ConceptWall 50 Mullion Transom

Performance

Energy

Thermal insulation - Uw Double

0.23 Btu/hr.ft².°F

Thermal insulation - Uw Triple

0.14 Btu/hr.ft².°F

Comfort

Air tightness

0.02 cfm/ft³

Water tightness

15 psf

CWCT tested according to

Sequence B

Air Leakage CWCT

A4 (600Pa)

Water Penetration CWCT

R7 (600Pa)

Wind Resistance (Serviceability) CWCT

2400 Pa

Wind Resistance (Safety) CWCT

3600 Pa

PG rating

90

Acoustics STC

41 dB

Acoustics OITC

35 dB

Properties

Max. dimensions & weight

Min. intertia mullion - Ix

14 cm⁴

Max. intertia transom - Ix

612 cm⁴

Min. intertia transom - Iy (glass load)

8 cm⁴

Max. intertia transom - Iy (glass load)

59 cm⁴

Sightlines

Min. visible width (interior view)

1 15/16 inch

Min. visible width (exterior view)

1 15/16 inch

Min. depth mullion

1 5/8 inch

Max. depth mullion

11 13/16 inch

Min. depth transom

3/16 inch

Glazing

Glazing method

Dry glazing - External glazing - Pressure plate glazing - Structural Glued Glazing - Structural clamped glazing - Structural Glued Stepped Glazing