Steel Roof Framing Plan Details

And the line length measurement from the roof peak to the building wall is the hypotenuse.

Steel roof framing plan details.

8 x24 lean to roof plan. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Showed that the zinc coating on steel framing materials can protect against corrosion for hundreds of years. 3 inch rise per 12 run is a 3 12 pitch roof.

10 x24 lean to roof plan. In the u s it is defined by the rise in inches to a 12 run. 12 x24 lean to roof plan. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is.

The rise or height of the roof at its peak is the altitude of the triangle. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage.

Lsf products are cold formed structural members used as studs joists rafters purlins and girts and in assemblies such as steel roof trusses and panelized walls. The run or half the building span is the base of the triangle. Vertical rise over horizontal run. Standard details for metal roofing siding post frame and residential structures distributed by.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Best materials ph. For these reasons and many others the use of steel framing continues to grow every year with more than 40 of commercial structures now using steel framing and with nearly 500 000 homes built with steel framing over the past decade. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.

To cut individual steel studs and tracks use straight cut aviation snips photo 1. 4 12 through 9 12 are the most common pitches.