If you own a two story home you can tie the ledger into a band joist.
How to tie in patio roof under eaves.
The up slope end of a simple shed roof that rests near the eaves of an existing roof can usually be supported by the rafters of the old roof.
You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter.
After that cut the rafters back to the wall line.
Find the band joist by measuring down from the 2nd story window.
The back channel is connected to the rafter directly and reinforced.
Existing patio is outside the dining room on the west side of the house.
Allowable projection clear span of cover is generally much less than wall attachment.
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Utilizes the roof eave as part of the patio cover allows for taller patio roof heights.
Attaching to your fascia board.
With a fascia attachment the allowable clear span is limited by the strength of the homes eave roof rafters and eave projection the eave must be strong enough to support.
Attaching near the eaves.
If you own a one story home the best place to attach the ledger is just below the home s eaves.
How to attach a patio roof to an existing house.
Tips and tricks.
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.