Internal or external KUNEX® expansion joint tapes are made of thermoplastic polymer (PVC-P) and are suitable for sealing horizontal and vertical expansion joints in in-situ concrete construction. A hollow expansion element enables the components to move about three axes. KUNEX® expansion joint tapes reliably prevent infiltration of the joint system when exposed to pressurised and unpressurised water or soil moisture. Thermoplastic joint tapes can be welded together to ensure they are watertight. KUNEX® expansion joint tapes can be used for expansion joints in wall/wall, slab/slab or floor/floor areas.
KUNEX® Expansion Joint Tapes
KUNEX® D
Expansion joint tape, PVC-P, internal
KUNEX® DA
Expansion joint tape, PVC-P, external
KUNEX® DA Corner Joint Tape
Expansion joint tape for corner area, PVC-P
Benefits
- Fast, secure sealing of all expansion joints
- German building code test certificate (abP)
- Joint tapes with excellent welding properties
- Bitumen-compatible material on request
Technical details
- Made of PVC-P according to DIN 18541 or according to factory standard (with abP (German building code test certificate) P-5143/478/13 MPA BS)
- Water-tightness: Joint tape according to DIN
- Dimensions: Length max. 25 m, extend on site using welded butt joints
- Fastened to the reinforcement with joint tape clamps
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KUNEX® Joint tapes - Technical Information
Technical information for KUNEX® PVC-P Joint tapes, TPE joint tapes, ABS construction joints, ABS expansion joints, clamp joints, star tubes, puddle flanges and formed parts and accessories
General building authority test certificate for KUNEX® waterstops
General Building Authority Test Certificate
PDF (1.37 MB)
DownloadDownload
Price list 2026 Shell construction / facade
Valid from February 1st, 2026
Order sheet KUNEX® Overview (BK00)
Order Sheet
Order sheet KUNEX® internal joint with FBA (BK40)
Order Sheet