2. Butyl-rubber caulk works best on concrete, concrete block, brick, stone, gutters, flashings and chimneys. Butyl caulk is special because of its ability to be used under extremely wet conditions.

Butyl rubber caulk is extremely water resistant and flexible and adheres well to metal, brick and stone. It is very messy and never hardens completely.

Bathtub caulk can also be used for joints between kitchen countertops and walls, tubs and floors, tubs and tiles and toilets and floors. It dries very fast, so it must be forced into the joint ...

Q—-The caulking on the exterior of my 6-year-old house is cracking. I could caulk over the existing caulk but the additional build-up would make the windows less attractive. Is there an easy … ...