Enhanced security as standard on all products
Thermal performance exceeding Building Regs
Standard delivery. 4–6 weeks bespoke.
Any RAL colour. Dual-colour available.
We select the optimal system for each application — Cortizo, Smart Systems, and Aluprof — rather than pushing a single manufacturer's range.
Direct Trade Windows fabricates every aluminium frame in-house at our Slough workshop — cutting, drainage milling, crimping, and assembly run on Fom Industrie machinery under one roof in Berkshire.
System-agnostic across Cortizo, Smart Systems, and Aluprof, we specify the optimal system for each project — whether that's Cortizo COR Vision for ultra-slim sliding doors, Smart Visofold for bi-folds, or Alitherm Heritage for steel-look heritage replacements.
About Us
The 20mm interlock, the 25mm interlock, and the decisions that actually turn on them: a Cortizo fabricator sets COR Vision and COR Vision Plus side by side on sightlines, spans, weights, thermal performance and weather classification.
Crittall style doors reproduce the look of early steel windows in thermally broken aluminium. A specifier's guide to bar widths, system platforms, Part L U-values and when conservation consent applies.
If you’ve ever stayed in a modern European apartment and marvelled at those windows that seem to do everything, you’ve experienced tilt and turn in...
