Sikaflex-1A Medium Bronze is a moisture-cured non-sag polyurethane sealant in a 10.1 oz cartridge. It is used in joints up to 1/2 inch, including green and damp concrete.
Sikaflex-1A Medium Bronze is a moisture-cured non-sag polyurethane sealant. This 10.1 oz cartridge (part 107777) is for joints up to 1/2 inch, including green and damp concrete. It holds plus or minus 35% movement and bonds without a primer to most construction materials. It is jet fuel resistant, with excellent aging and weathering on windows, doors, and flashing.
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex-1A |
| Color | Medium Bronze |
| Part no. | 107777 |
| Unit | 10.1 oz cartridge |
| Movement | Plus or minus 35% (ASTM C719) |
| Tack-free | 3 to 6 hours at 73 F |
| Application temperature | 40 F to 100 F |
| Weathering | Excellent |
| Shelf life | 15 months (cartridge) |
Product documents: Sikaflex-1A Product Data Sheet (PDF)
What size is Sikaflex-1A Medium Bronze?
The cartridge is 10.1 fl oz (300 ml), part 107777.
What roofing details use Sikaflex-1A Medium Bronze?
Common roofing details, flashing, windows, and door frames. Joint depth does not exceed 1/2 inch.
What movement does Sikaflex-1A Medium Bronze hold?
Plus or minus 35% (ASTM C719). Maximum expansion and contraction should not exceed 35% of average joint width.
What green-concrete wait does Sikaflex-1A Medium Bronze need?
24 hours after the pour at 75 F. Control joints are cut 8 hours before placement.
What primer does Sikaflex-1A Medium Bronze need?
Priming is not usually necessary. Most substrates only need primer if testing shows a need, or where the sealant will be in water immersion after cure.
What weathering does Sikaflex-1A Medium Bronze have?
Excellent resistance to aging and weathering.
Please complete your information below to login.