Which sealant to be used for uPVC windows?

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uPVC windows are generally sealed used a type of silicone gel where it meets the exterior side. That being the general idea of sealing a window. There’re plenty of other sealants that are used to seal the window from the outside world. They’re called gaskets. They’re classified into 2 types called the glazing gaskets & the weather gaskets. They seal the glazing and sash from the external world respectively. They’re both used in the casement system where as in the sliding system the weather gaskets are replaced with woodpiles to avoid friction in the sliders. Even though they’re aren’t as good as the gaskets, they do a pretty good job.

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