About this calculator

PVC Rolladen slats coil into a box above the window. Box height = 160 mm (≤1.4 m drop) up to 240 mm (≤2.4 m). Motor torque = window weight × radius × safety 1.3.

Frequently asked questions

What does the German Rolladen — Shutter Box Sizing do?

Roller shutter box, slat length and motor torque for a Rolladen install. PVC Rolladen slats coil into a box above the window. Box height = 160 mm (≤1.4 m drop) up to 240 mm (≤2.4 m). Motor torque = window weight × radius × safety 1.3.

Is the German Rolladen — Shutter Box Sizing free to use?

Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.

How accurate is the German Rolladen — Shutter Box Sizing?

Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified german rolladen professional before committing to a purchase or a job.

What inputs does the German Rolladen — Shutter Box Sizing need?

Enter values for: Window width (mm), Window height (mm). Sensible defaults are pre-filled where possible so you can start with a single change.

Can I embed the German Rolladen — Shutter Box Sizing on my own website?

Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.