A high-speed dock door is a power-operated door with a flexible PVC fabric curtain that opens and closes much faster than a conventional sectional door or shutter, usually driven by a frequency-controlled motor. Many versions use a self-repairing curtain or breakaway bottom bar, so a forklift strike pushes the curtain out of its guides instead of wrecking it, and the door re-engages itself on the next cycle.
Why do sites in Lancashire choose this?
Manufacturers around Lancashire moving work in progress between production and dispatch can use high-speed doors to stop dust and draughts crossing departments. Replacing tired strip curtains is one reason a business in Lancashire might consider a high-speed door, especially where drivers struggle to see through scratched strips.
Food producers in Lancashire with hygiene zones can choose smooth, easily cleaned curtains and frames that suit washdown areas next to the loading dock.
Keeping the dock running is usually the first concern, so we plan around it. After a free survey of your Lancashire site and a written quote at a fixed price, we agree when each bay can be released and whether any work should happen out of hours. Specialist installation engineers working under our management then fit the equipment, and we test it and hand over the documentation before the bay goes back into use.
What keeps a high-speed door reliable at a busy dock?
Servicing matched to the number of cycles is what keeps a high-speed door reliable, because these doors can open and close far more often in a shift than a conventional door.
- Duty cycle: check the drive is rated for the openings per hour your site actually runs, including peaks.
- Safety devices: the light curtain, photocells and bottom edge should be tested at every service.
- Curtain and guides: worn guide brushes, a stretched curtain or a damaged bottom bar cause misalignment and stoppages.
- Activation: poorly set radar can open the door for passing traffic, adding needless cycles and wear.
- Impact: repeated knocks shorten curtain life even when the door self-repairs, so look at traffic routes and driver habits.
Planned maintenance visits are chargeable and agreed in advance. Keeping a log of faults and knocks helps the engineer spot patterns before they stop the door.
Should a high-speed door replace our strip curtain or work alongside our dock door?
At very busy openings a high-speed door often replaces a strip curtain, and at external docks it usually works alongside a slower insulated door rather than replacing it.
Strip curtains are inexpensive, but they slow forklifts, scratch quickly and can hide a pedestrian on the other side. A high-speed door clears the opening fully, closes again within seconds and keeps a clear view through its vision panels. See PVC strip curtains if you are weighing up the two.
At external docks, a common arrangement is:
- an insulated sectional door on the outside for security and closing at night,
- a high-speed door just inside it for daytime traffic,
- an interlock so the high-speed door only runs when the outer door is open.
This pairing keeps the building secure out of hours while cutting the time the opening stands open during the working day.
Towns we cover in Lancashire
Find your town in the list below for details of high-speed dock doors across Lancashire, or contact us if your location is not shown.
- Preston
- Burnley
- Blackburn
- Blackpool
- Morecambe
- Lancaster
- Lytham St Annes
- Skelmersdale
- Leyland
- Accrington
- Chorley
- Darwen
- Thornton-Cleveleys
- Nelson
- Fleetwood
- Ormskirk
- Rawtenstall
- Colne
- Poulton-le-Fylde
- Heysham
- Haslingden
Budget range for supply and fit. The written quote after a free survey is the fixed price. All guide prices.
Regulations and approvals in England
Sites in Lancashire fall under the rules for England. Structural changes such as forming a new opening or a dock leveller pit may need Building Regulations approval, and external structures such as loading houses, canopies or new dock approaches can need planning permission from the local planning authority. We check what applies at survey and build any approvals into the plan.
Questions
Which building and safety rules apply to a site in Lancashire?
It depends on which UK nation the site is in. England and Wales use Building Regulations approval, Scotland uses building warrants and Northern Ireland uses building control approval from the council. Workplace safety is regulated by HSE in Great Britain and HSENI in Northern Ireland, and energy rules differ between nations. For your site in Lancashire, we check what applies at survey and design to it.
Is VAT included in your guide prices for high-speed dock doors?
No. Our customers are businesses, so guide prices exclude VAT, which is added at the standard rate. The same guide range applies in Lancashire as everywhere else: for high-speed dock doors, it is £6,500 to £14,500 per door, excluding VAT. It covers supply and fit for a typical installation. Your fixed written quote after the free survey shows the net price, the VAT and exactly what is included.
Do high-speed doors help with temperature control?
Yes, by cutting the time the opening is left open, a high-speed door reduces the warm or chilled air that escapes. It closes behind each forklift instead of standing open between movements. An insulated curtain adds some thermal resistance, but the main gain comes from shorter open times rather than the curtain itself.
Can a high-speed door be opened in a power cut?
Yes, a high-speed door should have a manual release, crank or counterbalance so it can be opened if the power fails. This reflects the workplace rule that powered doors must be operable by hand where needed for health or safety, unless they open automatically on power failure.
Other services in Lancashire
Full guide to high-speed dock doors · All loading bay services in Lancashire