For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
Open beam metal porch roof.
Proper roof ventilation is an important aspect of home construction.
Step 1 determine the load per square foot that the roof must support.
Porch roof ventilation options.
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.
Of course all of these solutions are a little more expensive than simply nailing 2 x 10s to the sides of your existing posts.
They also can be boxed in with wood after installation.
Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
See more ideas about house exterior porch columns house with porch.
Roof vents help make a home more energy efficient and allow humidity and hot air to escape the.