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MasterWall

Technical information

Performance

Energy

Thermal insulation - Uw Double
0.23 Btu/hr.ft².°F
Thermal insulation - Uw Triple
0.16 Btu/hr.ft².°F

Comfort

Air tightness
0.01 cfm/ft³
Water tightness
15 psf
PG rating
60
Acoustics STC
50 dB
Acoustics OITC
44 dB

Safety

Burglar resistance
RC2 WK2 RC3 WK3
* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of element
31 1/8 inch
Max. height of element
118 1/8 inch
Min. width of element
25 1/4 inch
Max. width of element
157 1/2 inch
Min. height of vent
23 5/8 inch
Max. height of vent
110 1/4 inch
Min. width of vent
17 11/16 inch
Max. width of vent
47 1/4 inch
Max. weight of vent
286 lbs
Max. intertia mullion - Ix
8 11/16 inch
Max. intertia transom - Ix
9 3/8 inch

Glazing

Rebate height
1 1/16 inch
Glazing method
Dry glazing Siliconized glazing Internal glazing Glazing bead
Min. glass thickness - frame/element
1/4 inch
Max. glass thickness - frame/element
2 7/16 inch
Min. glass thickness - vent
1/2 inch
Max. glass thickness - vent
2 13/16 inch