1. Introduction
The Schellenberg DUO Plus Shutter Strap Guide is designed to provide efficient and smooth guidance for roller shutter straps, particularly for heavier roller shutters. It helps reduce wear on the shutter strap and features an integrated brush seal to prevent drafts. The design allows for straightforward installation without requiring the disassembly of the roller shutter strap.

Image 1.1: Packaging of the Schellenberg DUO Plus Shutter Strap Guide, showing the product and its key features.
2. Included Components
The following components are included with your Schellenberg DUO Plus Shutter Strap Guide:
- 1 x Guide rail with integrated guide roller
- 1 x Roller shutter strap attachment
- 1 x Cover

Image 2.1: View of the individual components, including the guide rail with roller and brush seal, and the cover.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | 15671 |
| Strap Width Compatibility | 23 mm (MAXI System) |
| Dimensions (L x W x H) | 14.5 x 8.5 x 3.5 cm (Product) / 38 x 85 x 25 mm (Guide) |
| Weight | 40 grams |
| Color | White |
| Special Features | Integrated guide roller, brush seal for draft prevention |

Image 3.1: Detailed dimensions of the shutter strap guide.
4. Installation Instructions
The DUO Plus Shutter Strap Guide is designed for quick and easy wall mounting. Disassembly of the roller shutter strap is not required for installation.
4.1. Preparation
- Ensure the mounting surface is clean and stable.
- Identify the optimal position for the guide, ensuring proper alignment with the existing roller shutter strap.
4.2. Mounting Steps
- Position the guide rail against the wall where the strap exits the wall.
- Mark the drilling points for the screws.
- Drill holes at the marked positions.
- Secure the guide rail to the wall using appropriate screws (not included).
- Insert the roller shutter strap into the guide, ensuring it passes over the integrated roller.
- Attach the elegant cover to conceal the mounting screws, brush seal, and guide roller.

Image 4.1: Side view of the guide with a roller shutter strap correctly inserted.

Image 4.2: The shutter strap guide installed on a wall, showing the strap passing through.
5. Operation
Once installed, the DUO Plus Shutter Strap Guide ensures smooth and controlled movement of your roller shutter strap. The integrated guide roller minimizes friction, reducing wear and tear on the strap. The brush seal effectively blocks drafts, contributing to improved insulation and comfort.
6. Maintenance
The Schellenberg DUO Plus Shutter Strap Guide requires minimal maintenance. Periodically inspect the guide roller and brush seal for any accumulation of dust or debris. Clean with a soft, damp cloth if necessary. Avoid using abrasive cleaners or solvents, as these may damage the material.
7. Troubleshooting
- Strap not moving smoothly: Check for any obstructions in the guide or ensure the strap is correctly aligned with the roller.
- Drafts still present: Verify that the brush seal is intact and properly seated within the guide. Ensure the guide is securely mounted to the wall without gaps.
- Excessive wear on strap: Confirm the guide roller is rotating freely and is not damaged.
8. Warranty and Support
Schellenberg provides a 2-year availability for spare parts for this product. For further assistance, technical support, or inquiries regarding your product, please refer to the contact information provided with your purchase or visit the official Schellenberg website.





