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Rubber crack filler for asphalt driveway CR-310

The CR310 is a quick-drying caulking compound. Composed of rubber, this product retains remarkable flexibility regardless of temperature variation, preventing it from cracking. It is used to repair and waterproof cracked areas. Its adhesion is remarkable on most materials such as concrete, masonry, wood, metal, fiber cement, asphalt pavers and many synthetic materials.

Would you buy this product?



  • Fast drying
  • Enriched with rubber
  • Flexible and resistant
  • Excellent adhesion on most materials


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Building components

Asphalt Driveway / Foundation


Concrete / Wood / Masonry / Metal / Fiber cement / Asphalt pavement

Covering rate

0,5 m2/kg



Preparation / Application

Application temperature

10°C and more preferably. The product will be thicker when the temperature decreases.

Service temperature

-40°C to 85°C

Application tools

Trowel / Caulking gun

Surface preparation

Surfaces must be clean and free of dust, dirt or other contaminants. The temperature of the metal substrates must be below 37°C during application. Porous or dusty surfaces must be primed.


During colder periods, keep the product in a temperate place to facilitate its application. Do not apply if rain is expected. To repair joints and cracks, firmly apply enough product in depth to fill all the cavities and close the gaps. Avoid air pockets or blisters and well done finishing joints provide better adhesion to overlapping surfaces. Close the container after each use. For the caulking tube, cut the nozzle tip at 90° to obtain a bead between 6 to 12 mm (1/4 to 1/2 inch). Perforate the seal inside the nozzle.


Allow about 6h for surface drying and about 48h for complete drying. The drying time depends on the application method, the ambient temperature, the surface and the thickness applied.

Caution / Cleaning / Storage

Restriction / Caution

Do not apply on wet or frosted surfaces. If the product is applied on vertical surfaces, do not apply in cracks larger than 25mm of width.Keep out of the reach of children. If the product is applied near a ventilation or air conditioning unit, take the necessary precautions to prevent infiltration of solvent odours toward the inside. Keep open container or freshly applied product away from open flames, sparks or other sources of heat. For outdoor use only. Do not use on a new asphalt shingle roofing.


Mineral spirits


The product may be kept in its original sealed container up to 12 months after the date of purchase by the user.

Available format

300ml / 4kg / 20kg


10 years limited warranty when installed and / or applied as recommended by the manufacturer. We will replace the product with a manufacturing defect. Under no circumstances will the manufacturer be liable for any amount exceeding the purchase price of the product used. The consumer must ensure that this product is suitable for the intended use. Because of atmospheric conditions, applicator competence and surface conditions being independent of the manufacturer’s control, we limit our liability for one year following the date of purchase, with proof of purchase, to replacement of defective material only in its original hermetic container. Port paid factory (FAB factory).