Capillary System for Roof Glazing

KAPILUX WS light-diffusing insulating glass offers numerous advantages: The transparent capillary slabs in the cavity allow for an even and shadow-free illumination with daylight deep into the room. The sun and glare-protection are very good, and the heat insulation is improved by the capillary tubes. The transmission values can be individually adjusted to the requirements.

KAPILUX WS was developed especially for roof glazing. The capillary axis inserted diagonally to the glass prevents the sun from entering the room when mounted accordingly. In combination with the white coloring of the capillaries, high requirements on sun and glare-protection can be met.

High Functionality

  • Optimal, even illumination of the room, without hard shadows
  • Effective sun and glare protection
  • High light transmission, light entry can be adjusted individually
  • High colour rendering
  • Good heat and sound insulation
  • Protection from UV rays
  • Bird-friendly solution
  • Fire protection according to requirements


  • Daylight entry reduces amount of artificial light required
  • Reduction of cooling loads in summer
  • Fully recyclable
  • Long-Lasting, maintenance-free and easy to clean

Attractive Aesthetics

  • Attractive appearance
  • Vivid surface with depth effect
  • Capillary inserts can be printed with colour and décor

User Comfort

  • Comfortable daylight atmosphere
  • Effective privacy protection
  • Reduced amount of solar input into the building
  • Partial Vision

KAPILUX WS – double glazing build-up – horizontal glazing

double glazing build-up – horizontal glazing

KAPILUX Capillary System - Light Diffusion

Capillary System - Light Diffusion

  • Maximum dimensions: 2,400 mm x 4,400 mm, larger sizes available upon request
  • All technical values, such as light transmission, TSET and Ug-values can be varied by using other constructions and glass types. 


Total Thickness

Ug-Value [W/(m2K)]



Triple Glazing mm Krypton Argon Air SHGC (%) direct (%) direct

from 42

0.8 1.0 1.1 - 1.2 17 - 29 1 26 - 35 1

1 Depends on the capillary inclination



References Overview