Both surfaces must be supported.
Check the material on each side of the gap. A match on only one side is not enough.
Sealant finder
Choose the surface on each side. We will narrow the options and flag the checks that matter before you buy.
Joint specimen / live
Product guide
Compare listed surfaces, paintability, primer needs, movement and water limits before you choose a tube.
Browse products →Check the material on each side of the gap. A match on only one side is not enough.
Water, movement, paint, temperature and joint size can all change the right answer.
Read the current product instructions for cleaning, primer, joint depth and curing time.