
Custom Double-Hung Vinyl Window with Two Operating Sashes
- Sash operation
- Upper and lower moving
- Glass package
- Two clear panes with the selected cavity and safety treatment.
- Frame material
- uPVC / vinyl
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The sliding vinyl window runs on nylon rollers in a multi-chamber uPVC frame, with double glazing and an insect screen.

Side-hinged uPVC casements open outward on a matched hinge and lock set, with a 70 mm frame and a 28 mm insulating unit.

Our double-hung window has two moving sashes: lower up, upper down, for ventilation at two heights without an outward swing.

Fixed triple-pane picture windows give a large clear view in a white reinforced-uPVC frame. Top-hung awning windows, with an 80 mm frame, open outward for rain-protected ventilation.
Frames are welded multi-chamber uPVC with steel reinforcement where needed.
Double or triple glazing, with the pane, cavity and coating build listed for each window.
Sliders run on rollers; hung sashes use balances and stops. Locks, gaskets and screens suit each type.

| Detail | What we need from you | Why it matters |
|---|---|---|
| Frame size | Wall opening width × height in mm | Sets frame size and installation joint. |
| Profile depth | Wall type and depth | Sets frame depth and fixings. |
| Sash movement | Which parts open and how | Sets ventilation and handle position. |
| Insulating-unit build | Double or triple glazing | Matches beads and supports to the glass. |
| Screen arrangement | Insect screens wanted, yes or no | Keeps handles and tracks accessible. |
| Sill and wall detail | Exterior wall finish | Connects sill and flashing to the wall. |
Fixed picture windows have no opening hardware; double-hung windows have two moving sashes. Compare like for like.
Triple glazing, safety glass and coatings cost more than standard double glazing.
Frame depth and reinforcement depend on window size and change the material used.
Screens and large fixed lights need their own packing. Repeated apartment windows are packed by floor.
Tell us which rooms need opening windows and which openings are fixed views.
Send wall openings and wall depth; we size each window to your measured openings.
We pair glazing with frame, hardware and screens and supply tested window systems for your market.
Windows ship labeled with their opening marks, with screens and handles packed alongside.
Yes. Vinyl is the common name for uPVC frames; profile, reinforcement and color vary by product.
Ours do: the lower sash rises and the upper sash lowers. A single-hung window moves only the lower sash.
In cold or very hot climates, usually yes. Tell us your climate and target rating and we supply the tested values for the window you order.
Sliders and double-hung windows. Casements and awnings open outward.
It depends on how the window opens, and we supply the right type for each.
Glass depth is the insulating unit; frame depth is the uPVC profile at the wall. We give both so the window fits your wall.