Repair of cracks in asphalt
How to repair cracks in asphalt?
Asphalt Sealant
Do-it-yourself asphalt repair
Real Project
Consider the project of our partners in the Dnieper, for sealing and sealing cracks in the asphalt, in the parking lot.
Project Data
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Project : Underground parking floor.
- Surface : asphalt with numerous cracks.
A task
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Repair cracks in asphalt.
- Eliminate water penetration through cracks in the asphalt.

Repair of cracks in asphalt
Why Repair Cracks in Asphalt?
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The formation of cracks in the asphalt road layer significantly affects the service life and strength of road asphalt.
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A holistic asphalt concrete canvas begins to collapse, like a puzzle, when cracks appear.
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From the beginning, the cracks are small, then they increase in size to shells and potholes.
- Asphalt is subject to dynamic and thermal loads, therefore, to repair cracks, it is necessary to use special elastic sealing materials.
Solution
Carry out a test section for repairing and sealing cracks in asphalt using MasterSeal CR 125 , an elastic, ultraviolet-resistant bitumen-polyurethane sealant.
How to repair cracks in asphalt?
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MasterSeal CR 125 is a self-levelling, bitumen-modified polyurethane elastomeric joint sealant.
- Resistant to weather conditions, UV radiation, aging caused by weathering.

Sealing joints in industrial floors
Scope of material
- Inside and outside, horizontal application.
- Shrinkage and deformation seams.
- Seams in industrial floors.
- Seams exposed to sunlight, water, chemicals, industrial waste.
- Runways and airfields.
- Roads and bridges.
- Terraces, balconies.
- Warehouses, garages.
- Gas station.
- Parking lots and areas with traffic.
- Seams in stone, brick, concrete, etc.
Features and Benefits
- Easy to use, single component.
- When applied to most types of surfaces, it can be used without a primer.
- Self-levelling, pourable type.
- Seizes under the action of moisture.
- High elasticity: joint movement compensation up to 25%.
- Excellent adhesion to various types of surfaces (concrete, metal, stone, wood, etc.).
- Resistant to atmospheric influences.
- Operating temperature -40°C to +80°C.
- Laying temperature from +4°C to +35°C.
Specifications of the sealant
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Material: MasterSeal CR 125 |
125 Polyurethane modified with bitumen
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Color |
The black
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Shore hardness (ISO 868) |
28
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Seam movement compensation |
Up to 25%
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Elongation at break (ISO 8339) |
≥1200%
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Tensile strength (ASTM D412) |
1.7 N/mm2
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Operating temperature |
-40°C to +80°C
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Styling temperature |
+4°C to +35°C
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Asphalt Crack Repair Technology
1. Jointing, cleaning, dedusting.
2. Laying a polypropylene bundle.
3. Pasting with adhesive tape along the crack.
4. Application of sealant.

After polymerization, the asphalt pavement will withstand all loads and will last for more than one year.

