ElementFaçade 7

Performance

Energy

Thermal insulation - Uw Double

0.26 Btu/hr.ft².°F

Thermal insulation - Uw Triple

0.17 Btu/hr.ft².°F

Comfort

Air tightness

AE 1200 (1200Pa)

Water tightness

RE1200 (1200 Pa)

Wind load resistance

E2400 (2400Pa)

Acoustics STC

48 dB

Acoustics OITC

43 dB

Safety

Burglar resistance

RC2

Properties

Max. dimensions & weight

Max. weight of glass

661 lbs

Min. intertia mullion - Ix

206 cm⁴

Max. intertia mullion - Ix

514 cm⁴

Min. intertia transom - Ix

252 cm⁴

Max. intertia transom - Ix

587 cm⁴

Min. intertia transom - Iy (glass load)

59 cm⁴

Max. intertia transom - Iy (glass load)

79 cm⁴

Sightlines

Min. width T-profile

2 15/16 inch

Min. visible width (interior view)

2 15/16 inch

Min. visible width (exterior view)

2 15/16 inch

Min. depth mullion

6 11/16 inch

Max. depth mullion

9 9/16 inch

Min. depth transom

6 5/8 inch

Max. depth transom

9 1/2 inch

Glazing

Glazing method

Dry glazing - External glazing - Glazing bead - Structural Glued Glazing

Min. glass thickness - frame/element

1 inch

Max. glass thickness - frame/element

2 1/2 inch