There are excellent reasons that Willseal, the original brand of pre-compressed joint sealants, constantly raises industry standards, while continuing to capture greater market share around the globe. Willseal products have been specified and successfully installed on thousands of diverse construction projects worldwide. Meeting DIN 18542, the world’s most demanding standard, specifically for pre-compressed sealants. This means they meet or exceed requirements for such important criteria as UV stability, moisture resistance, minimum fire rating, and sound attenuation. Willseal is also committed to bringing intelligent solutions to our customers, using technology-driven design to create superior sealant systems. In addition, Willseal products contain no volatile organic content (VOC), satisfying the U.S. Green Building Council's LEED™ Criteria for Indoor Environmental Quality.
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