This is
an an architectural aluminium secondary glazing system
anchored into a hardwood subframe for maximum sound insulation
and should not be confused with upvc or aluminium diy
kits, it is fitted in St Paul's Cathedral and Teesside
airport to name a tiny few of the architectural projects
that this system has been used.
Secondary
Double Glazing Hinged Unit Diagrams
HU
Single Hinged Unit
Left Hung Open In
HU
Single Unit
Right Hung Open In
HU
Single Hinged Unit
Top Hung Open In
DHU
Double Hinged Unit
Side Hung Open In
Secondary Double Glazing Technical
Information
click
here
