4.8/5

Glass options for aluminium window frames

The type of glass largely determines the comfort, safety and energy consumption of your home. At Aluwdoors, we work with laminated safety glass as standard and recommend the optimal combination of insulation, solar control and sound comfort for each project.

HR++ glass - the reliable standard

✔ Good insulation
✔ Affordable
✔ Widely applicable
✔ Lighter weight
✖ Less insulating than triple with large windows

HR++ (triple) glass - maximum insulation

✔ Best insulation value
✔ High living comfort
✔ Less cold trap
✔ Better sound insulation
✖ Heavier and higher investment

Laminated safety glass - standard with Aluwdoors

✔ Extra burglar-resistant
✔ Safe in case of breakage
✔ Noise reduction
✔ Suitable for RC2/RC3
✔ Applied as standard to all our window frames

Solar control glass - comfort in summer

✔ Less heating of the home
✔ Less need for air conditioning or blinds
✔ Protects interior against discolouration
✔ Ideal for large south-facing facades
✖ Slightly lower light transmission

Comparison of HR++ and HR++

FeatureHR++HR++ (triple)
Insulation value Ug± 1.1± 0.6 (better)
Heat loss in winterLowVery low
ComfortGoodVery high
Sound insulationGoodBetter
WeightLighterHeavier
Price€€€
ApplicationStandard homesBEN / low-energy / large façades

Comparing glass options (comfort summer & safety)

FeatureHR++TripleSun protection (combi)
Keeping heat outAverageGoodExcellent
DaylightHighHighSlightly lower
Sound insulationGoodBetterGood
Security (layered)YesYesYes
Comfort summerAverageGoodVery high
Best applicationGeneralEnergy-efficientSouth/west facades
Emma Krol

Advice and service

Which choice suits you?

- Renovation or standard house → HR++
- New construction or low-energy housing → Triple
- Large windows on sunny side → Triple + solar protection
- Additional safety or children → Laminated (standard with Aluwdoors)
- Busy area → Additional soundproof glass

Advice: Our advisers will be happy to help you put together the right glazing for your situation.

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