Sep 12 2020 explore peter baker s board roof tie in on pinterest.
Tie in screened porch to roof.
With a roof tie in one of the biggest concerns is that new roof loads on the existing structure will stress the old rafters or joists and cause sagging or cracks in ceiling drywall.
In most situations a roof tie in connection is more elaborate than a sidewall connection pictured above.
This can be achieved through a roof tie in or a sidewall connection.
This may be an additional expense but it also has the benefit of increasing property values.
The sill plate or piece of wood that secures the supports to the roof should sit flush to the top edges of the roof support columns.
There are four primary factors that once considered allow a screened porch project to take shape.
This gives you the number of rows of shingles you will need.
Remember to raise the tie in framing on the existing house roof in.
If it comes out to an odd number like 7 5 adjust the spacing to make it 8 rows.
Roof tie in sidewall or detached.
See more ideas about patio roof building a porch porch roof.
Do this by using a taut string line or a long straight board.
Now you have tied in the porch roof addition to the house.
Integrating the new room seamlessly into the footprint of your home signals quality craftsmanship in the event of a sale.
Make sure the 2x4 joists are turned so the boards narrow edge faces the floor of the porch.
Step 4 position the rafters on top of the sill plate.
One important decision when designing your new screened porch addition is where to attach the structure to your existing home.
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Divide that number by the length of the tabs.
Attach a sill plate to the house between the two side supports of the porch.
Roof boards so use 3 4 in thick spacer blocks to raise the line to the correct tie in framing height.
Above the porch framing to compensate for the difference in thickness of the 3 4 in.
For a screened porch that looks original to the house the best option is to tie into the pre existing roof.
Measure your roof from the bottom to the top of your porch roof plus one row your last shingles will slide under your home s shingles.
The edge of the roof of the house and the frame to the porch should be seamless now.