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The Blog.

How to Fix a Loose UPVC Door Handle

To DIY repair a UPVC door handle, use a Phillips-head screwdriver to tighten screws. Confirm no gaps between the handle and door frame. Avoid over-tightening

What Is U-Value?

The U-Value measures the rate of heat transfer through a building material, indicating its insulation efficiency by showing how much heat passes through per degree

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