Sikaflex-221 is a high-quality multi purpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.



Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.


Characteristics and Advantages

1-C formulation


Low odor

Resistant to aging and weathering exposure


Can be overpainted

Can be sanded


White, Black, Aluminum gray, Colonial White


300 ml cartridge, 300 ml unipac, 600 ml unipac, 4.5 gal pail, 50 gal drum

Sikaflex 221
Download MSDS

Sikaflex 265 is a high-performance elastic gap-filling one-part polyurethane adhesive that cures on exposure to atmospheric moisture to form a durable elastomer. Sikaflex 265 is manufactured in accordance with the ISO 9001/14001 quality assurance system.


Product benefits:

one-part formulation

low odour

excellent working characteristics

fast cure time

resistant to ageing and weathering

solvent- and PVC-free

equally suitable for manual application and bulk dispensing

Sikaflex 265
Download MSDS