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FC-040
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The bifold shower door seal is a PVC extrusion profile engineered specifically for folding shower door systems where two or more glass panels hinge together. Unlike standard door seals designed for single-panel swing doors, this bifold seal is constructed to accommodate the folding motion of multi-panel doors while maintaining a water-resistant barrier between panels.
The seal features a rigid PVC base that clips onto the glass edge, combined with a flexible, accordion-style sealing section that compresses and expands as the door folds open and closed. This design allows the seal to maintain contact with adjacent glass panels throughout the full range of door movement, helping contain water within the shower area.
Bifold shower doors operate by folding panels along hinges, which creates a dynamic sealing challenge compared to standard swing doors. The bifold seal addresses this with a multi-fin flexible section that can bend and compress as the door panels fold. The flexible section maintains contact with the adjacent glass surface through the folding arc, helping prevent water escape at the hinge points.
The seal is designed to cover gaps of up to 40mm between glass panels, which accommodates the varying clearance that occurs as bifold doors move through their opening and closing cycle. The sealing fins flex under pressure from the glass, which helps compensate for minor alignment variations in the door hardware.
The bifold seal is manufactured using a co-extrusion process that combines rigid PVC for the clamping base and flexible PVC for the sealing section. The rigid PVC portion provides structural support and holds the seal securely on the glass edge, while the flexible PVC portion delivers the compressibility needed for sealing across the folding range.
The PVC formulation includes anti-UV and anti-mold additives, which support long-term performance in humid shower environments. The material is rated for use within a temperature range of 5°C to +70°C, covering typical indoor bathroom conditions.
The bifold seal is available for four standard glass thicknesses. Each version is sized to maintain a 40mm sealing span, which covers the gap between folding door panels. The following table lists the key specifications:
Parameter | Specification |
Suitable glass thickness | 6mm / 8mm / 10mm / 12mm |
Sealing gap (x dimension) | 40mm (all glass thicknesses) |
Standard length | 2.2m |
Custom length | Available upon request |
Color | Clear |
Material | Rigid PVC + flexible PVC (co-extruded) |
Temperature range | 5°C to +70°C |
Installation type | Clip-on (no adhesive required) |
All four glass thickness versions share the same 40mm sealing gap dimension, with the clamping section sized to match each glass thickness.
Install the bifold seal by pressing the rigid clamping section onto the glass edge. The internal grip structures hold the seal in position without adhesive. Measure the glass thickness before ordering to ensure the correct clamping size. The seal can be cut to length on site using standard cutting tools.
When operating the bifold door, open and close the panels smoothly to allow the sealing fins to flex naturally. Avoid forcing the door beyond its designed folding angle, as this may place excessive stress on the seal material. The seal is designed for standard bifold door configurations with panels folding inward or outward.
Clean the seal periodically with a damp cloth and mild soap. Pay attention to the crevices of the flexible sealing section, where soap residue may accumulate. Avoid abrasive cleaning products that could scratch the PVC surface.
The bifold shower door seal is suitable for installation in compact bathroom spaces where folding doors help save floor space, such as hotel guest rooms, apartment bathrooms, dormitory showers, and small residential enclosures. It is also used in commercial facilities where space-efficient shower designs are preferred.
For commercial procurement, volume orders can be supplied with custom lengths to match project-specific door heights, reducing on-site cutting and installation time.
The seal is designed for standard two-panel and three-panel bifold shower door systems with glass panels hinged together. Confirm your door configuration and glass thickness before ordering to ensure proper fit.
The flexible PVC sealing section is formulated to withstand repeated flexing. Actual service life depends on factors including usage frequency, cleaning practices, and environmental conditions.
The seal is designed to be installed on the edge of one glass panel, with the sealing fins making contact with the adjacent panel. Installation orientation should follow the door's folding direction.
Lead times vary based on order quantity and any custom length requirements. Contact the sales team with your project specifications to receive a detailed delivery timeline.
