Door notes
What is BS EN 13241?
BS EN 13241 is the product standard for industrial, commercial and garage doors and gates. It sets out the performance characteristics a door is declared against, such as wind resistance, thermal transmittance and safe opening, and the paperwork that comes with it. As the owner, you should receive a declaration of performance and maintenance instructions with every new door, and keep them.
Read the noteHow often should roller shutter doors be serviced?
Most industrial roller shutters should be serviced every six to twelve months: every six months if the door opens many times a day or takes knocks…
2 November 2026
How to open a roller shutter manually
Most electric industrial roller shutters have a manual override: a hand chain beside the guide, a crank handle that fits a socket on the motor, or a…
2 November 2026
What is a dock leveller?
A dock leveller is a steel platform set into a loading bay at the door, which rises or falls to meet the bed of a trailer and rests a hinged or…
2 November 2026
What is a sectional door?
A sectional door is made of horizontal panels hinged together, which run on rollers in tracks up the opening and back under the ceiling. Torsion…
2 November 2026
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Describe the doors
Three short steps. The site postcode, the type of door and the rough opening size are enough to start. A specialist confirms the detail on a site survey.
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Received. Here is what happens next.
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- Nothing goes to them until you say yes.
- If you agree, they measure up on site and send a written price. No newsletters and no sales calls from us.