Roof style tie in 2.
Tie in screened porch to roof.
If it comes out to an odd number like 7 5 adjust the spacing to make it 8 rows.
Roof boards so use 3 4 in thick spacer blocks to raise the line to the correct tie in framing height.
This gives you the number of rows of shingles you will need.
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.
Sep 12 2020 explore peter baker s board roof tie in on pinterest.
Divide that number by the length of the tabs.
This may be an additional expense but it also has the benefit of increasing property values.
Step 4 position the rafters on top of the sill plate.
Integrating the new room seamlessly into the footprint of your home signals quality craftsmanship in the event of a sale.
Do this by using a taut string line or a long straight board.
The edge of the roof of the house and the frame to the porch should be seamless now.
Now you have tied in the porch roof addition to the house.
Install the 2x4 joists with some screws and brackets to the house edge.
For a screened porch that looks original to the house the best option is to tie into the pre existing roof.
To prevent this problem we sometimes install up sized canti levered lvl ridge beams to carry some of the new loads down to the wall plates.
Remember to raise the tie in framing on the existing house roof in.
Make sure the 2x4 joists are turned so the boards narrow edge faces the floor of the porch.
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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.
One important decision when designing your new screened porch addition is where to attach the structure to your existing home.
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.
Attach a sill plate to the house between the two side supports of the porch.
Roof tie in sidewall or detached.
In most situations a roof tie in connection is more elaborate than a sidewall connection pictured above.
Above the porch framing to compensate for the difference in thickness of the 3 4 in.