A 30 or 60 minute rating is available (BS 476). Any fire safety glass with a 30 or 60 minute performance (to BS 476) may be used - such as Pyran S or Pyroshield. Any timber may be used for the beads (if 600 Kg/m3 or greater in density). FireGlaze Compound is available in grey, white, light oak and brown colours for a seamless match with the beads. A neo-Geoargian or french door style is possible using Sealmaster mock glazing bars.
Glazed apertures in fire doors with flaxboard or particle board cores should be lined with a softwood frame.