Removing Old Roof Shingles

We figure one unskilled worker can remove about 100 square feet of asphalt shingles per hour.

Removing old roof shingles.

Once it s out of the way pull any nails and remove any shingles and underlayment that are underneath. Cover roof deck with 30 pound felt underlayment. Nail down loose roof sheathing to rafters. It doesn t matter where you start or stop.

Some shingle properties for example impact resistance may have only been evaluated on shingles applied directly to the deck. Leah from see jane drill demonstrates how to use an ordinary pitchfork to tear off an old roof. An underlying old shingle layer may affect those roof performance properties. If you re keeping the old metal flashing carefully remove nails and bend it upward off the shingles with a pry bar.

You can get in there and do the surgical removal of a few shingles. In this video this old house general contractor tom silva explains how to reshingle a roof steps. The shark tip is shaped perfectly for slipping under the nail head. The goal is to provide a reasonably flat surface for the new shingles to lie over with no gaps greater than 1 2 inch.

Besides being tripping hazards they can work through and damage the new shingles. In some cases you can get away with that but if your roof already has two layers of. Skylight and chimney flashings are often worth saving if they re in good condition. Be careful not to damage the flashing.

One square foot of roofing area. Then you just pry up and life the nail head u so you can release the old shingle. Removing asphalt shingles is a big job and you might be temped simply to lay the new roof over the old one. Construction demolition unit cost for removing 3 tab asphalt roof shingles.

Some shingle manufacturers limited warranty coverage may require the old layer be removed. If a shingle is torn or cracked glue the broken piece back in place using roofing cement. That includes stripping 2 or 3 layers of shingles plus flashing and drip edge tossing them into a dump truck or. Support see jane drill by shopping on amazon through our link.

Clean the roof with a push broom and remove or pound in any remaining fasteners. Work from the top bottom and sides to save back muscles. If the broken piece is lost cut a new piece to fit the existing shingle. Pry off old roof shingles with pitch fork.