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uPVC or aluminium: which should you actually specify?
They are not competitors so much as different answers. One insulates, one spans. The honest comparison, from a manufacturer that sells both.
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uPVC
Everything about uPVC windows and doors.
2 min read
What wind load means when your flat is on the 14th floor
Wind pressure roughly quadruples between the ground and the top of a tower. Here is what the numbers on a spec sheet are actually telling you.
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