ConceptSystem 77 Bulletproof

Performance

Energy

Uw Dependencies

Frame-vent: Ug 1.0W/m²K, psi: 0.032W/mK @1.23x1.48m (128mm sight line), 25mm glass

Comfort

Air tightness

0.04 cfm/ft³

Water tightness

12 psf

AMAA rating

Class AW

PG rating

120

Acoustics STC

43 dB

Acoustics OITC

34 dB

Safety

Bullet resistance

FB4 - FSG - Kalashnikov

Operating Forces Class

Class 1

Properties

Sightlines

Min. frame-vent width (inward opening)

5 1/16 inch

Min. frame-vent width (outward opening)

5 1/16 inch

Min. width T-profile

4 inch

Depth frame

3 13/16 inch

Depth Vent

3 1/16 inch

Depth frame-vent

4 3/16 inch

Glazing

Rebate height

1 inch

Glazing method

Dry glazing - Siliconized glazing - Internal glazing - Glazing bead

Min. glass thickness - frame/element

1 inch

Max. glass thickness - frame/element

2 1/16 inch

Min. glass thickness - vent

3/16 inch

Max. glass thickness - vent

2 1/2 inch