Roofing Using 2x4

If you have a simple gable shed roof then using 2 4 rafters makes more sense unless you have a very large shed.

Roofing using 2x4.

There is a chance of damaging roofing sheets if you are failed to do so. Built on 4 12 pitch roof with 1 2 ply decking and shingles. 2 pieces 2x4 x10 feet boards pressure treated. The width of metal panels will determine the rafter spacing.

Without even running the calculations i would say there is a good chance the 2 4 purlins will not make the deflection criteria required for a roof framing member supporting steel. Rafters are on 2 ft spacing. Measure each section of the roof from side to side parallel to the line of the fascia board. In bending 2 4 2 purlins would work at 12 on center however i personally would not want to walk on top of them.

5 pieces 2x4 x12 feet boards pressure treated. 2 pieces 12 feet aluminum. The metal roof purlins spacing must be done correctly within narrow tolerances. The wider the roofing panels the greater spacing distance you should put.

60 pieces 2x4 x12 feet boards. Floor joist on 16 inch centers. For roofs that will experience heavy snow or wind and will span the same distance use 2 6 rafters. Access the roof using an extension ladder.

For roofs that won t experience heavy snow loads a gable roof can span up to 22 with 2 4 rafters. 1 3 of the way from each in to keep it from spreading from snow load. For this example a section of roof is 20 feet wide. Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the roofing material calculator.

I put 2 2x4 joist about. Rafters to 2x4 with joist hangers. Front and sides will sit on deck on a 2x4 wall with studs 24 oc and screened in. 2x4 x8 feet boards.

One foot overhang so could say 11x16. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.