This method may be one of the most ubiquitous ways of attaching a patio roof.
How to attach a gable roof to an existing roof.
Adding a gable roof to an existing roof is no small project and is best left to the professionals.
As long as you use a roofing design that matches your existing roof you can use the same materials.
Several methods exist based on the current roof design.
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.
A gable roof would make the new room appear like it s a natural part of your home.
In the case of a lean to roof over an addition the existing rafters will have to be cut away to accommodate the addition and the shed roof will require support where.
In case you don t know what a gable roof is it s the kind of roof that s formed as two slopes meet at the top.
Attaching below the ridge.
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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.
It s simple yet pleasing to the eyes.
Adding on to a house or structure is a great way to get more room without building an entire new house.
Fix the back channel to the fascia boards underneath the gutter directly.
One would consider adding a gable roof to an existing roof for the following reasons.
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.
To do this method you will have the back channel and fascia strengthened by reinforcing two.
Here are 7 different ways of attaching a patio roof to an existing house that you can apply.