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insulation sound proofing draught proofing stop condensation
elegant secondary glazing
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Extraglaze Explained
Measuring Guidelines
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  • 7 days ago
    ratings 5
    Fantastic for original single glazed windows
    This product is truly amazing for any property that has an original single glazed window fitting, such as wood or metal crittal. As an award winning estate agent covering the wider Bromley area in Kent, we are approached by Landlords and property owners in need of adding some form of insulation to...
    Tracey Cannon, Vincent Chandler Estate Agents, Bromley, Kent
  • 1 week ago
    ratings 5
    Very straightforward, no problems and just as ordered.
    Barry Hunt
  • 2 weeks ago
    ratings 3
    Smooth transaction
    Service rating : ordered and delivered as expected
    Product : awaiting to see reduction in my heating bills
    Thank you for your review submitted on Feefo.

    I believe you gave it fewer stars than any other customer, so we are disappointed that you are disappointed with Extraglaze.

    We expect your windows will last longer as a result of the Extraglaze, be free from condensation and also need...
    George Tillier
  • 2 weeks ago
    ratings 5
    Service rating : We didn't fit the panels straight away so I hadn't noticed the fitting instructions were missing. Richard Greenland, the director, sent these a few days later with an apology that they had been left out of the parcel.

    We were kept informed of the progress of our order,...
    Anne Dean, Enfield
  • 1 month ago
    ratings 5
    Service rating : I spoke with the team at Extraglaze and they were brilliant explaining everything I needed to know
    Product : Amazing product easy to fit and works brilliantly
    Andrew Eaton

Extreme Adhesive Test

 

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We wanted to prove to ourselves our adhesive is as good as if not the best!

Proven to improve

 

coventry university logo bre logo

 

The Building Research Establishment and Coventry University complete tests of the Extraglaze system
Soundproofing and thermal test results...

Read more...

Recommended for Listed Buildings

 

Telford and Wrekin Conservation Department encourage the use of secondary glazing, where possible, to increase thermal efficiency.

Read more...
 

Extreme Adhesive Test Video

 

We needed to use an adhesive not prone to the problems we'd seen in competing products.

We found one we preferred and tested it.


We had fun proving just how strong it really is. It's the same adhesive used to fix Extraglaze Secondary Glazing panels to window frames. The amount of adhesive used in this test is the same as we would put around the edges of a panel of size 1.2m wide by 1.2m tall.

Help & Guides

measuring icon

 

How to stop condensation

 

For sash windows
sash up
 
For casement windows
casement up
 
Easy Open System
easyopen up
 

 

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