Part of the Stieva Metaal Groep in Aalsmeer, Stieva Metalen Puien fabricates steel screens, frames and doorsets for renovation and new build. Its fire- and/or smoke-resisting doorsets, windows and screens carry SKG-IKOB certificate 0960-CPR-SKGIKOB.014624.02.ENG under NEN-EN 16034, issued by notified body 0960, with escape doors under NEN-EN 14351-1 via 0960-CPR-SKGIKOB.014776.01.ENG.