The NI401 sealer it's used ih the 54 mechanism. It's used to seal and create an additional barrier against the weather and to improve either thermal or acoustic isolation performance of the building itself. *Sold in 200 m packages
The NI403 sealer it's used ih the 55 mechanism. It's used to seal and create an additional barrier against the weather and to improve either thermal or acoustic isolation performance of the building itself. *Sold in 200 m packages
The NI404 sealer it's used ih the 70 mechanism. It's used to seal and create an additional barrier against the weather and to improve either thermal or acoustic isolation performance of the building itself. *Sold in 200 m packages