Different types of caulking

calewjohnson wrote:

Old-Biscuit wrote:

westend wrote:
I would remove the silicone caulk down to the finished surface and use the Proflex or other polymer sealants. Silicone is going to fail when exposed to the the weather, there just isn't any other thing to be said about it. It will also be difficult to bond any new silicone to the original.

Silicone sealants are excellent when bonding to surfaces in compression like a crankcase pan, a valve cover, or any other place where compression comes into play and not exposed to weather.

Once silicone has been used nothing..not even silicone.......will stick,

Unless you thoroughly clean area with a silicone remover (solvent).

What kind of solvent would be safe for the sides of the trailer (without damaging the fiberglass)?

Cale

3M makes an excellent silicone remover. Apply it and allow it to soften the silicone, it will fall off. I would follow that up with mineral spirits to remove the residue.

I have no idea why your mfg. would use silicone as a sealant unless their equipment is set up for that and they are resisting changing it out.