Framing Rafters For Metal Roof

In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face.

Framing rafters for metal roof.

Steel trusses offer increased strength faster installation and a longer life compared to wood frame pole barn trusses. Pre welded purlin cups predrilled bolt holes and included mounting hardware for fast easy installation. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall.

Rafter layout with a framing square. Framing a roof is the last step in framing new construction. We provide angle iron steel trusses in gable lean to and header styles. While decking is not required for a metal roof and is often not used for shops barns or other outbuildings if a metal roof is being put onto a home or a garage the use of decking is common.

The boards creating the slope of the roof are wider than lumber used to build trusses 2x8s 2x10s and 2x12s are most common in rafters vs. 12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch. Position the square with both the 8 inch on the outside edge of the tongue and the 12 inch on the blade on the upper edge of the board. Aegis ultra span roof trusses have set a new standard in the cold formed steel industry by offering the greatest versatility coupled with the greatest strength per pound.

The plywood covers the entire roof and is solidly attached to the rafters providing a sturdy base for both insulation and metal roofing panels. 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. When you have the ability to offer a roof truss in anything from a mansard to a clear span of over 80 feet you know you are the industry leader. All come with 16 overhang past post.