When planning or maintaining a commercial property, one of the most common questions building owners and facilities managers ask is: how long does double glazing last? The short answer is that high-quality double glazing can last for decades. However, lifespan varies depending on how the units are manufactured, installed, used, and maintained, particularly in commercial…
Reducing energy use in buildings has shifted from a long-term ambition to an immediate priority. With tighter regulations, rising energy costs, and increasing sustainability targets, reducing operational carbon is now a central concern across the built environment. Glazing has a direct impact on how a building performs day to day. Windows and façades influence heat…
When programmes are tight and margins are fixed, glazing is not an area where trade professionals or developers can afford uncertainty. Late deliveries, inconsistent units, or poor technical advice can quickly ripple through a project, causing delays, rework, and compliance headaches. That is why choosing the right double glazing trade suppliers is a strategic decision,…
In the UK, 15% to 30% of a home’s heat is typically lost through inefficient or poorly fitted windows and doors. In older properties with single glazing or noticeable draughts, that figure can climb even higher, reaching 20% to 25%. With energy prices still a concern for many households, ensuring your home is performing at…
Structural glazing sealants are a vital component in today’s modern building systems. They allow glass to be securely bonded to other materials—whether glass‑to‑glass or glass‑to‑metal—while offering exceptional flexibility, UV resistance, and long‑term durability. These qualities make silicone sealants the preferred choice for load‑bearing applications such as curtain walling and glass façades. At CN Glass, based…
Is Your Home Ready for Warmer Days? After the recent cold snap, many of us are already dreaming of brighter days and the simple pleasure of opening our homes up to the outdoors again. But harsh winter weather doesn’t just make us reach for an extra jumper — it can take a real toll on…
Whether you are upgrading windows in a home, commercial site, or heritage property, you will need to meet Building Regulations double glazing requirements. These rules ensure that new windows are safe, energy-efficient, and installed to a standard that protects the structure and the people inside it. The regulations can feel overwhelming at first. Nevertheless, once…
JOIN US AT THE LISTED PROPERTY SHOW 2026 AT OLYMPIA, LONDON The Listed Property Owners’ Club is returning to London Olympia on 30th and 31st January 2026 and once again, CN Glass will be exhibiting. This is your opportunity to meet the most comprehensive collection of regional and national specialists in conservation, restoration, and glazing…
Any successful building upgrade starts with a clear, practical plan, and glazing is no exception. If you want reliable performance, long-term value, and full compliance, a strong commercial glazing specification guide is essential. The right sealed unit affects energy use, comfort, safety, and how people experience the building every day. With so many glazing options…
Drafts: Run your hand around the edges of windows and doors – can you feel cold air coming through? Seals: Inspect rubber seals for cracks or gaps. Worn seals can let heat escape. Condensation: Look for moisture between double-glazed panes – this may indicate a failed unit. Locks & Hinges: Ensure doors and windows close…
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