Designed for the modern outdoor space this metal pergola adds shade over an existing deck or patio.
Roof over existing deck plans.
Typical decks are designed to support 55 psf lbs per square foot.
Shed gable and hip.
How to build a roof over your deck.
Gable roof the most common type of deck roof the gable roof forms a triangular shape.
Shed roof a single sloping surface that starts at the exterior house wall and ends at support posts.
Check with local codes to make sure this type of metal deck roof is allowed where you live.
Building a shed roof over a deck.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
It s free standing and offers a little more than 96 square feet of shade coverage.
How to build a roof over a deck step 1.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
It comes with a canopy that can be retracted.
Have no fear though.
Lift the box.
For those who desire a bit more shade and privacy while soaking up the rays however a deck roof may be in order.
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.
Build the frame of the roof on the ground.
The deck roof of today isn t the drab concoction so many of us remember.