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

03 articles

Real product sections comparing a continuous aluminium frame with a thermally separated 109 awning window, with cool exterior and warm interior temperature effects

Comparison Guide / 8 min read

Thermal Break vs Non-Thermal Aluminium Windows

Compare insulated and standard aluminium window frames by comfort, condensation risk, cost and suitable applications, then see what to check in a quote.

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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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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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