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

Air tightness

AE 1200 (1200Pa)

Water tightness

RE1200 (1200 Pa)

Wind load resistance

Class A5 (2000Pa)

PG rating

90

Acoustics STC

41 dB

Acoustics OITC

35 dB

Safety

Burglar resistance

RC2 - RC3

Impact resistance

I5 - E5

Properties

Max. dimensions & weight

Min. height of vent

23 5/8 inch

Min. width of vent

17 11/16 inch

Max. weight of vent

396 lbs

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

Rebate height

13/16 inch

Glazing method

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

Min. glass thickness - frame/element

1/4 inch

Max. glass thickness - frame/element

2 3/8 inch