A standard double glazing unit is made using 2 normal float glass hermetically stuck together with a special type of glue. A gap is formed between the 2 panes by fitting spacer bars along the edges.

Toughened glass is a safety glass that can withstand a considerable impact before it reaches the breaking point. When it does break, it shatters into small blunt pieces that doesn’t cause substantial injury.

A double glazed unit can be made with using 2 panes of toughened glass. This is a stronger and safer glass unit to use in your home. In some areas of the property, having toughened glass is a legal requirement.

You can usually identify toughened glass by looking for the kitemark in one corner of the glass.

Yes, it is possible to have a laminated double glazing unit where both panes of the unit are laminated glass. Instead of 4mm panes, we use 6.4mm laminated panes to make up a laminate double glazed unit. However, this type of glazing is heavier and it is best to check that your frame can accomodate the extra weight.

This really depends on the specification of your old glass units. Most older glass units are standard double glazing and have reasonable energy performance. Nowadays, modern double glazing units have energy performance that is almost 30% better than the standard version. 

For improved energy efficiency and better insulation, we recommend upgrading to our advanced energy efficient glass. It includes Pilkington K glazing. thermal spacers and Argon gas. This combination will lower your energy costs and keep your home warmer for longer.