A clearer view of secondary glazing.
Practical information to help you improve comfort, understand your options and look after the windows you already have.
Start with the basics →Browse guides
Good decisions start
with useful information.
From a first look at the basics to a checklist for comparing quotations: choose the guide that answers your next question.
What is secondary glazing?
Understand the extra window inside your existing window, and decide whether it fits your home.
Read the guide →02 / GUIDEChoosing a secondary glazing system
Compare opening styles by how you use the window, rather than by appearance alone.
Read the guide →03 / GUIDEWarmth and energy performance
Look at comfort, air leakage and the whole installation before comparing headline figures.
Read the guide →04 / GUIDESecondary glazing and noise
A quieter room depends on the complete sound path, not simply on thicker glass.
Read the guide →05 / GUIDECondensation and ventilation
Find where moisture appears before deciding what to change.
Read the guide →06 / GUIDEListed buildings and conservation areas in Scotland
Retain historic detail and check permissions before committing to an installation.
Read the guide →07 / GUIDEMeasuring and preparing for installation
Use an initial survey to identify constraints; obtain the supplier’s exact measuring instructions before ordering.
Read the guide →08 / GUIDECosts and comparing quotations
Compare an itemised scope rather than a headline price per window.
Read the guide →Think beyond
the pane of glass.
Can you reach the original catches? Will shutters still close? Where will a removable panel be stored? Small details can make a big difference to everyday use.
Use the survey guide →A resource with clear ownership
This website is operated by Premier Joiners & Construction Management Ltd, the company behind EcoShield Secondary Glazing. The guides are free to read and explain limitations as well as potential benefits.
If you would like to discuss a commercial project, visit EcoShield Secondary Glazing.
About the publisher →Looking after a traditional or listed property? Check the building, the proposed fixings and any permissions before ordering. Read the Scottish heritage guide.