What is the difference between double glazing and secondary glazing?
What is double glazing?
Double glazing is a type of window that is made up of two panes of glass. These panes are separated by either a layer of air or a vacuum. The air or vacuum that is enclosed by the two panes of glass acts as a layer of insulation. This layer of insulation helps to retain heat and keep out noise & cold air.
What is secondary glazing?
Why install double glazing?
There are numerous benefits of installing double glazing:
- Retains heat whilst also keeping out cold air (or hot!)
- Reduces draughts
- Reduces heating bills
- Increased security compared to single glazing
- Reduction of condensation on the inside of windows
- Helps to keep out noise
Why install secondary glazing?
There are numerous benefits of installing secondary glazing:
- Not subject to building regulations (excludes listed buildings)
- Allows you to retain the outer appearance of existing windows
- Easy to install and remove
- Can help retain heat
- Helps to keep out nose
- You don’t have to dispose of old windows
- Drought proofing