Roof Sheathing Type

There are two main types of wall sheathing.

Roof sheathing type.

Use panels rated as exposure 1 or better. They must be covered with some type of sheathing or decking before most finishing roof materials can be applied. Planks wood boards plywood osb oriented strand board decks. Roof sheathing may also be constructed of plywood.

Made up of multiple layers of wood strands compressed at odd angles to each other and bound. It is attached to the exterior wall framing and prevents walls from swaying or bending. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. Roof sheathing is commonly made from materials such as.

This type of roof sheathing is used under wood shingles and shakes which usually require ventilation on both sides of the roofing material. Wall sheathing is primarily a structural material. Oriented strand board osb is one of the most popular materials for roof sheathing. Plywood is a bit more expensive than osb but is usually stronger.

Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood. Required sheathing thickness for roofing important factors. Wood structural panels when designed to be permanently exposed in outdoor applications shall be of an exterior exposure durability. Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof.

Oriented strand board osb. It also holds roofing nails. The most common materials for this are oriented strand board osb or plywood both. 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.

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. Several factors must be considered when determining appropriate roof sheathing thickness such as the. While structural sheathing increases building stability non structural sheathing improves insulation. Sheathing type typically 15 32 inch or thicker panels are required in high wind areas.

Roof sheathing materials plywood.