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Product Details

Sikaflex 201 US is a one-component polyurethane with great elasticity. This flexible all purpose sealant is formulated for applications that require significant joint movement.

Info & Guides

Sikaflex 201US sealant offers maximum expansion and contraction of +/- 25%.

A 2-4 hour tack free time allows for ample tooling time for large jobs.

Sikaflex-201US is weather resistant, sandable, paintable and NSF approved for potable water and incidental food contact.


Exterior lap seams, rivet seams, exposed/concealed joints of aluminum, steel, steel coated metals, wood, roof, rails, door hinges, and expansion joints.


Aluminum, steel, wood, glass, FRP, SMC, RIM, pre-painted metals, ZINCALUME, Zincgrip and aluminized steel, siliconized polyester painted metals - many without primers.