Tubular Motors

Replacement Tubular Motors, Crowns and Drive Wheels a for Rolling Garage Doors and shutters.

How to Choose the Right Tubular Motor for Your Roller Door

Choosing the correct size replacement motor for your roller garage door is important to ensure smooth operation, long lifespan, and reliable performance. This guide will help you estimate the right motor size for most standard residential doors.

This is calculation is based on the overall width/height from suppliers for typical residential or light weight commercials doors (Aluminium).

Door Width (m) × Door Height (m) × 5 = Required Motor Torque (Nm)

Then choosing the next motor size up will add a safety margin.

When to Get Expert Advice

You should double-check your motor size if:

• Your door is over 3m wide
• The door is steel or insulated
• You’re unsure of the door weight
• It’s a commercial-style installation

Need Help Choosing?

If you’re unsure, get in touch with us — we’re happy to recommend the right motor based on your exact door type and setup.