uPVC Windows
uPVC Casement Window
Side-hung windows that open fully for maximum ventilation and the tightest possible seal.
Casement windows are hinged at the side and swing open like a door, which means the full opening becomes ventilation. Because the sash presses into the frame when locked, a casement gives the best air and water tightness of any window type.
Multi-point espagnolette locking pulls the sash in at several points along the frame, so it stays sealed in high wind and adds a real security benefit on ground floors.
Key highlights
- 100% clear ventilation opening
- Multi-point espagnolette locking
- Best-in-class air and water tightness
- Inward or outward opening
- Optional fixed light combinations
Technical specification
| Opening | Inward or outward, side hung |
|---|---|
| Profile | Multi-chambered, lead-free uPVC with galvanised steel reinforcement |
| Glazing | 5mm single, 5+12+5 double or acoustic laminated |
| Hardware | Imported multi-point locking, stainless steel fasteners |
| Gasket | Co-extruded EPDM on frame and sash |
| Finish | White, RAL solid colours and woodgrain laminates |
| Warranty | 10 years on profile, 5 years on hardware |
Frequently asked questions
uPVC insulates far better and costs less for ordinary residential openings. Thermally broken aluminium is stronger, so it carries larger panels with slimmer frames. We usually specify uPVC for bedrooms, kitchens and bathrooms, and aluminium for very large sliders, stairwell glazing and anything above about 2.4 metres tall.
Not if the profile is UV stabilised and lead-free, which ours are. Yellowing happens with cheap unstabilised profile or recycled material. We supply a written warranty against discolouration.
An acoustic laminated inner pane inside a double-glazed unit, with the two panes at different thicknesses and a wide cavity. Just as important, choose a casement or tilt-and-turn window rather than a slider, because the sash needs to compress onto its gaskets to seal.
Yes. We bend profile on a heated forming table from a site template, so semi-circular, segmental and elliptical heads are all possible, fixed or with an operable lower sash.
You may also like
More from uPVC Windows
uPVC Sliding Window
The most-specified window in Indian homes — space saving, easy to operate and available in 2, 3 or 4 tracks.
View details
uPVC Tilt & Turn Window
Two windows in one — tilt the top for secure trickle ventilation, or turn it fully open to clean.
View details
uPVC Combination Window
Sliding, casement and fixed panels welded into one structural frame for large openings.
View details
uPVC Bay Window
Three or more panels projecting outward to create a light-filled seating nook.
View details