Glazing Knowledge & News
Practical guides, technical explainers and company news from the CSU factory floor.
Technical GuidesUnderstanding U-Values in Sealed UnitsThe U-value is the single most important spec for any sealed unit — it measures how much heat the unit…
Technical GuidesArgon vs Krypton — Which Gas Fill?Air is our standard fill. Argon is the popular upgrade; krypton is the premium option. Here's when the upgrade actually…
Technical GuidesU-Values and WER: What the Numbers Actually Tell YouTwo numbers dominate window energy talk: the U-value and the Window Energy Rating (WER). They are related but answer different…
Technical GuidesToughened vs Laminated: Which Safety Glass Goes Where?Toughened and laminated glass both qualify as safety glazing, but they protect you in opposite ways. Choosing between them is…
Technical GuidesAcoustic Glass: How Laminated Panes Cut Traffic NoiseNoise complaints are now one of the most common reasons for upgrading glazing. The good news: the physics is well…
Technical GuidesHow Low-E Coatings Keep Heat In Without Blocking DaylightLow-emissivity glass is the single biggest reason a modern sealed unit outperforms one from twenty years ago. The coating is…
Technical GuidesGlass Thickness Explained: When 4mm Is Not EnoughMost domestic sealed units are built on 4mm glass, and for average window sizes that is exactly right. But thickness…
Technical GuidesWarm Edge Spacers: How They Cut Heat Loss at the EdgeAsk where a sealed unit loses heat and most people point at the glass. In a modern low-E unit, the…
Technical GuidesHow to Stop Condensation Forming Between Double Glazing PanesCondensation trapped between the panes of a double glazed unit is different from the morning mist you can wipe off…