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.
How to attach a gable roof to an existing roof.
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.
One would consider adding a gable roof to an existing roof for the following reasons.
To do this method you will have the back channel and fascia strengthened by reinforcing two.
It s simple yet pleasing to the eyes.
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.
Here are 7 different ways of attaching a patio roof to an existing house that you can apply.
Attaching below the ridge.
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Pick roofing materials that match your existing roof.
Adding a gable roof to an existing roof is no small project and is best left to the professionals.
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.
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.
Several methods exist based on the current roof design.
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.
This method may be one of the most ubiquitous ways of attaching a patio roof.
A gable roof would make the new room appear like it s a natural part of your home.