Old Roof Sheathing

These 8 to 12 inch wide boards were nailed together tight.

Old roof sheathing.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. The anchor of the system that keeps water out the base onto which you nail your roofing the major part of the brace system for your trusses rafters a key piece of the stiffening system that protects your house from earthquakes and blasts of wind. 8d ring shank nails should be used instead.

After the 1960s the predominant residential roofing substrate became 1 2 cdx plywood. But can he simply install new plywood over the old. As roofing contractors in seattle we are often asked why do we need plywood over our old solid sheathing. Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle.

Never attach roof sheathing with staples. Because the plywood roof sheathing under the shingles has become brittle and weak he plans to install new plywood as well as new shingles. The new plywood thickness should be. Open spaces form between the once tightly fitted shiplap boards.

And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity. Comes in standard 4 by 8 foot sheets is strong. But you must take care to install shingles correctly so they lie flat. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

The toh pros offer up their best advice for shingling properly sniffing out leaks and knowing when it s time to reroof an old roof. Today a shiplap roof is usually 60 years old. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Roof sheathing materials plywood.

If you re in search of quotes for a roof sheathing job improvenet can put you in touch with up to four local contractors for free. Shingles stain condensation collects and high winds carry roofs wherever they please. Putting a safe roof over your head isn t necessarily a one time deal.