Free delivery in Benelux until 10kg.
€ 168,00 HTVA
Resichem 571 Concrete Repair LW is a lightweight, three-part, solvent-free epoxy repair mortar designed for use on cement surfaces. The lightness of this material makes it ideal for repairs to overhead columns, thresholds and vertical concrete surfaces.
– Lightweight repair product
– Ideal for overhead and vertical cement surfaces.
– Can be applied to a thickness of 50 mm (2″) without sagging.
Typical applications
Suitable for rebuilding and repairing the following surfaces:
– Lintels Headers Walls Ceilings
The concrete surface must be free of dust and loose material.
Clean concrete
1. Compressed air can be used to clean the surface and ensure that all debris and contaminants have been removed from any hairline cracks or deep pits.
2. A vacuum cleaner should be used to ensure that the repair area is free of dust and debris.
Coated concrete
1. The concrete surface must be scarified to remove any existing coating and to ensure that the repair material adheres to the surface.
2. Use a portable power grinder to clean the surface.
3. Once the repair area has been scarified, it must be vacuumed and cleared of any dust or debris.
Contaminated concrete
1. If the concrete surface has been contaminated by oil or industrial chemicals, these must be removed from the repair surface.
2. If the contamination is superficial, the repair area can be cleaned using a mechanical hand grinder, then vacuumed.
3. In the case of deeper contamination, it is advisable to use enzymes on the repair surface to clean the oils/chemicals from the substrate.
Before mixing, check the following points
1. The material components are at a temperature of 15-25°C (60-77F°).
2. Ambient and surface temperature above 10°C (50F°).
3. Ambient and surface temperatures not less than 3°C (6°F) above dew point.
Once these 3 checks have been carried out, proceed with mixing the product.
The 2.5kg (5.5lb) pack of 571 Concrete Repair LW contains the following items –
1 x Primer base, 1 x Primer activator
1 x Aggregate activator, 1 x bag of aggregate incorporating epoxy resin.
1. Take the primer activator component and pour it into the pot of primer base component and mix together using the spatula provided. Mix the two components until no traces remain. Pot life is 20 minutes at 20°C (68°F).
2. Using a brush or roller, apply the mixed primer to the surface to be repaired. Make sure the primer penetrates all small cracks and irregular surfaces.
3. Once all surfaces have been primed, allow to cure for at least 2 hours at 20°C (68°F).
Before mixing, check the following points
1. The material components are at a temperature of 15-25°C (60-77F°).
2. Ambient and surface temperature above 10°C (50F°).
3. Ambient and surface temperatures not less than 3°C (6°F) above dew point.
Once these 2 checks have been carried out, proceed with mixing the product.
The 2.5kg (5.5lb) pack of 571 Concrete Repair LW contains the following items –
1 x Primer base, 1 x Primer activator
1 x Aggregate activator, 1 x bag of aggregate incorporating epoxy resin.
1. Take the aggregate activator component and pour it into the plastic unit containing the aggregate. Mix the 2 components using the spatula provided until no traces remain. 571 Concrete LW has a service life of 60 minutes at 20°C (68°F).
2. Using a trowel, apply the mixed material to the primed repair surface.
3. If necessary, the repair mortar can be applied in layers of approx. 5 to 10 mm per coat. alternatively, the product can be applied in a single coat up to 50mm (2″) thick without sagging.
4. Once the repair area has been filled with 571 Concrete Repair LW, allow to cure for at least 8 hours at 20°C (68°F).
At 20°C (68°F), applied materials should be allowed to harden for the times indicated below before being subjected to the conditions indicated. These times will be extended at lower temperatures and reduced at higher temperatures:
Primary
Operating time 20 minutes
Touch-dry 2 hours
Mortar
Service life 60 minutes
Touch-dry 8 hours
Full cure 3 days
Minimum – the material can be coated as soon as it is dry to the touch, about 8 hours at 20°C (68°F).
Maximum – 24 hours
Primer Base component – Straw
Activator component – Amber
Mortar activation component – Amber
Aggregate – Grey
5 years if unopened and stored under normal dry conditions (15-30°C/ 60-86F°).
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