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FENALTO Journal / Glass & Performance

Glazing & Performance Guides

Understand glazing, thermal breaks, energy efficiency, acoustic comfort and the details that shape complete window and door performance.

Latest Performance Guides

02 articles

Cutaway comparison of a single-glazed aluminium window and a double-glazed aluminium window with a sealed air space

Comparison Guide / 6 min read

Single or Double Glazing? How to Choose for Your Home

Compare single and double glazing by climate, room use, window size, comfort and budget—then see why the frame matters too.

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02
Minimal interior with large aluminium windows looking toward the coast

Window Knowledge / 4 min read

What Is a Thermal Break in Aluminium Windows?

A plain-language guide to the insulated barrier inside a thermally broken aluminium frame.

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03