They make a silicon caulk remover to loosen it up true value hardware store carries it as i am sure most home stores do.
How to remove rv roof caulk.
If you have a rubber roof i don t think i would try it.
Follow the inspection and maintenance intervals in your rv owner s manual and reseal any potential damage with a sealant compatible with yor rv roofing material and your rv roof will last for many trouble free years.
Caulking over old caulk is like lipstick on a pig.
You can scorch your sidewalls roof cause delamination of the side walls and or catch the house on fire.
Clean up prior to replacing the sealant was done with a solvent for the old caulk.
Do this once the roof is completely dry.
Then rinse it well using a wet sponge.
You can consider any of these simple methods to get rid of the set and dried sealant especially if you need to reapply the sealant or you have made a mistake.
Some of them recommend using a putty knife that can remove the roof sealant.
Clean with a cloth soaked with a type of denatured alcohol as a final process.
Although this project tested our patience and stamina we know t.
Others can suggest using a heat gun to take it out.
Use a roof cleaner specifically designed for rvs.
A torch and a putty knife one way to remove old sealant is to take a hand held butane torch and heat up your putty knife.
Spray it on a clean rag and then wipe it over the old sealant to remove any remaining caulk left behind by your scraper.
But you asked for the easiest way.
Having a wide smooth blade made it easy to prevent gouging the roof material yet removed the old sealant right down to the aluminium surface.
The heated putty knife should cut through the caulk with ease.
In this video we begin tackling the monumental project of resealing the exterior of the rv.
I use plastic scraper and round plastic kitchen scrubbies work good too preventing a lot of scratches to the finish.
By oscillating back and forth the machine made gentle cutting strokes that loosened the caulk.
