White Lightning® Caulk is the preferred choice of building industry professionals and DIY enthusiasts for almost a century. As a market leader in lab-verified, premium performance, we offer a comprehensive range of caulk and sealants to meet the needs of every project. Whether you require all-purpose caulks and sealants or ones specifically formulated for windows & doors or kitchens & baths, White Lightning® has the perfect solution.

Our sealants boast a silky smooth texture that can be effortlessly finished for a professional look. With our special filling process, air gaps and bubbles are eliminated, thanks to our non-slump formula. The extra-firm consistency of our sealants prevents sagging or running before tooling.

Additionally, our caulks and sealants are paintable, making it easy to achieve a flawless finish. They contain UV stabilizers to prevent fading and yellowing, and thanks to their premium performance and smooth application, re-work isn't necessary. White Lightning® STORM BLASTER® is our featured product, an exceptional super-elastomeric sealant specifically designed for extreme weather conditions.

It provides excellent adhesion, even when applied to cold or wet surfaces. Explore our website to discover more information about our products and projects. Download our product catalog to choose the perfect White Lightning® products for your next venture.

Use our retail locator to find your nearest store and get in touch with them for availability. Join our exclusive product lab team to be among the first to test our newest White Lightning® products. Apply now and be a part of our research