Roof Sheathing Plan

Install sheathing panels according to the recommendations of the engineered wood association apa.

Roof sheathing plan.

Sheathing is installed over multiple trusses rafters so it essentially turns them into one cohesive unit instead of individual structural members. Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. 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. 3 layer built up roofing material hot mop between ea.

Roof sheathing provides an area where the surface material can be attached but it also helps keep the trusses and or rafters properly spaced. Parts of a roof a ridge board is a horizontal member of the roof frame. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings. The point at which all the rafters are attached to.

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. Sheathing sheathing is a. Transfers the load of the roof through the raftersto walls below. Sheathing works with other components of the roof as well.

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. It adds proven performance and durability to new homes room additions and renovations. When sheathing a roof the first step is to snap a line so that the first row goes on straight. 1 2 ply roof sheathing rafters ceil.

Common roof sheathing materials include several types which are chosen depending on the budget and weather conditions of the area. A 12 in 12 roof can cost up to 50 more than a 4 in 12 roof. To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed. Common roof sheathing applications and installation recommendations are described in the related publications listed at right.

Use panels no smaller than 4 feet long. This opens the door to the possibility of water damage by letting gravity work against you. Blocking of unsupported edges may be required near gables ridges and eaves follow design drawings. 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.