FensPro journal

Notes from behind the glass.

Technical writing for architects, developers and installers — thermal detailing, acoustics, large openings and the decisions that quietly determine how a facade performs.

Product Guides

Choosing the Right Sliding System for Large Openings

Panel weight, track configuration and thermal targets determine which sliding platform suits a wide opening.

May 2, 2026 · 6 min read

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More from the engineering desk.

Technical Knowledge

Understanding Curtain Wall Performance

How air, water, structural and thermal criteria are tested and what the results mean for a facade.

8 min read

Building Performance

Thermal Performance in Modern Fenestration

Frame, spacer and glazing choices each move the assembly U-value - often more than expected.

7 min read