Trim-Lok TS1600AB-3 Weather Seal – Reliable Protection for Fiberglass Tonneau Covers
If you want to keep your truck bed clean, dry, and dust-free, the Trim-Lok TS1600AB-3 edge trim seal is the perfect solution. Designed specifically for fiberglass tonneau covers, this weather stripping provides a secure, watertight seal that defends against rain, road noise, and vibration — even at highway speeds.
Whether you’re a DIY truck owner upgrading your cover or a pro outfitting multiple trucks, this seal offers dependable performance and easy installation. It grips firmly to 3/16″ fiberglass edges without adhesive, thanks to its internal metal clip. The 5/8″ bulb compresses smoothly against your truck bed rail, forming a tight, consistent barrier from front to tailgate.
- 3/16″ U‑channel fits snugly onto fiberglass edges
- 5/8″ bulb compresses for a secure weatherproof seal
- 17/32″ leg length provides ample side wall coverage
- Metal interior clip ensures long-term grip retention
- Flexible PVC construction resists UV rays, ozone, and extreme temperatures
- No adhesive or tools required – easy push-on installation
- Ideal for fiberglass tonneau cover lids, enclosures, cabinets, and more
- Available in cut-to-length sizes: 10′, 20′, 30′, 40′, 50'
Key Benefits
- Prevent Water Damage: Keeps rain, snow, and car wash runoff out of the truck bed
- Eliminate Dust Intrusion: Especially important for rural or off-road driving
- Reduce Vibration & Noise: Sponge rubber bulb minimizes rattling and wind noise
- Easy, Tool-Free Installation: Push-on design saves time — no glue or fasteners needed
Fits These Applications
- Fiberglass tonneau cover lids with 3/16″ edge thickness
- Toolboxes, access panels, RV doors, or hatches that need compression sealing
- Compatible with popular brands like ARE®, Leer®, Century®, and more*
*Always verify edge thickness to ensure proper fit
Installation Overview
- Clean the edge of the fiberglass lid to remove dirt and debris
- Measure and cut the seal to match the perimeter of the cover
- Align and press the U-channel over the edge, pushing firmly as you go
- Ensure the bulb compresses against the bed rail for a tight, even seal
No tools, no adhesives, no hassle. This seal installs in minutes and performs for years.
Specifications
| Part Number |
TS1600AB‑3 |
| Color |
Black |
| U‑Channel Width |
3/16″ |
| Bulb Diameter |
5/8″ |
| Leg Length |
17/32″ |
| Material |
Flexible PVC with metal insert |
| Installation |
Push-on, no adhesive required |
| Available Lengths |
10′, 20′, 30′, 40′, 50′ |
| Temperature Range |
-20 °F to 158 °F |
| Country of Origin |
Made in USA |
Common Questions:
- Will this work with aluminum tonneau covers?
- It may, but only if the edge is 3/16″ thick and can accommodate the U‑channel grip.
- Do I need glue or adhesive to install it?
- No — the internal metal clip holds it securely in place.
- Is it flexible enough to wrap around corners?
- Yes, the PVC material bends around curves without cracking or losing grip.
- How long will it last?
- With proper installation, it can last for many years under normal use and weather conditions.
Trim-Lok TS1600AB-3 Trim Seal Installation Guide: Easy Push-On for Fiberglass Tonneau Covers
Learn how to install the Trim-Lok TS1600AB-3 trim seal on a fiberglass tonneau cover lid for a perfect fit and weather seal. This easy-to-install trim seal protects the exposed edge of the tonneau cover and provides a secure seal against the truck bed, keeping out water, dust, and debris.
Key Features of the Trim-Lok TS1600AB-3:
- Specifically designed for fiberglass tonneau cover lids
- PVC construction for durability
- Internal metal clip provides a strong grip
- Easy push-on installation - no adhesive required
- Provides a protective edge and a weather seal
Step-by-Step Installation Instructions:
- Prepare the Edge: Clean and Dry
Ensure the edge of the fiberglass tonneau cover where the trim seal will be installed is clean and dry. Remove any dirt, debris, or old adhesive. Cleaning the surface with a solution of one part isopropyl alcohol and one part water using a clean rag is recommended for optimal adhesion.
- Measure and Cut: Precision Fit
Measure the length of the tonneau cover edge where the trim seal will be installed. Use straight-edge clippers to cut the Trim-Lok TS1600AB-3 to the required length, ensuring a clean and precise cut for a professional finish.
- Position and Push On: Simple and Secure
Align the Trim-Lok TS1600AB-3 with the edge of the tonneau cover. Starting at one end, push the trim seal onto the edge. Work along the edge, pushing firmly to ensure the trim goes completely over the edge and the internal metal clip grips securely.
Note: This trim seal is designed for push-on installation and does not require additional adhesive. Do not remove any tape during the initial installation.
- Finalize the Seal: Check and Secure
Once the trim seal is fully installed, press down firmly along the entire length to ensure it is properly seated and secured. Check that the trim seal is making good contact and forming a secure seal against the truck bed when the tonneau cover is closed.
By following these steps, you can quickly and easily install the Trim-Lok TS1600AB-3 trim seal, providing protection and a weather seal for the fiberglass tonneau cover. Contact customer support for further assistance or questions.
