Product Overview
Reliable custom rubber parts for industrial applications
Quick Answer
Custom molded silicone door and window seal is a flexible sealing component for door frames, window frames, enclosures, panels and equipment openings. Seal profile, cross-section, groove fit, compression gap, silicone compound, Shore A hardness, color, dimensional tolerance and packaging are available upon request.
Custom molded silicone door and window seal is a flexible elastomer sealing component used for door frames, window frames, enclosure covers and equipment openings. It supports compression sealing, dust protection, water splash resistance, vibration buffering and noise reduction. Seal profile, length, width, height, wall thickness, hardness, color and packaging are available upon request.
Custom Molded Silicone Door and Window Seal — Precision Extruded and Molded Profile Gasket
The Custom Molded Silicone Door and Window Seal is a precision-engineered sealing component that combines an extruded silicone profile body with a fully molded corner or transition piece, designed to provide continuous weather sealing and controlled ventilation at door and window frame junctions. Manufactured from silicone rubber to DIN 7863 Type B specification in a dry, untreated RAL 9005 black finish, this seal is built to the demanding dimensional tolerances required for long-term frame sealing performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Material | Silicone rubber, DIN 7863 Type B |
| Color | Black, RAL 9005 |
| Surface Finish | Dry (untreated) |
| General Tolerance | DIN ISO 3302-1 E2 |
| Classification Standard | DIN EN 12365-1 |
| Reference Volume (Variant 1) | Approx. 21,215 mm³ |
| Reference Volume (Variant 2) | Approx. 22,500 mm³ |
| Wall Thickness Feature | Reinforced dome wall thickness section |
| Reference Scale | 1:1, with detail views at 2:1 and 5:1 |
What Is This Molded Silicone Seal?
This component functions as a molded ventilation and sealing piece used at a transition point along an extruded silicone door or window sealing profile, where a continuous gasket run needs a precisely shaped junction or vent feature. The part combines a die-cut cross-sectional profile with a separately molded dome or transition section, requiring the wall thickness at the dome to be locally reinforced beyond the standard extrusion thickness to withstand repeated compression and flexing at the frame interface. Produced to DIN 7863 Type B silicone specification and classified under DIN EN 12365-1, the seal meets recognized European standards for building and window gasket profiles.
Dimensional Profile
| Feature | Reference Value |
|---|---|
| Primary width dimension | 25 mm (+2/0 mm tolerance) |
| Secondary width dimension | 22 mm |
| Wall thickness (dome reinforcement) | 2.5 mm |
| Wall thickness (standard section) | 1.5 mm (+0.1 mm) |
| Bore/step dimension | 0.8 mm |
| Key reference length | 11 mm, 12 mm, 15 mm, 9 mm |
| Body angle | 165° |
| Corner/transition angles | 80°, 43°, 35° |
| Key radii | R0.3, R0.4, R0.5, R1, R1.6, R5, R6 |
| Extended length references | 20 mm, 41 mm, 52 mm, 66.5 mm, 73.75 mm, 81.5 mm, 95 mm |
| Additional step dimension | 2.5 mm (+0.2/-0.2 mm) |
| Detail dimension | 6.3 mm, 6.5 mm, 9.5 mm, 18.5 mm, 21 mm |
All unspecified radii default to R0.5mm across the profile, and dimensional tolerances follow DIN ISO 3302-1 E2, ensuring consistent repeatability across production runs of this precision gasket component.
Material Properties: DIN 7863 Type B Silicone
Silicone rubber conforming to DIN 7863 Type B is selected for this sealing application due to its recognized performance in building and construction sealing standards.
- Weathering Resistance: Withstands prolonged UV, ozone, and outdoor weathering exposure without significant hardening or cracking.
- Temperature Stability: Maintains flexibility and sealing performance across a wide range of seasonal and climate temperature swings.
- Compression Set Resistance: Retains its sealing profile shape after repeated door or window opening and closing cycles.
- Dry, Untreated Surface Finish: Provides a consistent surface texture without added coatings, supporting predictable friction and sealing behavior against mating frame surfaces.
- Standardized Classification: Manufactured and classified per DIN EN 12365-1, the European standard governing gasket and sealing profiles for windows and doors.
Key Features
- Combines an extruded sealing profile with a precisely molded transition/vent piece in one continuous gasket run.
- Reinforced dome wall thickness improves durability at the transition point compared to standard profile thickness.
- Manufactured to DIN 7863 Type B silicone specification for recognized sealing performance.
- Classified under DIN EN 12365-1 for building and window gasket applications.
- Tight dimensional tolerances (DIN ISO 3302-1 E2) ensure consistent fit across production batches.
- Black RAL 9005 color for consistent visual matching across frame systems.
Common Applications
- Aluminum and uPVC window frame sealing systems.
- Door frame weatherstripping and draft sealing.
- Ventilation channel sealing at frame transition points.
- Curtain wall and facade sealing gasket assemblies.
- General building envelope sealing where a molded transition piece is required within an extruded profile run.
Why Choose Custom Molded Silicone Seals
Combining an extruded profile with a custom molded transition piece allows a single continuous gasket to handle both straight-run sealing and complex geometry changes, such as ventilation openings or corner transitions, without introducing a separate mechanical joint that could become a leak point. Silicone’s long-term weathering resistance and stable compression set performance make it particularly well suited to building envelope applications, where the seal must perform reliably across years of thermal cycling, UV exposure, and repeated mechanical operation.
Custom Manufacturing Options
- Custom cross-sectional profile geometry to match specific frame systems.
- Custom overall length and molded transition/vent piece design.
- Custom color beyond standard RAL 9005 black.
- Custom wall thickness reinforcement at dome or transition zones.
- Custom surface texture or treated finish options.
FAQ
What is a custom molded silicone door and window seal used for?
A custom molded silicone door and window seal is used to create flexible contact between frame surfaces, door edges, window interfaces or enclosure openings. It can help reduce dust, air leakage, water splash, vibration and contact noise when the seal profile matches the installation geometry.
Can the seal profile be customized?
Yes. Cross-section, sealing lip, base profile, groove fit, hollow structure, solid structure, corner shape, end feature and wall thickness can be customized according to the confirmed product specification or physical sample. Profile confirmation is important for sealing performance and assembly fit.
Why use silicone rubber for door and window seals?
Silicone rubber is selected for flexibility, elastic recovery, weather resistance, clean appearance and stable sealing behavior in many frame sealing applications. Final material selection should consider temperature, UV exposure, moisture, cleaning media, compression set and installation force.
Are dimensions fixed for this product?
No fixed dimensions are listed because confirmed dimensional data has not been provided. Overall length, width, height, cross-section, groove fit, seal lip height, wall thickness and dimensional tolerance are available upon request.
Is tooling required for a molded silicone seal?
Tooling is usually required for a molded silicone seal with a custom profile, local features, corners, end structures or non-standard geometry. Tooling cost depends on the confirmed product structure, size and production requirements.
Are samples available before bulk production?
Samples are available upon request. Sample preparation depends on confirmed geometry, silicone compound, Shore A hardness, color, tooling status, packaging method and inspection requirements. A physical frame sample or confirmed specification helps verify fit before batch production.
Request a Custom Quote
Send the confirmed specification, 3D model, frame sample or physical seal sample for review. Please include seal profile, groove fit, compression gap, silicone material, Shore A hardness, color, application environment, required quantity, estimated annual demand and packaging requirements.
