You can tap them with a cold chisel and hammer to remove them from concrete brick or metal but that strategy is too drastic for removal from vinyl or glass.
How to remove roofing cement from brick.
The other solution if it is a large area is a larger sand blaster.
Hold the chisel so that it is nearly parallel to the brick.
Brick you take off.
How to remove roofing tar hunker.
A better alternative is to soak the chunks with a soap solution to lubricate them then gently work a smooth edged flexible metal putty knife behind each one and gently pry it.
Use a rag to remove any remaining residue.
Apply the citrus based solvents first.
Step 2 soften the construction adhesive.
Scrape until all the old caulk is removed.
Older or weathered brick tends to be less sturdy than fresh brick.
These solvents are among the safest to use.
Take a scraper and scrape away the caulk carefully so as not to damage the brick.
Trying to scrape away or chisel hardened construction off brick can damage the brick regardless of its age.
Take care when.
Wet a soft cloth with the petroleum based solvent and rub it on the stain until it is gone.
How to clean dried cement off bricks hunker.
If the object is a dyed fabric test a small area for.
Tap the chisel lightly but sharply.
Concrete film or concrete residue is a pain to rem.
Sand blasting works well because usually the old tar is somewhat hard and this is what you want not to soften it the brick will soak it up like a sponge and it will never come out.
Prior to it drying use a metal putty knife and scrape it off of the brick.