Take a look at our step by step guide for building a shed roof over your existing deck.
How to put a roof on an existing deck.
To convert the deck to a porch i need to load the roof onto the deck s cantilever code problem.
These are used to attach the support posts to the frame of the deck.
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.
Tie the tin roof into your existing roof using metal flashing available at any home supplies store.
Without proper planning adding a roof to an existing deck can create an unsafe situation.
A deck offers respite from the daily grind and is a lovely way to pass the time.
Building on an existing deck.
Do i have to reframe this deck to make things work.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Install post base connectors.
Install tar paper on the plywood sub roofing and then follow up by laying the tin roofing down.
For example assume the porch measures 12 feet wide and 8 feet deep from the outside edge of the railing to the wall.
For a solid connection you ll have to.
Existing deck is 24 w x 10 deep ledgered to house rear beam is 8 back so there s a 24 cantilever.
2x8 joists 16 oc dbl 2x10 rear beam.
Or you can lag screw through post bases and decking into the top of a deck joist or beam.
Adding a roof to an existing deck can take some doing.
The roof will have the measurement of 144 by 96 by 96 inch.
While you re out there soaking up the sunshine you may look up and realize a roof would make the deck that much more enjoyable.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Where local building codes allow this practice you can bolt a patio overhead s posts directly to existing deck beams joists or other heavy structural members.
Adding a roof over an existing deck should you attach a roof to an existing added over deck adding a covered patio screened porch existing deck porches and how to add a roof existing deck how expensive is it to construct a roof over deck from scratch roof over deck pictures you.
For a roof over a porch of dimensions other than 12 feet by 8 feet you ll need to adjust your measurements accordingly.
Typical decks are designed to support 55 psf lbs per square foot.