Butyl-rubber caulk: This group of caulks works ... This makes it great for jobs underground and on the roof. Butyl caulk also works well on aluminum siding. Although butyl caulk can be painted ...

Do not use acrylic latex caulk in areas where movement or moisture are abundant. Choose butyl rubber caulk for repairing gutters and sealing around chimney flashings or in other exterior ...

We may earn commission if you buy from a link. Why Trust Us? Caulk is used to create a waterproof or insulating seal between building materials. Examples where caulk is used to fill a gap include ...