It would be crazy to try to save that old felt paper.
Remove old roof felt.
Apply pressure and chisel away at it until it comes loose.
Work from the top bottom and sides to save back muscles.
Actually i attended a roof seminar 10 yrs ago or so and they stressed removing the old felt their theory was the old felt acts like a dry sponge and removes the good properties from the new application.
But if you see rust and cracks in the metal replace it.
Roofing tar also called mastic or cement plays an important role in roofing repair and installation.
If you re going to add a roof on top of an old one it s a good idea to remove any loose shingles and apply a new layer of 30 pound roofing felt before laying the new shingles.
This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of defense against leaks after the shingles.
Call for free estimates from roofing pros now.
Excessive and improper use of the sticky stuff however can leave.
How to remove old flat roofing.
Metal in that condition won t last as long as your new roof.
If you re keeping the old metal flashing carefully remove nails and bend it upward off the shingles with a pry bar.
Install a course along the snapped line then install succeeding courses using a guide or a snapped line.
Im not sure i buy into this thinking the whole way.
Remove old felt from the roof with your hands and a putty knife.
Pull out nails that are holding felt to the roof using the sharp end of a claw.
Besides being tripping hazards they can work through and damage the new shingles.
Find a pre screened local roofing contractor.
Leaks form and the materials erode into something that is better.
Remove the old shingles with tear off shovels.
Clean the roof with a push broom and remove or pound in any remaining fasteners.
He s wondering can you just go ahead and shingle over that or should you replace the underlayment.
What to do if the old roof is not straight if the existing roof has wavy horizontal lines you can take out the waves by snapping a horizontal line 1 2 inch below the shingle bottoms of one course.
Oh you should put new felt paper on.
We got a email this week from darryl up in crosby.
He says he s re roofing an old house.
Grab loose pieces of felt and pull them off the roof with your hands.
For pieces that aren t coming loose press a putty knife underneath it.
He took the shingles off and the felt paper is still intact.
Be careful not to damage the flashing.
3 starter shingles a narrow row of asphalt roofing the starter strip is nailed to the perimeter of the roof with a bead of adhesive on top that grips the underside of the first course of shingles.