JDT 7.04


This is a special waterproof expansion joint suitable for roofs and car parks. Very flexible, and suitable for use with hot asphalt, it is compatible with PVC, EPDM and other waterproof membranes.


For indoor and outdoor floor joints with a gap up to 80 mm. Suitable for waterproofing, generally by meeting the waterproofing system of the construction. Not suitable on its own for vehicular traffic, it needs to be suitably protected to allow any type of traffic.


Flexible nitrile insert, roll length of 25 m.

Finishes and special pieces

Floor-to-floor type, and floor-to-wall type with exposed skirting (type E). Black sections available made of different materials according to strength requirements. Special parts can be welded using a hot knife. Special parts on demand (T, X, L...).

Joint gap (mm)

Movements (mm)

Visible width (mm)

Total width (mm)

Height (mm)


7.04-025 25 +20 / -20 40 300 28
7.04-050 50 +25 / -25 50 500 50
7.04-080 80 +30 / -30 80 400 25