Rafter Spacing For Metal Roof

You have to take the width of your roofing panel into the considerations.

Rafter spacing for metal roof.

Keep it at 24. For light load roofs 24 o c. Wider panels allow for greater spacing between rafters. A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel.

The most common measurement used for rafter spacing is either 16 or 24 inches. Determining rafter s spacing is as important as setting the metal roof purlins spacing. Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. For heavy loads 2x4s can span up to 5.

The same concept holds true for roof trusses. Common spacing for trusses on this type of building is often between 2 and 4 feet but trusses built with advanced designs may allow spacing as great as 8 or 12 feet. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Posted in metal roof roof types.

Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center. It is always better to have a large rafter rather than be concerned with a sagging roof. Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes. Rafter spacing is based on the width of the metal roofing panels.

So the space between rafters can be greater without reducing the maximum span. Rafter spacing for metal roof.