Proper roof ventilation is an important aspect of home construction.
Open beam metal porch roof.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
For a porch roof the beam needs to be sized according to the maximum snow loads in your area and you must know enough about the porch design to determine how the load will be distributed and over what distance the beam will carry the load.
See more ideas about house exterior porch columns house with porch.
Step 1 determine the load per square foot that the roof must support.
Metal beams could also be used and would eliminate the need for most of the supporting posts across the front of your porch.
Of course all of these solutions are a little more expensive than simply nailing 2 x 10s to the sides of your existing posts.
Porch roof ventilation options.
They also can be boxed in with wood after installation.
Apr 26 2018 explore christina romero s board porch beams followed by 132 people on pinterest.