Home Garage Door Janus 650 Roll Up Door Rough Opening Dimensions

Janus 650 Roll Up Door Rough Opening Dimensions

In the realm of industrial and commercial spaces, efficient and functional doors are paramount. Among the many options available, the […]

In the realm of industrial and commercial spaces, efficient and functional doors are paramount. Among the many options available, the Janus 650 roll up door stands out as a reliable choice for providing secure and accessible entry points.

However, before installing any door, one crucial factor to consider is the rough opening dimensions. This article delves into the specifics of the Janus 650 roll up door and the importance of accurately sizing its rough opening.

What is the Janus 650 Roll Up Door?

janus 650 roll up door rough opening

The Janus 650 roll up door is a versatile solution designed to facilitate easy access while maintaining security.

Known for its durability and robust construction, this door is well-suited for a variety of applications, including storage units, warehouses, and commercial facilities.

Its roll up mechanism allows the door to be compactly stored when open, maximizing usable space.

What is a Rough Opening?

A rough opening refers to the framed space in a wall where a door will be installed. It includes not only the width and height dimensions but also the necessary clearances around the door.

The goal is to create a precise space that accommodates the door’s size, operation, and functionality. Properly sizing the rough opening ensures that the door can be installed smoothly and operate as intended.

Why is it Important to Size a Rough Opening Correctly for a Roll Up Door?

Accurately sizing a rough opening is of paramount importance for various reasons. Firstly, a well-fitted opening ensures the seamless installation of the door, reducing the chances of gaps, misalignment, or operational issues.

Secondly, a properly sized opening prevents unnecessary strain on the door’s components, contributing to its longevity. Moreover, the correct dimensions guarantee the door’s functionality, safety, and insulation effectiveness.

Specific Dimensions for the Rough Opening of a Janus 650 Roll Up Door

For a Janus 650 roll up door, the maximum rough opening dimensions are 10 feet wide by 10 feet high.

This implies that the finished doorway must have a minimum width and height of 10 feet each to accommodate the door.

It’s important to note that the door itself adds approximately 1 inch to both the width and height of the rough opening.

The specific dimensions for the rough opening of a Janus 650 roll up door are as follows:

  • Width: 102 inches
  • Height: 102 inches
  • Headroom: 98 inches
  • Side clearance: 4 inches
  • Back clearance: 4 inches

Factors to Consider When Sizing a Rough Opening for a Roll Up Door

When sizing a rough opening for any roll up door, including the Janus 650, several factors come into play. These factors ensure not only the door’s proper fit but also its operational integrity and safety. Some essential considerations include:

  • Adding 1 inch to the width and height of the door for the rough opening.
  • Providing 4 inches of headroom to accommodate the door’s operation.
  • Allowing 4 inches of side clearance to avoid friction during opening and closing.
  • Ensuring 4 inches of back clearance if the door isn’t self-closing.

Tips for Sizing a Rough Opening for a Roll Up Door

While the provided dimensions and guidelines serve as a solid foundation, it’s wise to consult with a professional door installer.

Their expertise ensures that the specific requirements of your space are met accurately.

These experts can provide tailored recommendations, taking into account structural considerations, installation nuances, and potential challenges.


In conclusion, the Janus 650 roll up door is a reliable choice for numerous commercial and industrial settings. To maximize the benefits of this door, proper sizing of the rough opening is vital.

Ensuring the correct dimensions, clearances, and allowances not only ensures a smooth installation process but also contributes to the door’s overall functionality and longevity.

As you embark on the journey of installing a roll up door, particularly the Janus 650, consulting with a professional door installer remains a crucial step to achieve optimal results.


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