The only way to do a professional caulk job on your rv not the roof but the sides is to.
Caulking rv corners.
Just make sure to check your seals often and replace the caulk when it needs replacing.
Look for the cracks and holes on the roof and then pull out your caulking gun.
Demonstration video how to caulk an rv in the real world.
After that clean your rv with water and soap.
Put the rv roof caulk into the gun and cut the tip off the tube of the caulk.
Thanks for watching links below to.
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.
Dry off the water thoroughly.
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.
In typical rv construction siding and roof sheeting edges are simply butted together and fastened to the frame usually just with staples.
First make sure that there is no rain or snow when you re caulking.
No gimmicks just straight shooting advice form an honest source.
Just follow these rv caulking tips.
A strip of rv putty is laid over the joint and the trim is screwed on.