Framing Shed Raftersfor Metal Roof

For heavy loads 2x4s can span up to 5.

Framing shed raftersfor metal roof.

When placing rafters for a tin roof also frequently referred to as corrugated metal or steel it is common to set the distance between rafters based on the size of the roofing panels. The skillion and shed style roofs are framed with a single slope 2 4 or 2 6 or thicker rafters spanning from the low wall to the high wall. All come with 16 overhang past post. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black.

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. Cut all the components after double checking all the measurements. 2 4 rafters can span up to 7. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center.

Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center. Test the rafter assembly by standing it up and lining it up with the edges of the shed floor. A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line. Install the gussets on both sides of all the rafters except for the gable end rafters.

12 50 a foot up to 20 14 95 a foot over 20 we stock 24 30 and 40 gable trusses and 12 lean to trusses. For light load roofs 24 o c. 12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch. Place a nail every three inches along the edges of the gusset.

Now build the remaining roof rafters using the original rafter template and the jig on the shed floor. If you plan to have eaves to protect the shed walls make sure you add the extra length when measuring the rafters. This allows the panels to be securely attached to the rafters for maximum stability. You then have rafters running down from this ridge board and resting on the top wall plates.

Afterwards align the rafters at both ends and assemble the trusses on a perfectly level surface. Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang. Spacing your 2 4 shed rafters at 24 on center limits the width of your roof.