You have to do it thoroughly so that the rafters sit flush on it.
How to support porch with exposed beams and metal roof.
We show you how both a typical rafter style porch and truss roof area constructed.
With the first porch roof support in position you can then continue to work along the porch.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
The figures are based on quality materials.
Metal beams could also be used and would eliminate the need for most of the supporting posts across the front of your porch.
Beams can be solid lumber or be built from lengths of 2 by lumber nailed together with 1 2 inch pressure treated plywood spacers in between this forms a 3 1 2 inch thick beam that is equal to the width of a 4 by post.
The tables below give maximum spans for rafters and beams.
A flitch plate is a metal plate sandwiched between two framing members such as 2 x 10s.
In this way you can continue your floor beam structural posts all the way from the basement up to the roof beam.
You will need to make sure that each of the posts is plumb.
They also can be boxed in with wood after installation.
A post for each story sits on the floor surface up to support the floor beam above it.
Apr 26 2018 explore christina romero s board porch beams followed by 132 people on pinterest.
See more ideas about house exterior porch columns house with porch.
Building a porch roof requires basic carpentry and porch roof framing knowledge.
After that to make it flush with the roof of the existing house cut the two outer rafters.
It is not a continuous post however.
Attach the horizontal beam by using a nail gun.
We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
The next post sits atop this floor beam directly above the lower post and runs up to the next floor beam or to the roof beam.