Promat Custodia is an E30 fire rated triple-glazed cassette featuring an interstitial ‘hit and miss’ blind which can be retrofitted as part of refurbishment projects or installed into new FD30 doors.
The glazing cassette has been tested to provide integrity-only fire resistance for 30 minutes, making it suitable for the majority of fire doors within care and custodial environments.
The cassette is formed of three layers of glass, with an inner pane moving up and down using a thumb or key operated knob to give the effect of a blind opening and closing.
This provides a vision panel complete with a blind which can be adjusted easily to enable visibility inside rooms for monitoring and observational purposes when required, whilst providing privacy the rest of the time.
Available in white frost, black or white, Promat Custodia is designed for smooth trouble free operation and available in two sizes - 400 x 400mm and, for taller vision panels 250 x 800mm.
Encased within a back to back stainless steel frame are three layers of glass to form the glazing cassette.
The outer layers are a 19mm pane of toughened safety glass and a pane of 19mm PYROSEC®, Promat’s high performance monolithic fire rated glass.
Sandwiched within these is a pane of 4mm toughened safety glass which moves when the knob is turned and has been tested to 100,000 cycles.
The result is a durable glazing cassette that meets the requirements of DOH Annex B, type 1, 2 & 3 for impact resistance, as well as BS EN1363-1:2020 Fire Pt. 1 Fire Resistance FD30 (Test Ref: R240015).
The design of the control knob has also been tested to comply with anti-ligature requirements under DHF TS001(2013), offering resistance level Grade A4.
Promat Custodia is the latest addition to a range of high quality fire resistant glazing solutions available from Promat.
This includes the Promat SYSTEMGLAS® range of fire rated glazing systems, which are tested as a complete system to provide resistance of up to EI120 minutes (integrity and insulation) and available in four framing types.
Its range also includes a fire resistant walk-on glass floor system and several glass doors providing protection up to EI60, plus bespoke timber fire door sets.
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