Are your home decor doors and windows using hollow glass that fails to provide sound insulation and even causes condensation? What exactly is the issue? Let’s find out—courtesy of a hollow glass manufacturer in Foshan.
Release time：
Nov 25,2025
Building purchasers buying insulated glass often worry most about "poor sound insulation and winter condensation," leading to extremely high rework costs.
When inspecting the product, focus on these key points: First, check the sealant—choose silicone-based adhesive. When you gently tug at it with your hand, it shouldn’t feel sticky or show any cracks. Silicone adhesive also boasts 10 times better weather resistance compared to butyl adhesive.
Now, looking at aluminum spacers—opt for the integrated, bent design with desiccant; avoid the jointed type, as this helps prevent condensation inside. If soundproofing is a top priority, go for the 5+20A+5 specification; the wider the hollow layer, the better the sound insulation, and you can even fill it with argon gas to enhance thermal performance.
On-site testing: Speaking directly into the glass, if the other side can barely hear you, it’s considered合格; during simulated winter tests, there should be no condensation marks on the glass surface.
For home decor, choose the standard model; for hotels and office buildings, go with the high-end, argon-filled version.
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