Solid Roof Sheathing

Well here is one way to figure it out.

Solid roof sheathing.

Figure 2 47 wood shakes over spaced sheathing is shown below. This sheathing is typically to 1 cdx plywood or osb oriented strand board and comes in 4 x8 sheets. Solid sheathing is also recommended in areas subject to windblown snow. Sheathing should be a minimum of 19 32 inch thick.

Never attach roof sheathing with staples. This is required in areas of high wind or seismic activity and wherever else a solid roof diaphragm is required by code. Plywood is a bit more expensive but is usually. Solid sheathing provides a continuous surface at the plane of the roof.

Whenever your roof was first installed the nails were put into the solid wood. The typical thickness range for sheathing is 3 8 to 3 4 inch. More recently however most roofers recommend solid sheathing on the roof to give the house additional resistance to movement or shear strength. Solid sheathing required for wood roofs in high wind areas.

Lumber wasn t kiln dried so it would shrink upon drying. For economic and structural lateral load reasons. This type of substrate creates an excellent surface for properly nailing shingles. Call us today for a free estimate or roof inspection 206 367 7663 or fill out our contact form here.

Sharp roofing is seattle s roof repair and replacement experts. With shrinkage of 5 10 percent gaps of another a half inch begin appearing all over your roof. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Osb is by far the most common and the most practical when considering all factors.

How do you know if your home has board sheathing. Roof sheathing or decking is one of those elements. Roof sheathing sheeting roof sheathing is any material that is used to provide a solid surface decking or base to which roofing material is applied to. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

So anytime your board decked roof is torn off and you want to install composition shingles be sure to lay down solid sheathing first. Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing. 8d ring shank nails should be used instead. This type of sheathing is necessary for composition roofing and built up roofing which have no structural capacity themselves.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Metal tile and shingle roofing may also be applied to solid sheathing.