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Technical details


Introduction

Roof pitch

Features

Operation

Maintenance

Guarantee

Pane

Opening

Variants

Blinds
Not avialable

Accessories recommended by VELUX

Size chart

Measurements (mm)
 Size Exterior Frame Roof Opening  Visible Glass Lining Rebate 
  W x H  a x b e x f k x l
090120   1080 x 1380 900 x 1200 735 x 1035 859 x 1159 
100100  1180 x 1180  1000 x 1000 835 x 835 959 x 959
120120  1380 x 1380  1200 x 1200 1035 x 1035 1159 x 1159

Cross section/
measurements (mm)

Technical data
 Size 090120   100100 120120 
Effective daylight area (m2)
0.76 0.70 1.07
 Pane variant Clear Opaque EN/ISO standard
Thermal transmittance, Uw[W/m2K]
1.5 1.5 EN ISO 12567-2
Thermal transmittance for Dome
0.77 0.77 EN 1873
Sound insulation, Rw[dB]
37 37 EN ISO 10140-2 
Rain noise sound intensity level LIA[dB]
 47 47 EN ISO 140-18
Air permeability
 Class 4 Class 4 EN 12153 
Luminous transmittance, τD65   0.70 0.21   EN 1873
Total solar energy transmittance, g   0.51 0.20  EN 410