The original brand of pre-compressed joint sealants, constantly raises industry standards while continuing to expand around the globe. Willseal products have been specified and successfully installed on thousands of construction projects worldwide. Willseal is committed to bringing intelligent solutions to our customers by utilizing technology-driven designs to create superior sealant systems.
- Willseal products meet DIN 18542, the world’s most demanding standard, specifically for pre-compressed sealants.
- Willseal products are independently tested for water and air tightness. Independent lab results are available for ASTM 283, ASTM 330, ASTM 331 & ASTM 547.
- Willseal products are solid sealants with a uniform core, no unbonded lamination, and no cheap filler foams.
- Fire Rated Systems have a first in class integral smoke barrier to provide additional security and life safety.
- Willseal horizontal seals contain a specially designed water-barrier, laminated internally and tested to 30 psi of head pressure.
- Willseal as a company is firmly committed to environmental stewardship.
- Willseal products contain no volatile organic content (VOC), thus satisfying the LEED™ criteria for Indoor Environmental Quality