Roof Sheathing Plan

When sheathing a roof the first step is to snap a line so that the first row goes on straight.

Roof sheathing plan.

Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. 1 2 ply roof sheathing rafters ceil. The skeleton of a roof is formed with rafters or trusses generally spaced 16 inches or 24 inches apart from the center of one rafter to the center of the next. 3 layer built up roofing material hot mop between ea.

Common roof sheathing applications and installation recommendations are described in the related publications listed at right. This is because a steep sloped roof requires a taller chimney and more lumber for framing. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light commercial construction and every piece meets the highest grading standards for strength and appearance. It adds proven performance and durability to new homes room additions and renovations.

Use panels no smaller than 4 feet long. The point at which all the rafters are attached to. Roof sheathing provides an area where the surface material can be attached but it also helps keep the trusses and or rafters properly spaced. This opens the door to the possibility of water damage by letting gravity work against you.

A 12 in 12 roof can cost up to 50 more than a 4 in 12 roof. Sheathing sheathing is a. Common roof sheathing materials include several types which are chosen depending on the budget and weather conditions of the area. Wall assemblies shall extend from the foundation to the underside of the roof sheathing although wall assemblies need not extend through attic spaces where the ceiling is protected by not less than 5 8 inch type x gypsum board an attic draft stop is provided above and along the wall assembly separating the dwellings and the structural framing supporting the ceiling is protected by not less than inch gypsum board or equivalent.

Parts of a roof a ridge board is a horizontal member of the roof frame. Sheathing is installed over multiple trusses rafters so it essentially turns them into one cohesive unit instead of individual structural members. Transfers the load of the roof through the raftersto walls below. Sheathing works with other components of the roof as well.

But if you snap it at 40 inches then the sheathing will not project over the subfascia or true fascia. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings. However the end result may be well worth it as your roofing material is estimated to last up to 50 longer and will require less maintenance. Jst 12 16 or 24 o c 10 batt insulation r 30 min w 2 air space above solid block w 3 1 dia screened holes for air flow fascia solid block extra plate to provide slope to roof.