The SST PS-N door in low lintel version is released for sale as of now.
Based on the construction of the double-walled aluminium lath (108 mm. separation) with round spiral this new version enables a further substantial reduction of lintel requirement to now only 200 mm.
This is achieved by...
The sliding firewall Angel Mir® doors are made of one or several leaves, depending on their use, hanged on an upper guide to perform a straight movement by means of a protected roller counterweight system which prevents the opening in case of fire.