MSCSIKAFLEX-70
Sikaflex-1a
Sikaflex-1a is a premium-grade, high-performance, moisture-cured, one-component polyurethane-based, non-
sag elastomeric sealant used in certain Sika Sarnafil roofing or waterproofing system flashing details.
Typical applications include wall, curb and drain terminations. It is also used as a sealant at pipe
penetrations and under certain metal flashings.
Features
Sikaflex-1a bonds well to Sika Sarnafil PVC membranes and to common building materials. It is easy to apply and has excellent workability characteristics.
Sikaflex-1a is USDA-approved, NSF-approved for potable water contact, jet fuel resistant and has high elasticity curing to a tough, durable, flexible consistency with exceptional cut and tear resistance. It meets Federal Specification TT-S-0023C, Type II, Class A. It is paintable with water-, oil- and rubber-based paints.
Sikaflex-1a is VOC compliant in California and has excellent weatherability and resistance to degradation by ultraviolet light.
MSDS: Download Sikaflex® - 1a Material Safety Data Sheet (MSDS)