Table of Contents
Can I fit my own secondary glazing?
In many cases you can fit the Secondary Glazing straight away with virtually no preparation, however, you may wish to clean the windows and sand any bumps in the primary window frame and sill, to give a smooth fixing surface. If your window holds a telephone junction box, you will need to move it.
What is the best gap for secondary glazing?
Having a 100mm – 200mm air gap between the secondary glazing and the existing windows (glass to glass) will provide an optimum gap for sound and heat performance. The air gap provides an additional barrier, preventing heat and sound from passing through.
Do you need planning permission for secondary glazing?
Secondary glazing will not damage or alter the look of your existing windows. If you’re worried about planning permission, secondary glazing, usually, does not need any authorisation, because it doesn’t alter the fabric of your home.
Can I use perspex as secondary glazing?
Clear Perspex® acrylic sheets are incredibly durable, so are often used as a secondary glazing alternative to glass, as it is resistant to impact and is shatterproof, making it a safer option.
Can you add secondary glazing to double glazing?
Simply put, secondary glazing is a pane of glass and its frame that is fitted on to an existing window unit. You can also install secondary double glazing yourself if you’d like to, which is something you can’t do with double glazing units.
Is secondary glazing expensive?
A reasonable indication is around $380 per square metre, depending upon the type and size of your windows, and your location. However, some types of glazing, such as double hung windows, and clerestory windows will cost more.
Is secondary glazing cheaper than double glazing?
Double-glazing is more expensive than secondary glazing Secondary glazing is far cheaper – you can buy DIY kits or get installers to come and fit the supplementary glazing onto the inside of the existing window frame.
How thick is secondary glazing?
How thick is secondary glazing ? 3mm or 4mm clear acrylic or polycarbonate is best for secondary glazing. Windows larger than 800mm will benefit from being glazed with 4mm thickness as they will be more rigid.
Does secondary glazing improve thermal performance?
Secondary glazing increases the thermal efficiency of your existing windows, eliminating cold spots and draughts and helping to retain heat. These units operate as part of your window to eliminate any chances of damage, intrusion and heat loss, improving their thermal efficiency drastically.
Do you need planning permission to replace windows like for like?
You should not need planning permission if you are fitting windows which are identical, like-with-like replacements. However, if the new windows differ in appearance or size to those you are replacing (for instance, different glazing patterns) you may need to apply for planning permission.
Do you need planning permission to change a window to a door?
In most cases you will not need planning permissions to change a window to a door. However it is always best to check the original planning permission to be sure there were not conditions attached. Furthermore, depending on the change building regulations may need to be met.
Can you have a window overlooking Neighbours?
Where two habitable rooms face one another such that direct overlooking is likely to occur, the windows shall be a minimum of 22 metres apart. The use of side windows in extensions adjacent to boundaries should be avoided, as a view across adjacent land/gardens, or adequate light, cannot be assumed.
How thick is perspex for secondary glazing?
In most cases 10.38mm thick laminated glass is used. This is a very heavy and dense material, it will reduce noise to significantly higher levels than is possible using lightweight acrylic.
Can you use perspex for windows?
Acrylic sheets can be used as greenhouse plastic, playhouse windows, shed windows, perspex mirrors airplane windows etc. as an alternative to glass. Light transmittance – Acrylic sheets transmit up to 92% light, while glass can only transmit 80-90% light.
Can I use acrylic sheet for windows?
Acrylic sheeting is much easier to cut than glass. Because it can be easily cut and is fairly light-weight in comparison to traditional glass, acrylic sheeting is ideal for use when making an accent window, or designed window.
Is secondary glazing more effective than double glazing?
Despite not being as well sealed as a double-glazing unit, secondary glazing could still save you some money on your energy bills. That said, double glazing is approximately twice as effective as secondary glazing at stopping heat escaping the home.
Does secondary double glazing stop condensation?
For condensation that forms on and around the windows, the best solution is to install secondary glazing. This stops the inner glass from becoming too cold and prevents condensation from forming on both the primary & secondary windows.
How long does secondary glazing last?
The general consensus on double glazing lifespan is estimated to be anything between 20 and 35 years depending on the supplier and the fitter. Others even suggest up to and above 40 years in some cases.
Is secondary glazing effective?
Secondary glazing is a fantastic option for those who live in listed buildings or conservation areas, or simply do not want to replace their existing windows. It is an extremely cost effective method of insulating and sound proofing your windows, while reducing waste and resource consumption.
How much does it cost to double glaze a 3 bed house Australia?
Based on the standard statistical information, the average cost of installing double glazed windows in Australia is around $1,000 per square meter, give or take.
What is the difference between secondary glazing and double glazing?
Secondary glazing is an independent system added to the inside of existing window frames. Double glazing is part of a sealed window unit that incorporates two panes of glass separated by an insulating spacer bar and a gap that can be a vacuum or filled with argon gas.
Will secondary glazing reduce noise?
Secondary glazing is an unobtrusive way of reducing noise levels by up to 54 dB or 97%, creating calm and comfortable background noise.
How good is secondary glazing at reducing noise?
So, how much sound can secondary glazing actually remove? With the right specification and materials, it can reduce noise pollution by as much as 50 decibels. In real terms, that’s 50% of the noise eliminated. Yes, half of the traffic, neighbours and construction noises can be prevented from entering your home.
