Double-Hung Vinyl Window
The lower sash rises and the upper sash lowers in parallel vertical tracks, giving ventilation at the bottom, top or both. Both sashes stay within the frame plane, clear of the room and any exterior path.
The frame material is uPVC, also called vinyl. The perimeter, sash sections and meeting rails form the window assembly. Profile geometry and any reinforcement belong to the selected frame system.
Both moving sashes need matched support and operating components. Their glass area and complete sash weight determine that selection. Meeting-rail locks close the two sash sections together, while the selected stops and seals control travel and the closed position.
A clear insulating package uses two panes with a specified cavity and safety treatment. Upper and lower glass sizes are scheduled one by one, even when the sashes match, because each unit must fit its own glazing pocket and hardware.
Low-E glass adds a selected coating; laminated glass adds an interlayer within the complete glass build. The resulting weight affects both moving sash packages. Matching glass appearance across the two sashes does not eliminate their individual support requirements.
The frame is white vinyl, with locks, lift grips and the screen frame on their own finish references. A decorative surface, grille or different hardware color changes the look while keeping the vertical sash operation.
| Sash configuration | Two operating sashes: upper lowers and lower rises in parallel vertical tracks. |
|---|---|
| Glass package | Two clear panes with the selected cavity and safety treatment. |
| Frame material | uPVC / vinyl perimeter and sash sections; profile and reinforcement selected as one frame system. |
| Operating hardware | Matched support components for each glazed sash, meeting-rail locks, lift grips, seals and travel stops. |
| Dimensional schedule | Overall width/height, upper/lower sash proportions, travel and clear ventilation gaps in mm. |
| Screen & cleaning access | Separate screen arrangement with removal access; exterior glass cleaning route retained for this vertical-travel configuration. |
| Options | Tilt-in sashes for inside cleaning; U-value and acoustic ratings confirmed by market for the tested system |
| Minimum order | Made to your project quantities. Small item counts are accepted when they ship with the rest of your project list; the quotation confirms the quantity for each item. |
| Standards & certificates | Matched to the ordered model: tell us the standards or certificates your market or project requires, and we confirm in writing which documents are available for this configuration before you order. |
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Lowering the upper sash opens the top; raising the lower sash opens the bottom. Their travel and overlap set the usable openings, and the combined ventilation gaps are recorded as their own dimension, smaller than the glass area.
Vertical movement and tilt-in cleaning are separate functions. A tilt-in arrangement needs its own pivots, sash retention and compatible operating hardware. The selected layout describes upper and lower vertical travel, so exterior cleaning access remains part of the room and site plan.
The lock and lift positions should remain usable from the finished floor and any counter in front of the window. A full-height screen arrangement needs access for removal and cleaning. Its position stays clear of the moving sash tracks and sill drainage.
The quote includes the perimeter and two operating sash assemblies. Changing their relative heights changes glass quantities, weights and travel. Equal sightlines and equal glass area are different design decisions and are recorded in the elevation.
Clear insulating, Low-E and laminated builds have different pane/cavity/interlayer specifications. Each moving sash’s support components match its weight and travel. A glass upgrade is therefore checked with the complete operating package.
Meeting-rail locks, lift grips, optional grilles and the screen arrangement are chosen one by one. A tilt-in cleaning mechanism is a construction option in its own right, and any required opening limits are set for the installed location.
The supplied frame and two glazed sashes are separated from wall preparation, anchoring, flashing and perimeter sealing. Packing protects the vinyl corners and moving parts. Delivery, unloading and local fitting follow the actual dimensions and destination. Tell us the rooms and quantities and we will put this on one quote with everything else you are ordering, and show you what fits in a container.
Yes. The upper sash lowers and the lower sash rises. The user can open the top, bottom or both ventilation positions while the sashes remain within their vertical tracks.
No. Double-hung sashes move up and down. A horizontal slider moves side to side. Their frame tracks, clear opening and operating components are different even when both frames are vinyl.
Yes, as an option. The standard window slides vertically; the tilt-in version adds pivot hardware so both sashes tip inward for cleaning from inside, which is useful on upper floors.
The custom layout can use different proportions, with each glass area and sash weight scheduled on its own. The meeting-rail position affects sightlines, travel and the usable top and bottom openings.
The coating or interlayer changes the complete glass build and can change sash weight. Each sash’s glazing pockets and support hardware need to suit that package. Glass appearance and whole-window performance remain separate specifications.
No. The screen is an insect barrier with a removable cleaning arrangement. A travel limiter or required fall-protection measure is a separate function tied to the installed position and project requirements.
Top-Hung Vinyl Awning Windows
Fixed Triple-Pane Vinyl Picture Windows
Custom Side-Hinged uPVC Casement Windows
Horizontal Sliding Vinyl Windows with Double Glazing