What Is The Best Caulk For Exterior Use - All structures shift at least a little bit. When the snow falls, when the wind blows, when the humidity rises, or the temperature spikes, there will be some expansion and contraction. You need to choose a sealant that moves with the joint, and the flexibility you get with ordinary latex caulk is just not enough.
All structures shift at least a little bit. You need to choose a sealant that moves with the joint, and the flexibility you get with ordinary latex caulk is just not enough. When the snow falls, when the wind blows, when the humidity rises, or the temperature spikes, there will be some expansion and contraction.