77IS Concealed Open In Thermally Broken Commercial Window System

Guidance for specification option:

Concealed vent.

Guidance for specification option:

30–40 mm glass look-a-like panels, insert requirements.

Glass look-a-like panels incorporating two panes of minimum 6 mm-thick glass, with a 16 mm argon gas filled cavity and ceramic painted internal face with foil backed insulation to achieve a maximum 0.35 W/m²K centre pane. Exposed internal faces of insulation incorporate an internal polyester powder coated aluminium tray backing.

Guidance for specification option:

30–40 mm insulating glass units, insert requirements.

Insulating glass units incorporating a clear low emissivity inner pane and a clear outer pane with an argon gas filled cavity and 'warm edge' spacer bar to achieve a maximum centre pane U-value of 1.0 W/m²K. All glass within 800 mm from FFL should be toughened or laminated (within 1500 mm from FFL if within 300 mm of a door).

Guidance for specification option:

30–40 mm insulated sandwich panels, insert requirements.

Insulated sandwich panels incorporating two sheets of a minimum 2 mm-thick polyester powder coated aluminium sheet to match framing and minimum 24 mm non-combustible foam insulation core.

Guidance for specification option:

Standard at 50%, higher percentage available upon request

Guidance for specification option:

up to 60 years