Belned secondary glazing is an ideal and affordable solution for adding extra insulation afterward. Our secondary glazing prevents drafts, cold, heat, and noise in your home. Additionally, Belned secondary glazing can be installed to protect special glass, such as stained glass. Belned offers a wide range of secondary glazing in various styles and shapes.
Secondary Glazing
We offer fixed, hinged, sliding, and special lift-out secondary glazing. Solutions are available for both windows that remain closed and windows that still need to be accessible for opening. In addition, secondary glazing is available in both aluminum and wooden versions. Belned also ensures that secondary glazing is delivered completely custom-made! Non-standard windows or windows with an unusual shape are no problem either. There is a suitable solution for every window. For these reasons, Belned has been an indispensable supplier in the field of renovation, restoration, and insulation with secondary glazing for many years.
Belned secondary glazing:
- They have an insulating effect: the insulation value of (single) glazing increases by 50-80%.
- are cheaper than HR glass.
- are available in pretty much any shape.
- are available in various glass thicknesses: 4, 6, 8, and 10 mm, 4-6-4 insulated glass, 3-3-1 / 4-4-1 / 5-5-2 and 6-6-2 laminated safety glass, and 3-3-A1 / 4-4-A1 / 5-5-A2 / 6-6-A2 laminated soundproof safety glass.
- are easy and quick to install, without any work needed on existing structures.
- are ideal for buildings where the window frames cannot support double glazing or where the original character of the window needs to be preserved, such as in historical buildings.
- are beautiful and have a long lifespan. Thermal breakage will not occur.
- are practically maintenance-free (except for periodic cleaning of the frame). The glass is scratch-resistant, does not become static, and does not attract dirt.
- are available in practically every RAL color.
- come with a 5-year warranty, and the rubber used even has a 10-year warranty.
Of course, you can also rely on us for all the necessary parts for your secondary glazing.
More information or looking for a custom solution?
Contact us. Our team will be happy to assist you, Or take a look in our webshop.
Belned Netherlands: verkoop@belned.nl or +31 (0)162 576 576
Belned Belgium: sales@belned.be or +32 (0)11 52 58 80
More information?


Download our brochure
As a professional, you will find Belned the supplier for all your glazing needs. You can come to us for a complete range of glazing strips, glazing items, sealants, secondary glazing, ventilation grilles and tools. Download our brochure for more information.
What our loyal customers are saying
“Thanks to Belned’s custom glazing beads we save an enormous amount of time on our projects. The battens are delivered perfectly sized, primed and machined – ready for immediate use! No more hassle with sawing, notching, etc. on site! The quality is excellent and everything is delivered conveniently per room. Absolutely highly recommended!”
“We found everything we needed at Belned in one go, which saved us a lot of time and hassle. We have been a customer of Belned for quite some time and are now leaving a review for the first time. We always receive fast service and good quality. We are very satisfied!”
“At Belned, we always know what to expect: top-quality glazing beads and reliable service you can count on. Our dedicated sales representative always thinks along with us and ensures everything is perfectly arranged. That personal approach makes working with Belned especially pleasant!”




