Lean To Rafter Spacing For Metal Roof

As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.

Lean to rafter spacing for metal roof.

If you ve wondered how to frame a lean to roof off a pole barn this video will show you how i did it. Let s take a look at the most common types of metal roofs for houses. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.

I cut rafters out of 2x8s frame this pole barn lean to. For heavy loads 2x4s can span up to 5. 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. In other words if there is a 1 1 2 ridge board nailed into the wall and the width of the lean to is 96 then the run will be 94 1 2 96 1 1 2 94 1 2.

Rafter spacing is based on the width of the metal roofing panels. For instance 2 grade 2x4s at 16 on center will span just over 9. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. There is no standard spacing it depends on what size of rafters you want to use and the span of your shed.

Enter this measurement into the calculator and select a roof pitch and the length of the rafter will automatically returned along with the rise. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Wider panels allow for greater spacing between rafters. If you get premium kiln dried lumber then you could span 10 5 with the same size of lumber and.

2 4 rafters can span up to 7. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. For standard shed roof rafter spacing see rafter span chart. For light load roofs 24 o c.