How to build a roof over your deck.
Build gable roof over deck.
Typical decks are designed to support 55 psf lbs per square foot.
Always use professionally engineered roof trusses designed for the dimensions of your roof.
Gable roof 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.
When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.
Be sure to overlap the roofing felt 4 inches at all edges.
Paint your gable roof as required.
Nail 2 boards onto your walls as top plates.
This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Build a gable roof over a deck.
Then run joists connecting the front of your roof with the rear every two feet along the length of your roof.
Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.
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 gable roof over your existing deck will make it more comfortable providing shade and shelter from the rain.
Nail the first boards on top of your wall where you plan to build your roof.
Next install the roofing drip edge and finish with roofing shingles.
Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.
Step 1 build the frame of the roof on the ground.
A gable roof also blends in well with many types of architecture.