Roof Sheathing Detail

Chapter 9 4 wood.

Roof sheathing detail.

It is an excellent choice for light frame wall and roof assemblies in weather protected applications. It spans the rafters to support the roofing and in the case of panel sheathing such as plywood or osb it acts as a diaphragm with the walls to resist horizontal loads. Roof sheathing products like gp s thermostat osb roofing boards and plytanium plywood roof sheathing provide heat and moisture resistant properties. The trusses and beams of the roof give the roof its initial pitch and structure and then the sheathing is applied so the actual underlayment and roof covering can be applied.

Roof detail roofing. For a dimension see table 3 1. Detailing for performance roof detail clipped eave figure 9 2. Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof.

It adds proven performance and durability to new homes room additions and renovations. When the roof sheathing is used as a structural diaphragm as it typically is in high wind and seismic hazard areas the structural integrity of the diaphragm can be compromised by a continuous vent see figure a below. Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain. Also the roof sheathing working in conjunction with the roof framing must function as a diaphragm to transfer lateral loads to the building s shear walls.

Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away. Read on to learn the 3 top tips for seam sealing and transitional details. Detailing for performance chapter 9 5 rake at wall exterior. Roof sheathing is the material that goes on top of your roofing structure including the trusses and beams that the roofing system is constructed on.

More product details close. The roof sheathing supports gravity loads such as the roof live load snow load and vertical uplift loads created by wind pressures. Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.

Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet integrated sheathing or housewrap white paper zip system brand brochure.