Look everywhere there is a seam like at the corner of your slide outs where the air conditioner and ceiling vents come out of the roof at the windows etc.
Caulking rv corners.
Dry off the water thoroughly.
First make sure that there is no rain or snow when you re caulking.
A strip of rv putty is laid over the joint and the trim is screwed on.
Thanks for watching links below to.
The only way to do a professional caulk job on your rv not the roof but the sides is to.
After that clean your rv with water and soap.
As time goes by the putty gets squeezed out the black dirty stuff oozing around corners and window trim for example.
Demonstration video how to caulk an rv in the real world.
In this rv diy video host mark polk with rv education 101 demonstrates how to reseal rv corner molding using seal tite corner seal.
Since filming this vid.
Just make sure to check your seals often and replace the caulk when it needs replacing.
Put the rv roof caulk into the gun and cut the tip off the tube of the caulk.
No gimmicks just straight shooting advice form an honest source.
Just follow these rv caulking tips.
The answer depends on the elements your rv is exposed to and the type of caulk you use.