BORNIT® Crack Tape CSA

bitumen | road construction | road repair | bitumen sealing tape | crack | seam
short information
  • flexible, self-adhesive polymer-modified bituminous tape
  • for quick and easy sealing of cracks and seams in asphalt surfaces
  • can serve as substrate for asphalt mix
Crack Tape CSA 40 x 3
44 m / box
sufficient for:
EAN code
euro pallet
44 m
4 017228 00690 1
48 box
1 m per linear meter
storage note
  • store cool and dry
  • protect boxes against moisture
  • in originally sealed boxes storable for 12 months

status technical data sheet
03 December 2020

areas of application
BONIT® Crack Tape CSA is used as bituminous sealing tape for sealing open seams and cracks with up to 3 mm in width in asphalt road construction. The tape flexibly bridges the seam or crack area, resp., and effectively prevents penetration of surface water.
The area of application of BORNIT® Crack Tape CSA is fast and easy repair of secondary roads in communal road construction as well as of pavements and cycle paths. BORNIT® Crack Tape CSA can serve as substrate for asphalt mix application without any problem later on.

Technische Zeichnung
Technische Zeichnung

Profile tolerances up to 10 % are due to production technology!

type and properties
BORNIT® Crack Tape CSA is a cold self-adhesive sealing tape for cracks in asphalt surfaces. The excellent sealing effect of BORNIT® Crack Tape CSA in the surface area of asphalted surfaces is guaranteed by its special recipe of polymer-modified bitumen and high-quality fillers.

  • very flexible
  • good adhesion
  • less equipment and labor required for processing

The seam/crack area must be dry and free from loose particles.

BORNIT® Hot Compound Primer Spray or BORNIT® Bitumen Primer Spray must be applied as primer on both sides of the area. The quantity of the primer depends on the substrate: overdosing should be avoided in any case. Following drying of the primer, BORNIT® Crack Tape CSA is rolled off, with the adhesive side applied to the crack area with little pressure and pressed on using a roller or hand stamper. In order to prevent sticking of the tape to the work equipment, crusher dust must be spread onto the surface.

Note: At temperatures below +10 °C, the adhesive strength of the tape can be increased by slightly warming the asphalt using a propane flame.

Important note
The causes for cracks in asphalt are normally stresses and forces caused by most different influencing factors (e.g. insufficient load-bearing capacity of the foundation, defects during asphalting, etc.). Following an object-dependent service life of the repaired areas, cracks may therefore occur again and thus make repeated treatment with BORNIT® Crack Tape CSA necessary. Permanent repair of these damaged areas is only possible by eliminating the causes. A more durable repair of cracks is possible by proper milling out and subsequent filling with suitable hot sealing compounds (e.g. BORNIT® Hot Sealing TL).

1 m per linear meter

product data in brief
product type
bituminous crack sealing tape
bitumen, polymers, aggregates, special adhesive
density at +20 °C
ca. 1,10 g/cm³
softening point acc. to cone/ring
> +80 °C
solid, plastic, self-adhesive
roll breadth: 40 mm thickness: 3 mm roll length: 22 m Profile tolerances up to 10 % are due to production technology!
processing temperature (ambient and substrate)
below +10 °C - slightly warming the asphalt increases the adhesive strength of the tape
store cool and dry protect boxes against moisture
shelf life
in originally sealed boxes storable for 12 months
substances hazardous to health in terms of the ordinance on hazardous materials
hazard class according to ADR
flash point
> +200,0 °C
health and fire protection, occupational safety
To ensure safe handling of the product, the physical, safety, toxicological and ecological information provided online, the information in the current safety data sheet and the additional information on the label must be read and followed before purchasing or using the product! The applicable regulations, ordinances and laws must be complied with.

In case of doubt, please contact the BORNIT® application technology department or the BORNIT® service hotline on +49 375 2795 123.

The product can be stored for 12 months. Store cool and dry! Protect boxes against moisture, direct solar irradiation and heat! Store the rolls upright on the cut edges, intermediate layers are required.

disposal note
Only recycle empty containers. Material residues can be disposed of in accordance with AVV-ASN: 170302 (bitumen mixtures with the exception of those that come under 170301).

The above information replaces all previous technical information about the product. Thus, this information is no longer valid. The details have been compiled according to the latest state of application technology. Please observe, however, that, depending on the state of the construction object, deviations from the method of application suggested in the datasheet may be required. Unless agreed otherwise in individual contracts, any information contained in the datasheet shall be non-binding and thus does not represent an agreed product constitution. We reserve the right to any changes in the information contained in this datasheet anytime.
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Kein Gefahrgut im Sinne der Transportvorschriften.

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