- the front tarpaulins (top and side) are made of 3 mm thick three-layer PVC, resistant to weather and mechanical damage,
- the supporting structure of the seal consists of two frames articulated together by means of four arms and fabric,
- the supporting structure is made of light, hot-dip galvanised steel profiles,
- the edges of the seals are protected by an aluminium profile,
- the whole structure is secured with a sloping roof that rises under pressure from the front,
- the seal is marked with a yellow-colour warning on the front tarpaulins.
The gate seal is a hanging galvanised steel structure, covered with fabric. The sealing elements are about 3 mm thick,
additionally reinforced with several layers of polyester fibre and covered with PVC on both sides.



