
Sikadur-20 Crack Seal
Low-viscosity epoxy for sealing non-structural cracks.
Overview
Solvent-free low-viscosity semi-elastic epoxy for sealing non-structural cracks in concrete decks, balconies, wet rooms and pools. Works on dry or damp substrates.
Ideal for
- Epoxy
- Crack Seal
Technical data
| Coverage | Gravity feed into a vee-notched crack until full. Maximum crack width 10 mm. |
|---|---|
| Mixing ratio | Component A : B = 1:1 by volume. Invert the bottle 15–20 times. |
| Pot life | ~20 minutes at +30°C |
| Substrate temperature | Concrete must be at least 28 days old |
| Shelf life | 24 months unopened |
| Standards | ASTM D-790 · Tensile adhesion ~2.0 N/mm² (concrete failure) |
How to apply
- 1
Prepare the surface
Work on a clean, sound substrate free of dust, oil, curing compounds and loose particles. Keep the substrate temperature within Concrete must be at least 28 days old.
- 2
Mix the components
Combine at Component A : B = 1:1 by volume. Invert the bottle 15–20 times. and mix to a smooth, lump-free, uniform consistency.
- 3
Apply
Apply evenly across the surface Gravity feed into a vee-notched crack until full. Maximum crack width 10 mm..
- 4
Respect the working time
Use the mixed material within its pot life (~20 minutes at +30°C) and let it cure fully before the next coat or before putting the area into service.
Always follow the current Sika product data sheet for full surface preparation and application details.
Buy with confidence
100% genuine Sika
Authorised stock through Ali Traders batch-coded and sealed.
Flat-rate delivery
Rs. 199 anywhere in Pakistan, free over Rs. 19,999.
Delivered in 3 days
Dispatched to all areas of Pakistan.
Flexible payment
Cash on delivery, bank transfer or WhatsApp.
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