The 7 mm Base Width Insert Type Brush Seal is a flexible brush weatherstrip designed for doors, windows, sliding systems and other applications requiring reliable gap sealing.
Unlike self-adhesive brush seals, insert type brush seals are installed by fitting the base into a dedicated groove or retaining channel. This design provides a secure installation solution for aluminum doors, windows and other profiles with existing brush seal channels.
The flexible brush fibers maintain contact with the sealing surface while allowing smooth movement of sliding doors, windows and panels.

| Item | Specification |
|---|---|
| Product Type | Insert Type Brush Seal |
| Base Width | 7 mm |
| Overall Height | 3–20 mm |
| Size Definition | W × H |
| Brush Material | Nylon / PP |
| Treatment Options | Standard / Siliconized (Water-Repellent) |
| Color Options | Black / Gray |
| Installation | Insert into groove/channel |
Size (W × H):
Example:
7 × 10 mm
means:
Please confirm the existing groove size before selecting a replacement brush seal.
Available sizes, colors, treatments and roll lengths vary depending on specification. Please refer to the tables below for current available combinations.
| Size (W × H) | Color | Treatment | Length |
|---|---|---|---|
| 7 × 3 mm | Gray | Standard | 10 m Cut Length |
| 7 × 10 mm | Gray | Standard | 10 m Cut Length |
| 7 × 12 mm | Black | Standard | 10 m Cut Length |
| 7 × 12 mm | Gray | Standard | 10 m Cut Length |
| 7 × 15 mm | Gray | Standard | 150 m Full Roll |
| 7 × 16 mm | Gray | Standard | 10 m Cut Length |
| 7 × 18 mm | Gray | Standard | 100 m Full Roll |
Standard Brush Seal is a general-purpose brush weatherstrip suitable for common door and window sealing applications.
It provides flexible contact between surfaces and helps reduce the passage of dust, drafts and light through gaps.
Typical advantages:
| Size (W × H) | Color | Treatment | Roll Length |
|---|---|---|---|
| 7 × 4 mm | Black | Siliconized (Water-Repellent) | 400 m |
| 7 × 4 mm | Gray | Siliconized (Water-Repellent) | 330 m |
| 7 × 5 mm | Black | Siliconized (Water-Repellent) | 230 m |
| 7 × 5 mm | Gray | Siliconized (Water-Repellent) | 330 m |
| 7 × 6 mm | Black | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 6 mm | Gray | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 7 mm | Black | Siliconized (Water-Repellent) | 280 m |
| 7 × 7 mm | Gray | Siliconized (Water-Repellent) | 280 m |
| 7 × 8 mm | Black | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 8 mm | Gray | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 10 mm | Black | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 12 mm | Black | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 13 mm | Gray | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 15 mm | Black | Siliconized (Water-Repellent) | 140 m |
| 7 × 16 mm | Black | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 20 mm | Black | Siliconized (Water-Repellent) | 10 m Cut Length |
| 7 × 20 mm | Gray | Siliconized (Water-Repellent) | 10 m Cut Length |
Siliconized Brush Seal features brush fibers treated with a silicone-based finish to improve surface smoothness and water repellency.
Compared with standard brush seals, the treated fibers provide smoother sliding performance and reduced friction, making them suitable for applications where frequent movement and improved weather performance are required.
Typical advantages:

Insert brush seals are widely used in aluminum profiles where a dedicated groove is available.
The flexible brush structure provides sealing contact while allowing smooth opening and closing movement.
Suitable for weather sealing, dust protection and gap closure applications.
Can be used where a flexible brush barrier is required.

Before ordering, check:
1. Base Width
Measure the existing groove width to confirm the correct insert size.
2. Overall Height
Measure the complete seal height, including the base.
3. Sealing Gap
Select a height that provides contact without excessive compression.
4. Treatment Requirement
Choose according to application:
What does 7 mm mean in this brush seal?
The 7 mm specification refers to the base width, not the brush height.
Does overall height include the base?
Yes. Overall Height refers to the total height including the base/carrier.
What is the difference between Standard and Siliconized Brush Seal?
Standard brush seals are suitable for general applications. Siliconized brush seals use treated fibers to provide smoother sliding performance and water-repellent properties.
Can this brush seal be used for sliding doors?
Yes. Insert type brush seals are commonly used for sliding doors, windows and profile systems.
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