MasterLight

Performance

Comfort

Air tightness

Class 4 (600Pa)

Water tightness

Class E750 (750Pa)

Wind load resistance

Class C4 (1600Pa)

Properties

Max. dimensions & weight

Max. intertia mullion - Ix

49.645 cm⁴

Max. intertia transom - Iy (glass load)

95.975 cm⁴

Sightlines

Min. width T-profile

1 15/16 inch

Depth frame

5 11/16 inch

Max. depth transom

3 15/16 inch

Min. width rafter

1 15/16 inch

Min. roof inclination - standard

2 degrees

Max. roof inclination - standard

30 degrees

Glazing

Rebate height

1 3/16 inch

Glazing method

Dry glazing - External glazing - Pressure plate glazing

Min. glass thickness - frame/element

1 1/8 inch

Max. glass thickness - frame/element

2 1/16 inch