How To Remove A Roof To The Sheathing

Cut out and replace damaged sections as needed.

How to remove a roof to the sheathing.

Pry the edge of the sheathing from the roof rafters while standing on an adjacent sheet. Use the tape measure to measure the area for the new roof. All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment. Up the roof past the exterior walls so you may need two rows on homes with wide soffits.

When you are done the rafters of the home will be exposed. Although the plywood typically lasts longer than most shingles and roof coverings leaks can cause them to rot. Mold remediation contractors use a variety of techniques to address attic mold growth including dry ice blasting hand sanding and encapsulation. The roof sheathing you are replacing needs to be sized to fit the open area.

One way to remove the sheathing is to go at the nails with a cat s paw but that takes a lot of time and causes a lot of damage to the sheathing. Be sure to use new sheathing that s the same thickness as the old. When sheathing is exposed to moisture frequently there is always a chance it will decay or develop wood rot. Move the pry bar down the rafter to remove the nails if you can t pull the sheathing up by hand after.

In this video i show how to replace rotten plywood on your roof without breaking your back. These thin sheets of wood absorb moisture when exposed to it through excess condensation or a roof leak. Code usually calls for it to project at least 2 ft. Lengths remove the backing and adhere the sticky side to the roof sheathing along eave edges.

Toss the waste material to the side. Cut ice and water barrier to about 8 ft. Overlap ends at least 6 in. Step 4 the new roof sheathing.

Remove the wood from the roof using the longer pry bar to assist you. Rotted plywood is identifiable by sinking areas of the roof or visible leaks. I am using a 7 16 osb sheathing that i got from lowe s. The first two are effective though often cost prohibitive.

Removing mold growth from roof sheathing. When removing a damaged section center the cuts over the rafters so you can nail the new sheathing to the rafters.