Roof Sheeting Wood

Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.

Roof sheeting wood.

Plywood is made with three or more layers of thin wood glued together with the grain alternating. The traditional way to lay wood shakes and shingles on spaced sheathing was ideal for wood roof longevity but it has largely fallen by the wayside. 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. Wood is an excellent insulator and in moderate climates no additional rigid insulation on the roof is necessary.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Commonly used as roof sheathing where a ceiling will not be installed and they will be visible from inside the house such as across beams in a vaulted ceiling. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. 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.

In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Lowering attic temperatures improving moisture performance and delivering outstanding performance is all in a day s work for roof sheathing from georgia pacific. It is typically made in 4 by 8 foot sheets although longer panels are available for special purposes. Before lumber companies began selling osb the standard choice for sheathing a roof with a 24 inch rafter spacing was 1 2 inch cdx plywood the letters cdx indicate that it is construction grade.

Spaced sheathing is especially beneficial in warm high moisture climates since the gaps in the substrate allow the shakes or shingles to dry out from both sides. At the top of our game. With edge support and the same snow load 3 8 inch osb can be used.