ConceptSystem 77 Fireproof

Performance

Energy

Thermal insulation - Uf

2.4 W/m²K

Thermal insulation - Uw

1.5 W/m²K

Uw Dependencies

Frame-vent: Ug 1.0W/m²K, psi: 0.032W/mK @1.23x1.48m (115mm sight line), 24mm glass

Comfort

Air tightness

Class 4 (600Pa)

Water tightness

Class E750 (750Pa)

Wind load resistance

Class C4 (1600Pa)

Acoustics - Rw(C;Ctr)

42(-2;-4) dB

Opening & closing resistance

Class 2

Safety

Burglar resistance

PAS 24 - RC2 - RC3

Fire resistance

EI₂ 30 - EW 30

Properties

Sightlines

Min. frame width (inward opening)

3 1/16 inch

Min. vent width (inward opening)

inch

Min. frame-vent width (inward opening)

3 1/16 inch

Depth frame

2 11/16 inch

Depth Vent

3 1/16 inch

Depth frame-vent

3 1/16 inch

Glazing

Rebate height

1 inch

Glazing method

Dry glazing - Internal glazing - Glazing bead

Min. glass thickness - vent

9/16 inch

Max. glass thickness - vent

2 1/16 inch