Our favorite was the DAP Dynaflex 230 Premium Elastomeric Sealant, which is easy to apply, resists cracking, and, best of all, works on most wood materials. Exterior caulk is designed to seal ...

Silicone formulas, like GE Supreme Silicone caulk, provide a stronger seal against moisture, but latex tends to be easier to work with. DAP Kwik Seal Plus combines both types of products to create ...