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Calculation details and notes

The heating degree days model is accepted for the calculations. This means that we accept that the heat lost through the window panes must be offset through additional heating energy. In doing so, the dynamics of the building when heating up and cooling down are not taken into consideration. Energy

OKASOLAR P

OKASOLAR P is an insulating glass with fixed; vertical louvres in the cavity between the glass panes. OKASOLAR P enables partial transparency in one direction at the same time as privacy screening adapted to individual requirements in the other direction, and has been optimised for use in the buildi

OKASOLAR W

OKASOLAR W is a high-performance daylight system especially developed for the facade which combines the use of daylight with effective sun protection. Fixed louvres in the cavities direct daylight deeply into the room while ensuring excellent direction-selective sun and glare-protection. A further a

Laminated safety glass

Date table Laminated safety glass made of float glass (EUROFLOAT) Designations Nominal thickness (mm) Light transmission level (%) Degree of light reflection(%) g-value (%) U-value (W/m²K) 4-1 4 91 8 84 5.5 4-2 4 91 8 83 5.4 6-1 6 90 8 82 5.4 6-2 6 90 8 81 5.4 7-4 7 90 8 80 5.2 8-1 8 90 8 81 5.4 8-2

Example calculation: our highly sustainable glass

Manufacturing glass is energy-intensive – but once it has been used in a building, the production effort pays off impressively quickly. We’ve done the maths.

University of Kent

SILVERSTAR COMBI: Revitalisation of a historic site

The revitalisation of the site of the Norblin factory in Warsaw is an unprecedented project.

OKACELL

OKACELL makes building-integrated photovoltaic available for architectural applications. OKACELL offers the greatest possible variety of designs with different cell types, cell colours and customized alignment. A wide range of module shapes is possible in addition to rectangular panels. OKACELL is a