Rafter Spacing For Metal Roof

The same concept holds true for roof trusses.

Rafter spacing for metal roof. Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Keep it at 24. A metal roof must also allow for some overlap on each side of the panels which will reduce the effective width of the panel.

So the space between rafters can be greater without reducing the maximum span. It is always better to have a large rafter rather than be concerned with a sagging roof. Rafter spacing for metal roof. Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.

Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. Determining rafter s spacing is as important as setting the metal roof purlins spacing. Do not use pressure treat wood for the purlins it will eat up the metal roofing and screws. Wider panels allow for greater spacing between rafters.

Posted in metal roof roof types. You have to take the width of your roofing panel into the considerations. For light load roofs 24 o c. 2 4 rafters can span up to 7.

The most common measurement used for rafter spacing is either 16 or 24 inches. Never seen anyone use 2 x 4 s always 1 x 4 s.