Many building departments require a local architect or engineer to design plans for porch roofs because of the increased snow roof and wind loads created by adding a roof.
Diy gable roof over deck.
When you start building your roof over the deck try and get some material that compliments the decking.
This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof.
Build the frame of the roof on the ground.
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Typical decks are designed to support 55 psf lbs per square foot.
You might want to use the same wood or something else.
A gable roof also blends in well with many types of architecture.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Although this project may seem like a real challenge with the right tools materials and some basic building skills it can be accomplished in 2 or 3 weekends.
Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.
Some people also like the feel of having a higher deck roof so this could be an option you might want to look at.
By doing this method you will have a clean finish that is connected to the wall line.
You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter.
Determine the locations for your roof support posts.
The back channel is connected to the rafter directly and reinforced.
Mark these locations on the deck and cutout areas in the deck at these spots to be able to dig a hole in the ground below the deck set a concrete footing and attach the posts.
Knowing how to build a gable roof over a deck will not only save you money it will also enhance the beauty of your home.
After that cut the rafters back to the wall line.
The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space.
Step 2 dig holes in the ground at each post location at least 18 inches in depth and 12 18 inches wide.
Make your deck a luxurious living space protected from the weather.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.