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HRENDE

Daylight in.
Heat, noise and cold kept out.

Glass that lets the light through and keeps everything else out. For homes, façades and the spaces where people live and work.

Since 1981a family glazing business
Croatia and the EUdelivery area
Satnica Đakovačkaour own production
A different way of thinking

Everyone talks about winter.
The problem is summer.

For the past thirty years or so, glass has been chosen by its Ug-value, in other words by how much heat escapes to the outside. But the climate is changing: winters are milder and summers too hot. Our homes are suffering from overheating. That is why the g-value matters.

More about solar control glass
Light (LT) and heat (g)S
Low-E double glazing
81.9%
63.9%
1.28
Low-E triple glazing
74.1%
52.7%
1.41
Sun double glazing
70.5%
34.9%
2.02
light coming inheat coming inS – selectivity: how much light you get for each unit of heat.
In summer, a 10 m² south-facing opening in Osijek takes in as much heat as a small radiator gives off. Solar control glass keeps half of that out and still lets the daylight in.
References

Where the glass
already makes a difference.

All projects
Urbarija nursery, glazed partitions
Public building · nurseryNašice · 2025

Urbarija nursery

Guardian Sun 39™
g 0.34 · Lt 63%

Obrt Davor, glass façade
Commercial buildingIvankovo · 2023

Obrt Davor

Guardian SunGuard™ HD Silver Grey 32
g 0.25 · Lt 29%

Designer Outlet Croatia, shop fronts
Retail buildingSop · 2025

Designer Outlet Croatia, extension

Guardian SunGuard™ SN 70S
g 0.36 · Lt 68%

Partners
AHK, German-Croatian Chamber of Industry and Commerce Bertol metal Forel GlasMik Grace Guardian Glass H.B. Fuller Kömmerling K&K ProVitrum KO glas Madras, Vitrealspecchi Pilkington Profilglass Saint-Gobain Satinal Technoform Turomas
Enquiries

Send us your opening schedule
or a project brief.

We reply with a quote and a technical data sheet, and on request a specification clause for your bill of quantities.