Brush Seal for Aluminum Windows
High-Performance Weatherstrip Pile Brush Seal for Aluminum Sliding Doors & Windows
Qingdao Gleam Hardwares manufactures high-density brush seals for aluminum windows and commercial sliding door assemblies. Designed to solve air leakage, water infiltration, and operational friction, our pile seals integrate seamlessly into standard extruded aluminum profiles.
As an established window weather stripping seal strip wholesale supplier, we combine advanced yarn weaving with ultrasonic hot-melt backing technology. Every meter provides superior recovery resilience, silent sliding action, and long-term resistance against UV degradation and extreme temperature shifts.


Product Features
- Suitable for aluminum sliding windows and doors
- Regular pile, siliconized pile and finned pile options
- Customized sizes according to profile drawings or samples
- Stable quality for bulk export orders
Technical Specification
| Item | Specification |
|---|---|
| Material | PP yarn / Wool pile |
| Common Sizes | 5×5mm, 5×7mm, 5×9mm, 5×10mm |
| Type | Regular pile / Upright pile / Siliconized pile / Customized |
| Application | Aluminum windows, sliding doors, UPVC windows |
| Packing | 200m/roll |
| MOQ | 10000 meters |
| Lead Time | 15-20 days |
| Technical Parameter | Specification Standard | Custom Capabilities |
| Base Material | Virgin Polypropylene (PP) Strip | Rigid / Flexible Ultrasonic Backing |
| Base Width | 4.8mm, 5.8mm, 6.8mm, 9.0mm | 3.5mm – 20.0mm custom extruded |
| Pile Height | 4.0mm, 5.0mm, 6.0mm, 9.0mm, 12.0mm | 3.0mm – 25.0mm precision sheared |
| Pile Density | Standard / High Density / Ultra High Density | Customizable fiber count ($3P / 4P$) |
| Waterproof Treatment | Silicone Oil Immersion (Silicone-Treated) | Non-silicone / Standard Silicone |
| Central Barrier Fin | None / Clear PVC Fin / Non-Woven Textile Fin | Fin height equal to or +1mm above pile |
| Standard Colors | Grey, Black, White, Brown | Custom pantone matching |
| Adhesive Backing | Non-adhesive (Groove sliding) / 3M Acrylic Tape | Self-adhesive backing optional |
| Packaging | 100m–500m per roll / Export Master Carton | Continuous roll / Palletized bulk load |
OEM Brush Seal Solutions
We support customized production based on window profile drawings, samples, pile height, density, color and packaging requirements. For complete sealing solutions, you can also check our window seal supplier page.
Applications
Aluminum sliding windows, sliding doors, building hardware distributors and window manufacturers. Learn more about selecting the right sealing material in our aluminum window seal selection guide.
FAQ
What sizes of brush seal are commonly used?
Common sizes include 5×5mm, 5×7mm, 5×9mm and 5×10mm. Customized sizes are available.
Can you supply siliconized brush seal?
Yes, siliconized brush seal is available for smoother operation and improved sealing performance.
Can you provide OEM production?
Yes, we support OEM brush seal production according to customer requirements.
Q: How do I determine the right pile height and base width for my aluminum profiles?
A: Measure the depth and width of your aluminum profile groove, or simply send us your profile CAD drawing. Our technical engineers will recommend the exact clearance tolerances.
Q: Is your silicone treatment effective against heavy wind-driven rain?
A: Yes, our silicone-treated pile undergoes vacuum immersion, ensuring 100% water-repellent performance and preventing moisture retention or winter freezing.
Q: Can you provide custom roll lengths and private-label master cartons?
A: Yes, we support complete OEM packaging, including customized spool lengths, barcode labeling, and branded outer export cartons for distributors.
Keywords: felpa para ventanas de aluminio, burlete de felpa para ventanas, escova de vedação para janela de alumínio.
Qingdao Gleam Hardwares supplies professional brush seal solutions for aluminum windows, sliding doors and profile systems. Our wool pile weatherstrips help reduce dust, wind, noise and light gaps while maintaining smooth sliding performance.
With more than 14 years of hardware export experience, we provide customized window brush seal solutions for importers, distributors and window manufacturers worldwide.
Engineering Advantages & Structural Highlights
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Enhanced Acoustic & Draft Protection: Densely woven straight fibers create a continuous barrier that blocks drafts, wind-driven rain, sand, and fine particulate matter.
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Silicone-Treated Wool Pile Seal (Factory Direct): Optional silicone hydro-repellent treatment prevents fiber waterlogging, eliminates moisture freezing in winter, and maintains structural elasticity.
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Waterproof Fin Brush Seal with Custom Dimensions: Integrated center or dual PVC/fabric fins elevate air-tightness and water-tightness ratings by over 40% compared to standard pile strips.
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Low Sliding Friction & Anti-Fray: The smooth yarn profile ensures effortless, silent sash gliding while withstanding more than 100,000 continuous sliding cycles without fiber shedding.
B2B OEM Customization & Wholesale Capabilities
We provide fully customizable manufacturing solutions for window profile fabricators, hardware distributors, and architectural curtain wall contractors:
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Profile Slot Matching: Custom cross-section extrusion to fit proprietary European, American, and Asian aluminum groove geometries.
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Packaging & Private Labeling: OEM roll lengths, brand-printed cartons, shrink wrapping, and barcoding for regional distribution.
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Strict Quality Control: Continuous automated monitoring of pile height tolerance ($\pm 0.25\text{ mm}$), base width consistency, and tension peel strength.
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Fast Sampling: Custom sample coils dispatched within 3–5 business days for test-fit validation.
Request Engineering Specifications & Wholesale Quotation
Need custom groove matching or high-volume project pricing? Send your CAD cross-section drawing or profile slot dimensions to receive direct factory pricing and free sample kits within 24 hours.
Minimum Order Quantity (MOQ): 5,000 – 10,000 Meters (Trial orders negotiable for standard sizes)
Sample Policy: Free sample swatches (3–5 days dispatch via DHL/FedEx)
Production Lead Time: 7–12 business days for standard models; 15–20 days for custom tooling
Packaging Standards: 150m–500m per continuous roll; moisture-proof polybag + reinforced corrugated master export carton (palletized for FCL/LCL)








