GZN welded nails, also known as traditional nails, are used for fixing
both thermal and sound insulation on ventilation ducts.
The assembly consists of butt welding of GZN nails to the surface of the channel and creating the so-called "Hedgehog." GZN nails can only be used with the TECNA 7600 welding machine

Technical data

• the package contains nails, clips and caps,
• wy b has the required documents authorizing its use.