Description: Sliding gasket AT1113
The AT1113 sealing component is specifically designed for the companionway hatches of CNB 66 (6LA) and CNB 76 (7X) sailboats, equipped with the NOVAL companionway door system. It fits onto the lower profile of the hatch and serves a dual purpose: ensuring watertightness and allowing smooth sliding of the vertical panel.
This part is suitable for both manual and motorized versions, ensuring consistent performance regardless of the operating mechanism.
Manufactured from marine-grade elastomer, this rubber profile was selected for its durability in harsh marine environments: saltwater, UV exposure, and temperature variation. Thanks to its standardized dimensions (7 mm x 5.5 mm / 0.28″ x 0.22″), it fits precisely into the designated groove on the hatch frame.
Subtle yet essential, it helps preserve onboard comfort by preventing water ingress and minimizing wear between moving surfaces.
Note: Although very similar to AT3916, the AT1113 is mounted in a distinct location and should not be interchanged.
Specifications
- Product reference: AT1113
- Type: Companionway sealing profile
- Dimensions: 7 mm (height) x 5.5 mm (width) / 0.28″ x 0.22″
- Weight: 0.1 kg / linear meter (0.067 lb / linear foot)
- Compatibility: CNB76 (7X), CNB66 (6LA)
- Material: Marine elastomer (resistant to UV and salt)
- Resistance: Freshwater, saltwater, UV rays, abrasion
- Supply: Sold by the meter (3.28 ft)
Installation / Maintenance
Installation:
The AT1113 gasket slides directly into the intended groove at the bottom of the companionway. After removing the old seal, clean the groove thoroughly before fitting the new one to ensure optimal grip and sealing.
Maintenance:
- Wipe regularly with a damp cloth to remove salt buildup and debris.
- Apply a light coat of silicone spray, then wipe off excess with a clean cloth.
- Cycle the hatch open and closed twice to distribute the lubricant.
- Inspect the gas strut annually to ensure smooth operation of the vertical panel.
Our review
✔ Pros
- Excellent marine resistance (UV, salt, friction)
- Easy to install and maintain
- Available by the meter (3.28 ft), fits all needs
- Discreet yet essential for onboard comfort
✘ Cons
- Component dedicated only to CNB66/CNB76 companionways
- Requires slight disassembly for replacement
Conclusion
This sealing profile is essential for maintaining the integrity of the companionway hatch on CNB66 and CNB76 sailboats. Perfectly adapted to these models, it ensures both watertightness and smooth operation. Its straightforward installation and upkeep make it a smart spare to carry on board — discreet yet vital for sailing comfort and safety.
Good to Know
- Keep an extra meter (3.28 ft) on board to manage unforeseen wear. During installation, avoid twisting or compressing the profile to maintain its sealing efficiency.
- The AT1113 is one of the original components of the NOVAL reference NL1201 companion way hatch system, along with parts such as: NL2070 (control box) , NL1290 (interior keyboard – manual version), NL1288 (keyboard panel – motorized version), AT7382 (stainless gas strut), AT5964, AT5186, AT5121-PO7X (vertical belt), and AT5121-PA7X (horizontal belt), AT3916 sliding gasket.Keep an extra meter (3.28 ft) on board to manage unforeseen wear. During installation, avoid twisting or compressing the profile to maintain its sealing efficiency.
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