In some cases you can get away with that but if your roof already has two layers of.
Removing old roof shingles.
Work from the top bottom and sides to save back muscles.
Pry off old roof shingles with pitch fork.
If you re keeping the old metal flashing carefully remove nails and bend it upward off the shingles with a pry bar.
Besides being tripping hazards they can work through and damage the new shingles.
Leah from see jane drill demonstrates how to use an ordinary pitchfork to tear off an old roof.
Cover roof deck with 30 pound felt underlayment.
Remove the old shingles with tear off shovels.
Nail down loose roof sheathing to rafters.
The shark tip is shaped perfectly for slipping under the nail head.
You can get in there and do the surgical removal of a few shingles.
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Staple felt every 6 to 8 inches.
Some shingle manufacturers limited warranty coverage may require the old layer be removed.
Construction demolition unit cost for removing 3 tab asphalt roof shingles.
Once it s out of the way pull any nails and remove any shingles and underlayment that are underneath.
If the broken piece is lost cut a new piece to fit the existing shingle.
The goal is to provide a reasonably flat surface for the new shingles to lie over with no gaps greater than 1 2 inch.
An underlying old shingle layer may affect those roof performance properties.
Some shingle properties for example impact resistance may have only been evaluated on shingles applied directly to the deck.
The dasco is also nice for those moments where you need to remove a few damaged shingles without hurting the surrounding ones.
In this video this old house general contractor tom silva explains how to reshingle a roof steps.
Then you just pry up and life the nail head u so you can release the old shingle.
It doesn t matter where you start or stop.
That includes stripping 2 or 3 layers of shingles plus flashing and drip edge tossing them into a dump truck or.
Be careful not to damage the flashing.
We figure one unskilled worker can remove about 100 square feet of asphalt shingles per hour.
Clean the roof with a push broom and remove or pound in any remaining fasteners.
Removing asphalt shingles is a big job and you might be temped simply to lay the new roof over the old one.