Sika - SK1A2212 - Sikaflex«-1A One Part Polyurethane, Elastomeric Sealant/Adhesive, Gray

MFG: SK1A2212
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Sika SK1A2212 - Sikaflex®-1a One Part Polyurethane, Elastomeric Sealant/Adhesive, Gray

Sikaflex®-1a is a premium-grade, high-performance, moisture-cured, one-component polyurethane-based, non-sag elastomeric sealant used in certain Sarnafil® and Sikaplan® roofing or waterproofing system details. Typical applications include wall, curb and drain terminations. It is also used as a sealant at pipe penetrations and under certain metal flashings. Sikaflex-1a can be used as a pourable sealer pocket filler.

  • Bonds well to primed Sika PVC membranes and to common building materials
  • High elasticity, cures to a tough, durable, flexible consistency with exceptional cut and tear resistance
  • Easy to apply from the cartridge and has excellent workability characteristics
  • Excellent resistance to aging and weathering
  • Odorless, non-staining

California residents: see Proposition 65 Warning

Features and Specification

Weight 1.000000
Length 12.000000
Package Height 6.000000
Shelf Life 12 Months
Service Temperature -40°F to 170°F (-40°C to 76.6°C)
Package Width 6.000000
Package Weight 1.000000
Package Length 14.000000
Width 2.000000
UV Resistant No
Viscosity CA.>20.5mm2/s at 104°F (40°C)
UL Recognized No
UL Listed No
Type Polyurethane based
Size 10.1 Ounce
Solvent No
Storage Temperature 40°F to 95°F (4.4°C to 35°C)
Tensile Strength 175 psi (1.21 MPa)
Coverage Varies depending on thickness
Color Gray
Dimensional Weight 4.000000
Cubic Measurement 0.027800
Composition Paste
Brand Sika
Application Elastic adhesive between materials with dissimilar coefficients of expansion
Dry Time 3 to 6 hours Tack-free time; 3 hours Tack-free to touch; 4 to 7 days Final cure
Application Temperature 40°F to 100°F (4.4°C to 37.7°C)
Height 2.000000
Functions For all types of joints where maximum depth of sealant will not exceed 1/2"


picture_as_pdf specification sheet