A U-value measures how well a building part (such as a door or window) lets heat pass through it, with lower numbers meaning better insulation. It is measured in Watts per square metre Kelvin (W/m2K).
A U-value measures how well a building part (such as a door or window) lets heat pass through it, with lower numbers meaning better insulation. It is measured in Watts per square metre Kelvin (W/m2K).
The best choice depends on your priorities, such as energy efficiency, privacy, noise reduction, or security.
UV-reducing glass helps protect flooring and furnishings.
Yes. Reduced draughts and warmer internal surfaces improve comfort.
Persistent misting between the panes is the most common sign.
Yes. Specialist fire-resistant glazing is available for certain applications.
In many cases sealed units can be upgraded.
Yes. Laminated safety glass is commonly used in entrance doors.
Acoustic glazing can help reduce rail noise.
Better insulation helps reduce energy consumption.
Quality products and professional installation reduce the risk.
Age, manufacturing defects or damaged seals can cause failure.
Quality sealed units commonly last 20 years or more.
Yes. Sealed units can often be replaced independently.
No. Abrasive products can damage frames and glass coatings.
Use a microfibre cloth and a quality glass cleaner.
