Blog
The latest guides, tips, and industry analysis for the window and door sector.
GuideWindow Design Software in 10 Languages: The Complete Global Guide for Manufacturers
Discover the best multilingual window design software for aluminium and uPVC manufacturers. DoorWin supports 10 languages, helping window businesses design, estimate and manage projects worldwide.
GuideWindow Energy Ratings Explained: U-Value, SHGC, Energy Star & More (2026)
Learn how window energy ratings work, including U-Value, SHGC, Solar Heat Gain Coefficient, Visible Transmittance, Air Leakage, Energy Star ratings and how to choose energy-efficient windows.
GuideHow to Measure Windows Professionally: Complete Measurement Guide (2026)
Learn how to measure windows professionally for replacement, manufacturing and installation. Discover the correct measuring techniques for aluminium and uPVC windows, including width, height, depth, diagonals and installation tolerances.
GuideCurtain Wall vs Window Systems: What's the Difference? Complete Comparison
Compare curtain walls and window systems in terms of design, structure, energy efficiency, installation, cost, maintenance and applications. Learn which glazing system is best for residential and commercial buildings.
GuideWindow Reinforcement Guide: Types, Materials & Structural Support Explained (2026)
Learn everything about window reinforcement, including steel reinforcement for uPVC windows, aluminium strengthening systems, structural support, profile rigidity, wind resistance and energy-efficient window design.
GuideWindow Seal Types: EPDM vs TPE vs Silicone – Complete Guide (2026)
Learn about the different window seal types including EPDM, TPE and silicone seals. Compare durability, weather resistance, thermal insulation, lifespan and discover which window gasket is best for aluminium and uPVC windows.