Roof Sheathing Type

Made up of multiple layers of wood strands compressed at odd angles to each other and bound.

Roof sheathing type.

Wall sheathing is primarily a structural material. Roof sheathing materials plywood. Zip system panels install fast and stay flat for a roof that looks as good as it performs. It also holds roofing nails.

Oriented strand board osb is one of the most popular materials for roof sheathing. Roof sheathing may also be constructed of plywood. There are two main types of wall sheathing. Oriented strand board osb or plywood can be used although plywood will provide higher nail head pull through resistance.

Plywood is a bit more expensive than osb but is usually stronger. Required sheathing thickness for roofing important factors. Zip system sheathing and tape provides a water resistant durable underlayment for many finished roof coverings including metal tile and asphalt shingles fiberglass shingles and cedar shingles. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood.

While structural sheathing increases building stability non structural sheathing improves insulation. It is attached to the exterior wall framing and prevents walls from swaying or bending. Roof sheathing is commonly made from materials such as. Wood structural panel roof sheathing exposed to the underside shall be permitted to be of interior type bonded with exterior glue identified as exposure 1.

Use panels rated as exposure 1 or better. The most common materials for this are oriented strand board osb or plywood both. They must be covered with some type of sheathing or decking before most finishing roof materials can be applied. This type of roof sheathing is used under wood shingles and shakes which usually require ventilation on both sides of the roofing material.

Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof. Planks wood boards plywood osb oriented strand board decks. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. Open sheathing may also be chosen for economic reasons but only if used with roofing systems such as metal or tile which have the structural capacity to span between sheathing boards.

Sheathing type typically 15 32 inch or thicker panels are required in high wind areas.