Continuing from from best practices guide to residential construction.
Porch roof connection to house.
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Now you can begin assembling the outer rafters and attaching the rafter beam to the edge of the roof of the house.
When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns.
In new construction if a deck is planned make sure the band joist is pressure treated and adequately nailed to the sole plate above and the sill or top plate below using stainless steel or double hot dipped galvanized nails.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
The proper way to seal and prevent leaks on this type of seam is by doing a procedure called step.
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After that to make it flush with the roof of the existing house cut the two outer rafters.
The positioning of your rafters will depend on the pitch of the porch roof.
The point where a new porch roof butts up against a wall of the house is a prime place for leaks.
A house attached patio roof takes advantage of the house s structure by supporting one end of the roof on a ledger mounted horizontally to the house.
Use screws to secure the rafter to the sill plate.
The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters.
Cut each of the house ends while continuing installing the rafters so that they fit the top of the rafter beam perfectly.
How to frame a roof against a brick wall.
Joist hangers can help you mount each rafter to the house.
If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.