Sikaflex + Concrete Fix is a moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal specification TT-S-00230C, Type II, Class A. Meets ASTM C-920, Type S, Grade NS, Class 25.
Sika Concrete Fix is a 2-component, 100% solids, moisture-tolerant, high-modulus, high-strength, struc- tural, smooth-paste epoxy adhesive. (Sika Concrete Fix is also known as Sikadur-33) USES As a structural adhesive for: Concrete elements Hard natural stone
Since system is moisture-cured, permit sufficient exposure to air. The ultimate performance of Sikaflex + Concrete Fix Product Data Sheet Sikaflex + Concrete Fix September 2025, Version 01.03 020511010000000075 2 / 3 depends on good joint design and proper ...

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Sikaflex + Concrete Fix is a moisture-cured, 1-compon- ent, polyurethane-based, non-sag elastomeric sealant. Meets Federal specification TT-S-00230C, Type II, Class A. Meets ASTM C-920, Type S, Grade NS, Class 25. USES Designed for all types of joints and cracks where max- imum depth ...

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For best performance, Sikaflex Concrete Fix should be gunned into joints when they are at the mid-point of their designed expansion and contraction. Joint dimension should allow for 6 mm ( in) minimum and 13 mm ( in) maximum thickness for sealant. Proper design is 2:1 width to depth ratio.