Lean To Rafter Spacing For Metal Roof

If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center.

Lean to rafter spacing for metal roof.

For standard shed roof rafter spacing see rafter span chart. The roofing is manufactured in panels that. Rafter spacing is based on the width of the metal roofing panels. 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.

For instance 2 grade 2x4s at 16 on center will span just over 9. 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. For heavy loads 2x4s can span up to 5. The spacing between rafters in a given building is part of the engineering calculations that determine the required structure of the roof.

Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. 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. Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. For light load roofs 24 o c.

Wider panels allow for greater spacing between rafters. 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. A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel. Tin roofing also known as metal roofing is considered more durable than composition or wood shingles.

There is no standard spacing it depends on what size of rafters you want to use and the span of your shed. 2 4 rafters can span up to 7. Other relevant factors include the type of wood being used for the rafters the size of the rafters and the load that the rafters need to support. Installing wood stripping under a tin roof.