Framing Shed Raftersfor Metal Roof

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.

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. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black. Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. Cut all the components after double checking all the measurements.

Now build the remaining roof rafters using the original rafter template and the jig on the shed floor. 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. This allows the panels to be securely attached to the rafters for maximum stability.

Don t forget to enhance the rigidity of the joints by installing 1 2 plywood gussets. 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. Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center. Rafter spacing depends on the roofing panel size.

For light load roofs 24 o c. 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. All come with 16 overhang past post.

Skillion shed style roof framing. For heavy loads 2x4s can span up to 5. You then have rafters running down from this ridge board and resting on the top wall plates. If you plan to have eaves to protect the shed walls make sure you add the extra length when measuring the rafters.

Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang. Test the rafter assembly by standing it up and lining it up with the edges of the shed floor. Install the gussets on both sides of all the rafters except for the gable end rafters.