Roof Deck Sheathing

Most roofs will be sheathed in plywood at least 3 8 inch thick.

Roof deck sheathing.

Common roof sheathing applications and installation recommendations are described in the related publications listed at right. Structural through fastened metal panel roof systems shall be tested in accordance. Roof sheathing or decking is one of those elements. Loads will vary with the pitch of the roof.

Additionally densdeck has been shown to withstand de lamination deterioration warping and jobsite damage more effectively than other roofing membrane substrates such as paper faced gypsum board fiber board and perlite insulation. Common roof sheathing materials include several types which are chosen depending on the budget and weather conditions of the area. 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. 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.

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. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Trust zip system roof assembly to help fortify your home against the storm. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.

Never attach roof sheathing with staples. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. The unique construction of densdeck provides excellent flute spanning that stiffens and provides increased foot traffic resistance to the roof deck. Sheathing should be a minimum of 19 32 inch thick.

Where the metal roof panel functions as the roof deck and roof covering and it provides both weather protection and support for loads the structural metal panel roof system shall comply with this section. Structural standing seam metal panel roof systems shall be tested in accordance with astm e1592 or fm 4474. To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed. 8d ring shank nails should be used instead.

Construction basics roof systems plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings. Sheathing is installed perpendicular to roof trusses.