How to attach a patio roof to an existing house.
How to tie in patio roof under eaves.
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Allowable projection clear span of cover is generally much less than wall attachment.
Utilizes the roof eave as part of the patio cover allows for taller patio roof heights.
Attaching near the eaves.
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.
You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter.
The back channel is connected to the rafter directly and reinforced.
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.
This video looks at a couple of design options including attaching the roof ledger below that of the existing eaves and setting the patio roof atop the existing roof.
If you own a one story home the best place to attach the ledger is just below the home s eaves.
Find the band joist by measuring down from the 2nd story window.
If you own a two story home you can tie the ledger into a band joist.
The patio is essentially unusable on a sunny afternoon in the summer.
Attaching to your fascia board.
Tips and tricks.
After that cut the rafters back to the wall line.