Sika® provides a complete range of high-quality butyl tapes, butyl caulk, polyurethanes, silicones and structural adhesive products for metal building, tank and grain bin construction on site or in the factory. Sika products are known for their ease of application, durability, and performance and can handle the most demanding metal construction applications. Sikaflex® and SikaLastomer® adhesives and sealants have been tested and certified to multiple ASTM and Industry standard requirements.