Introduction
This manual provides detailed instructions for the proper installation, use, and maintenance of your Prime-Line T 8669 Weatherstrip Pile Roll. Please read this manual thoroughly before beginning installation to ensure correct application and optimal performance of the product. This weatherstrip is designed to provide an effective seal against drafts, dust, and moisture in various applications.
Product Overview
The Prime-Line T 8669 is a high-quality weatherstrip pile roll designed for sealing gaps around windows and doors. Its durable construction helps improve energy efficiency by preventing air leakage.
- Dimensions: Approximately 3/16 inch (0.1875 inch) width, 0.156 inch height.
- Length: Supplied in a 100-foot roll.
- Color: Gray finish.
- Material: Pile weatherstripping.

Image: Prime-Line T 8669 Weatherstrip Pile Roll. This image shows the gray pile weatherstripping rolled up, highlighting its texture and color.
Safety Information
Please observe the following safety precautions during installation and handling:
- Always use appropriate personal protective equipment, such as gloves, to protect hands.
- Use sharp cutting tools carefully. Keep hands clear of the cutting path.
- Keep the product out of reach of children and pets.
- Ensure the installation area is well-lit and free of obstructions.
Installation Instructions
Tools Required:
- Measuring tape
- Utility knife or sharp scissors
- Cleaning supplies (e.g., rubbing alcohol, clean cloth)
Step-by-Step Installation:
- Prepare the Surface: Clean the surface where the weatherstrip will be applied. Ensure it is free of dust, grease, paint flakes, and any other debris. A clean, dry surface is crucial for proper adhesion.
- Measure: Measure the length of the gap or channel where the weatherstrip will be installed. It is recommended to measure each section individually for accuracy.
- Cut to Size: Using a utility knife or sharp scissors, carefully cut the weatherstrip pile to the measured length. Cut slightly longer if a tight fit is desired, then trim as needed.
- Install the Weatherstrip:
- For channels: Gently press the pile into the channel, ensuring it sits snugly and evenly along the entire length.
- For adhesive-backed applications (if applicable, though this product description doesn't specify adhesive, it's common for pile weatherstripping to be pressed into a channel): If your application requires adhesive, ensure the adhesive is applied evenly and firmly pressed into place.
- Check for Seal: Close the window or door and check for any remaining gaps or drafts. Adjust the weatherstrip's position if necessary to achieve a complete seal.
Proper installation ensures maximum effectiveness in insulating and protecting your home from external elements.
Maintenance
Regular maintenance will extend the life and effectiveness of your weatherstrip pile roll:
- Cleaning: Periodically inspect the weatherstrip for dirt, dust, or debris accumulation. Clean gently with a soft brush or a damp cloth. Avoid harsh chemicals that may damage the pile material.
- Inspection: Annually inspect the weatherstrip for signs of wear, compression, or damage. If the pile appears flattened or torn, it may need replacement to maintain an effective seal.
- Re-sealing: If the weatherstrip becomes loose in its channel, re-secure it. If it's adhesive-backed and losing adhesion, consider replacing the section or applying a suitable adhesive.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Drafts still present after installation. | Improper installation, gaps in weatherstrip, or worn-out pile. | Re-inspect the entire length of the weatherstrip for gaps. Ensure it is fully seated in its channel. Replace if the pile is significantly compressed or damaged. |
| Weatherstrip is falling out of the channel. | Channel is too wide, or weatherstrip was not fully inserted. | Ensure the weatherstrip is fully pressed into the channel. If the channel is too wide, a different size weatherstrip may be required. |
| Difficulty closing window/door. | Weatherstrip is too thick or improperly positioned. | Check if the weatherstrip is interfering with the closing mechanism. Adjust its position or consider if a thinner pile height is needed for your specific application. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | PRIME-LINE |
| Model Number | T 8669 |
| Part Number | T 8669 |
| Width | 0.18 inches (approx. 3/16 inch) |
| Height | 0.15 inches (0.156 inch) |
| Length | 100 feet (roll) |
| Color | Gray |
| Product Dimensions | 45.72 x 0.46 x 0.38 cm (packaged) |
| Item Weight | 317.51 g |
| UPC | 049793086693 |
Warranty and Support
For specific warranty information or technical support regarding your Prime-Line T 8669 Weatherstrip Pile Roll, please contact Prime-Line Products directly through their official website or customer service channels. Keep your purchase receipt as proof of purchase.
Manufacturer: Prime-Line Products





