How Caulks And Sealants Are Used In The Modern-Day Construction Industry
A trip to your local home improvement store can be an overwhelming experience for the average person, especially if you’re trying to figure out which caulks and sealants to use for your exterior home improvement project. Unlike the interior, the exterior faces high UV exposure, extreme temperatures and the requirement to stay 100% waterproof.
When you’re dealing with silicone caulks, you have a non-paintable surface, with poor UV performance. Although water based and latex caulks have good paintability, they also have high shrinkage, poor elasticity and poor UV performance. Synthetic-rubber (polyurethane) sealants and tri-polymer sealants (silyl terminated polyether sealants) can do it all: paintable, great moisture sealing, no or low shrinkage, and very good UV resistance. Many are also pre-tinted in popular colors. These include the popular NP1 (polyurethane sealant), Sonolastic 150 VLM, and Novalink sealants.
All of these sealant and caulk materials are heavily advertised and marketed with super flashy packaging, labels and all kinds of fancy logos. If you’re...