OTTOSTUMM supplies components for steel fenestration systems. With the FerroFinestra thermal barrier system, W50 TB, OTTOSTUMM continues window heritage in its most authentic form, proposing the ...

OTTOSTUMM supplies components for steel fenestration systems. OTTOSTUMM’s thermal barrier sliding door systems are suited for larger frame dimensions and weights, which are outside the ordinary.

The Steel Window Association has developed a series of fact sheets – all are viewable and downloadable here. The following is a synopsis of the aftercare and maintenance fact sheet which has been ...