Sikaflex 1A is a premium non-sag polyurethane sealant that is excellent for many construction adhesive applications including windows, door frames, flashing, and more. Sikaflex 1A can be used in green and damp concrete applications and is readily placeable at 40°F.
Sikaflex-1A is a one-component, moisture-cured polyurethane sealant used for vertical and horizontal joints. It's known for its excellent adhesion, flexibility, and durability, even in challenging environments. Sikaflex-1A can be applied to green or damp concrete and resists weathering, aging, and UV exposure. It accommodates ±35% joint movement, making it a versatile option for sealing applications in construction and repair projects.
Property | Value |
---|---|
Movement Capability | ±35% |
Shore A Hardness | 45 ± 5 (ASTM C661) |
Elongation at Break | 550% (ASTM D412) |
Tear Strength | 55 lb/in (ASTM D624) |
Tack-Free Time | 3 to 6 hours |
Full Cure Time | 4 to 7 days |
Service Temperature Range | −40°F to +170°F |
Adhesion (Concrete, Aluminum, Glass) | 20 lbs with 0% adhesion loss |
Where can Sikaflex-1A be applied?
It's used for windows, doors, flashing, reglets, roofing details, and submerged applications like reservoirs or canals.
Does Sikaflex-1A require a primer?
Most applications do not require a primer. Primer may be needed in water immersion or porous substrate conditions. Testing is recommended.
Can this be applied in wet or green concrete conditions?
Yes. It can be applied to green concrete after 24 hours and damp concrete after waiting 60 minutes post water removal.
What is the application temperature range?
Apply between 40°F and 100°F. Cold materials should be brought to room temperature before use for best results.
Brand | Sika |
---|---|
Color | White |
Size | 10oz |
Manufacturer | Sika |