
Many porches use 22 diameter corner and intermediate.
As a result most decks have inadequate footings to support a new porch roof.
Consider including an ice and water barrier too.
Check local building code to see if you can attach a patio roof directly to your deck.
Post base connectors.
Always try to match the house roof pitch angle and overhang for your shed roof.
In most cases larger footings and sometimes more footings are required for a roofed deck.
The footings for porch decks must be larger than deck footings.
The deck roof of today isn t the drab concoction so many of us remember.
Typical decks are designed to support 55 psf lbs per square foot.
How to build a shed roof over a deck.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Some shed roofs are designed to be nearly flat.
For those who desire a bit more shade and privacy while soaking up the rays however a deck roof may be in order.
Without proper planning adding a roof to an existing deck can create an unsafe situation.