The Ultimate Guide to Installing Heavy Sliding Doors

Installing heavy sliding doors can transform your space, offering both functionality and aesthetic appeal. However, the process can be daunting without the right guidance. This comprehensive guide aims to provide you with all the information you need to successfully install heavy sliding doors, ensuring a smooth and efficient process.

Choosing the Right Sliding Door System

Before diving into the installation process, it’s crucial to select the appropriate sliding door system for your needs. The weight of the door is a significant factor. For instance, Helaform’s sliding track systems can support doors weighing up to 2000 kg, depending on the series used. Standard flush panel doors typically weigh between 20-50 kg, while solid wood doors can range from 40-150 kg.

Consider the environment where the door will be installed. For wet rooms, ensure the sliding track system is moisture-resistant. Helaform offers track systems with the AISI 316L standard, suitable for challenging conditions. Additionally, if you plan to use a soft close mechanism, note that it has weight limitations. For example, the SAGA series can handle doors up to 300 kg.

Preparing the Installation Site

Proper preparation of the installation site is essential for a successful installation. Ensure that the wall or ceiling has a robust support structure, such as a beam, to which the sliding track brackets can be firmly fixed. The support structure must be capable of bearing the weight of the sliding door.

Determine whether the sliding door will be wall-mounted or ceiling-mounted. For traditional wall sliding doors, the sliding track can be installed on the wall above the doorway or on the underside of the ceiling. Sliding pocket doors, on the other hand, are typically fixed to the support structure inside the wall above the doorway. In industrial settings, sliding tracks are often installed on the ceiling or support beams.

Installing the Sliding Track

Once the site is prepared, the next step is to install the sliding track. Begin by marking the positions for the brackets on the wall or ceiling. The maximum distance between brackets should not exceed 500 / 1,000 mm to ensure stability. Use suitable screws to secure the brackets firmly.

After the brackets are in place, attach the sliding track to the brackets. Ensure that the track is level to facilitate smooth operation of the sliding door. If the track is not level, the door may not slide properly, leading to potential issues down the line.

Attaching the Hangers and Door

With the sliding track securely installed, it’s time to attach the hangers to the door. The hangers are crucial components that allow the door to glide smoothly along the track. Ensure that the hangers are evenly spaced and securely fastened to the top of the door.

Once the hangers are attached, lift the door and align the hangers with the sliding track. Carefully slide the hangers into the track, ensuring that the sliding door is properly aligned. This step may require assistance, especially for heavier sliding doors, to ensure safety and precision.

Final Adjustments and Cleaning

After the sliding door is installed, make any necessary adjustments to ensure smooth operation. Check that the door slides effortlessly along the track and that it aligns correctly with the door frame. If the door is not sliding smoothly, adjust the hangers or track as needed.

Finally, clean the installation area to remove any debris or dust that may have accumulated during the installation process. This ensures that the sliding door operates smoothly and maintains its aesthetic appeal. Avoid discussing maintenance or lubrication, as this guide focuses solely on the installation phase.


Installing heavy sliding doors can be a rewarding project that enhances the functionality and appearance of your space. By following this ultimate guide, you can ensure a successful installation process. Remember to choose the right sliding door system, prepare the installation site, install the sliding track correctly, attach the hangers and door with precision, and make final adjustments for optimal performance.

At Helaform, we are committed to providing high-quality sliding track systems that meet your needs. While we do not sell doors, our extensive range of sliding track systems is designed to support various door types and weights. For more information on our products and solutions, visit our website or contact us directly.