Remove shingles in a 2 to 3 ft wide section as you work down the roof.
Removing old roof shingles.
Ensure that the materials for the new roof are ready and on site.
Other advantages are that you end up with an extra barrier against leakage and a little extra insulation.
You will want to start from one side of your roof and work your way to the other side.
Chances are the nails that will be securely seated in the wood so a bit of force will be needed with a twisting motion of the roofing shovel or spade.
Stripping away the old roof more expensive because of the additional labor and materials peeling off the old roof down to the sheathing is your only option if you already have two layers.
How to remove old asphalt shingles before putting on a new roof 1.
If you re in doubt an experienced contractor can.
Work from the top bottom and sides to save back muscles.
One square foot of roofing area.
Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof.
We figure one unskilled worker can remove about 100 square feet of asphalt shingles per hour.
Push the shingles down to the roof jacks.
It doesn t matter where you start or stop.
Determine if the existing shingles need to be removed.
That includes stripping 2 or 3 layers of shingles plus flashing and drip edge tossing them into a dump truck or dumpster and removing or hammering down any protruding nails.
Remove the old shingles with tear off shovels.
Remove the shingles in layers as you work your way up the roof.
That way the roof will be left exposed.
How to tear shingles off a roof 1.
Set it up so that loose singles can slide down the roof and.
Construction demolition unit cost for removing 3 tab asphalt roof shingles.
Tools you will need for roofing from amazon bostitch coil nailer https amzn to 2u1v8e2 shingle remover https amzn to 2fzu5wf roof snake https amzn to 2.
Position a construction trash bin beside the building.
Clean the roof with a push broom and remove or pound in any remaining fasteners.
The main advantage of leaving the old roof on is obvious you can minimize the mess removal costs and disposal expense if you can leave the old shingles in place.