Attaching a patio roof to an existing house is not a doddle but it does not mean that you cannot do it.
How to attach roof to existing wood porch.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
If you are tying the roof directly to a house wall you can install a ledger board with flashing and install rafter ties to attach the rafters at the appropriate angles or use engineered trusses.
However if you build a porch roof with a peak larger than your existing roof check to make sure the that material can stand up to the pitch of your porch roof.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Typical decks are designed to support 55 psf lbs per square foot.
Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.
On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.
No matter the situation either attaching to an existing deck or building onto a deck that is being built in progress the weight of the roof needs to be considered in relation to the deck.
How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
As long as you use a roofing design that matches your existing roof you can use the same materials.
Check local building code to see if you can attach a patio roof directly to your deck.
Pick roofing materials that match your existing roof.
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.
Before attaching a patio roof to your home you need to prepare some materials such as.
If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.
The opposite side of the porch roof will be supported by a header beam that is installed parallel to the house on top of 6x6 support posts.
Some steps on how to attach a patio roof to an existing house.