Sikadur-20 Crack Seal
Low Viscosity Epoxy Resin for Structural Crack Sealing and Injection
Authorized Project Distributor — Sika India | Space Arc Engineering, Ghaziabad
Product Overview
Sikadur-20 Crack Seal is a two-component, solvent-free, low-viscosity epoxy resin for sealing fine cracks in concrete structures. Its ultra-low viscosity allows penetration into hairline cracks from 0.1 mm width by gravity or low-pressure injection without specialist pumping equipment for narrow cracks. Once cured, Sikadur-20 provides a rigid, high-strength structural repair that restores monolithic behavior to cracked concrete. It is compatible with Sika injection ports for systematic low-pressure crack injection. Used in structural crack repair of columns, beams, slabs, retaining walls, and bridge decks where sealing is required to restore structural integrity and prevent ingress of water and chlorides. Space Arc Engineering distributes Sikadur-20 Crack Seal for structural concrete repair projects across Delhi NCR and UP.
Applications
- Low-pressure injection of fine structural cracks in beams and columns
- Gravity infiltration of hairline cracks in slabs and walls
- Sealing cracks in bridge decks and parking structures
- Structural crack repair to restore load transfer across crack face
- Repair of cracks in water-retaining walls (dry cracks)
- Bonding agent for crack face preparation before mortar repair
Key Advantages
- Ultra-low viscosity penetrates cracks as fine as 0.1 mm
- Two-component epoxy — high ultimate strength rigid repair
- Solvent-free — safe for use in enclosed spaces
- Restores structural integrity across cracked concrete sections
- Compatible with Sika injection ports for systematic injection
- No primer required on clean dry concrete
Technical Data
| Type | Two-component low-viscosity epoxy |
| Mixing Ratio by volume | 1A : 1B |
| Viscosity mixed | ~200–350 mPa.s (very low) |
| Open Time | ~30–40 minutes at 25°C |
| Compressive Strength 7d | > 60 MPa |
| Pack Size | 1 kg, 5 kg kits |
Get a Quote
📞 +91 9999155255
📧 info@space-arc.com
🏢 Space Arc Engineering, Sahibabad, Ghaziabad
Frequently Asked Questions
What is the minimum crack width for Sikadur-20 Crack Seal?
Sikadur-20 Crack Seal can penetrate cracks as narrow as 0.1 mm by gravity infiltration and 0.05 mm by low-pressure injection using Sika injection ports. Cracks wider than 0.3 mm may be better treated with a slightly higher viscosity epoxy injection resin.
Can Sikadur-20 Crack Seal be injected into wet or damp cracks?
Sikadur-20 Crack Seal is formulated for dry cracks. For damp or water-active cracks, use a polyurethane injection system. Contact Space Arc Engineering for the appropriate product for your crack condition and water activity level.
Do I need injection ports or can Sikadur-20 be poured directly?
For hairline cracks, Sikadur-20 can be applied by gravity infiltration — pour mixed product along the crack and allow it to penetrate. For deeper systematic structural crack repair, injection ports are bonded along the crack at intervals and the resin injected under low pressure using a hand-operated spring-loaded port gun.
Source Sikadur-20 Crack Seal for Your Project
Space Arc Engineering is an Authorized Project Distributor for Sika India serving Delhi NCR, Ghaziabad, Noida and Uttar Pradesh.