Rafter Spacing For Metal Roof Shed

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.

Rafter spacing for metal roof shed.

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

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. 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. An syp rafter can span 11. 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.

An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. If you live in an area that requires a shed roof rafter to support a heavy load then an spf rafter can only span 7. A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel. These are the strips that span perpendicular to the rafters to which you will fasten the tin or other roofing material.

Wider panels allow for greater spacing between rafters. For standard shed roof rafter spacing see rafter span chart. Let s take a look at the most common types of metal roofs for houses. A gable roof for a shed can be built with rafters with a 1 6 ridge board or using trusses.

Much depends on the structure size and the desired attic loft or headroom. Both of these are for light roof loads. If you get premium kiln dried lumber then you could span 10 5 with the same size of lumber and. For 29 gauge metal roofing spacing can be up to 30 inches between centers.

As mentioned above a 2 4 spf shed roof rafter can span 11. Rafter spacing is based on the width of the metal roofing panels. A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties. Nail the lathing securely with a minimum of two nails at each rafter being careful to keep them aligned.