Sikaflex®-140 Construction → specialized joint sealant for expansion/movement joints.
Sika Boom® → expanding foam for filling and insulating voids, not a sealant or adhesive
Sikaflex -140 Construction is a high-performance polyurethane sealant formulated specifically for expansion and construction joints. Installed in a caulking gun this sealant accommodates movement while maintaining strong adhesion on porous substrates such as concrete and masonry. Resistant to UV and weathering, it ensures long-lasting protection in demanding building environments.
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