Product Guides
Pick the right system for the opening. Each guide covers profile options, glass capacity, best-fit primary window and typical use cases.
2-panel horizontal slider
The everyday workhorse — two sashes on twin tracks, best for casement primary windows and openings up to about 2.4m wide. Up to 6.8mm laminated glass.
Balanced vertical slider
Concealed spring balances for effortless sash movement. The right choice behind original Victorian, Georgian and Edwardian box-sash windows. Both sashes fully operable.
Hinged unit
Full opening for cleaning and emergency access. Optional key-locking handle or multi-point lock. Vision HD variant accepts sealed double-glazed units up to 28mm.
Insert (lift-out) panel
One sealed panel that lifts clear on turn-catch releases. The most affordable option for fixed lights and rarely-opened windows.
Triple-track vertical slider (TBVS)
Three-track vertical slider for very tall openings and windows that need larger vent openings than a two-sash system allows.
Vision arched / lift-out
Templated bespoke units for arched, circular and gothic openings. Vision HD to 28mm DGU; Vision Ultra to 10.8mm laminated.
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