- Location
- Caterham, Surrey
- Main postcode district
- CR3
- Nearby (straight line)
- Redhill (5 miles), Reigate (6 miles) and Sutton (7 miles)
- Survey and quote
- Free, with a fixed written quote
A cold store dock door is an insulated loading bay door built for chilled or frozen buildings, usually a sectional door with thick insulated panels or a high-speed door with an insulated curtain. It differs from a standard dock door in its thermal breaks, extra seals and, on freezer docks, heating in the frame or seals so that ice cannot lock the door shut or tear the seals.
Why do sites in Caterham choose this?
Pharmaceutical and healthcare stores around Caterham with tight temperature ranges can pair an insulated dock door with interlocks so the opening stays closed until a trailer is sealed. Any cold store dock survey in Caterham is carried out with the store running, so we can see ice, seals and traffic as they really are.
A chilled distribution centre in Caterham opens its dock doors many times a shift, so the door specification matters far more than at an ambient bay.
We keep the process simple for sites in Caterham. A free survey tells us what the dock needs; a fixed written quote tells you what it will cost and what is included. We then organise the installation, with specialist engineers under our management and a programme agreed around your shifts. Night and weekend work is available by arrangement. Before we leave, the new equipment is tested, demonstrated and handed over with its documentation.
Why does ice form around a freezer dock door, and how is it stopped?
Ice forms when warm, moist outside air meets the cold surfaces of the door, frame and floor, and the moisture freezes. Over time it builds up in the seals and guides until the door jams or tears its seals.
Ice is controlled by tackling both the cold surfaces and the warm air:
- Heated frames and seals: low-power heating in the side frames and bottom seal keeps those surfaces above freezing.
- Threshold heating: stops the door freezing to the floor.
- A tight seal at the trailer: an inflatable dock shelter or a well-fitted seal keeps outside air away from the opening.
- Short open times: fast operators and interlocks mean the door is only open while a trailer is sealed to the dock.
Condensation dripping inside the store near the door is an early sign of the same problem and worth raising at survey.
How does a cold store door work with the shelter and leveller?
On a cold store dock the door, shelter and leveller should work as one system, with the door opening only once the trailer is sealed against the building and closing before the seal is released.
A typical sequence is:
- The trailer reverses onto the bumpers and is held by a restraint, or the driver's keys are taken.
- The shelter inflates or the seal compresses around the trailer.
- The door opens and the leveller lip is lowered onto the trailer bed.
- Loading takes place inside a sealed link between store and trailer.
- The leveller is stored, the door closes, then the shelter releases.
Interlocks make this sequence automatic, so the door cannot be left open with no trailer present. Insulated leveller platforms and seals around the pit also reduce cold loss through the floor of the bay.
The same published guide range applies across England; access, out-of-hours working and site conditions are confirmed at the free survey.
Survey checklist for your dock
- Yard gradient and the slope of the approach to the dock
- Condition of any existing leveller pit, kerb angles and pit drainage
- Lighting inside trailers and at the dock face
- Power supply at each bay, including three-phase availability
- Wheel guide positions and yard markings for reversing vehicles
- Wall and steel structure for door, shelter and bumper fixings
Options to discuss
Insulated high-speed door
A fast door with an insulated curtain for busy openings between temperature zones, where cutting open time matters more than maximum insulation.
Dock interlocks
Controls that link the door to the shelter, leveller and restraint so the door only opens when a trailer is docked and sealed against the building.
What do the rules in England mean for the work?
In England, Approved Document L (2021) sets a limiting U-value of 1.3 W/m²K for vehicle access and similar large doors in new and replacement work. That shapes door specification for sites in Caterham, so we confirm the requirement for your project and check what applies at survey before recommending a door.
Questions about cold store dock doors in Caterham
Do you remove and dispose of the old equipment?
Yes, where it is part of the scope. When we replace doors, levellers, shelters or seals at a site in Caterham, removal and disposal of the old equipment can be included and is itemised in the quote, so it is clear what is covered. If anything should be kept, such as a frame or motor that is still serviceable, we agree that at survey.
What warranty comes with new loading bay equipment?
New equipment comes with the manufacturer's warranty, which varies by product. Our workmanship terms are set out in writing in the quote for your Caterham site, so you can see what is covered before you commit. Check the warranty terms for any servicing conditions, and we can quote for planned maintenance once the installation is complete.
Do you cover Caterham for cold store dock doors?
Yes. We take on cold store dock doors for businesses in Caterham and across Surrey. We survey the site, provide a fixed written quote and manage the installation, with specialist installation engineers working under our management. Visits are arranged in advance at a time that suits your operation, and the same single contact stays with the job through to handover.
Can a cold store door be paired with a high-speed door?
Yes, cold store docks often pair an insulated sectional door on the outside with a fast door just inside it, or use an insulated high-speed door as the only door between zones. The right arrangement depends on traffic, security and how much space there is around the opening.
Will a new door reduce our refrigeration load?
A better-sealed, better-insulated door that stays shut except when a trailer is docked reduces the warm air entering the store, which is a significant source of load at a cold store dock. We cannot promise a figure, because results depend on your store, traffic and the rest of the dock, but the mechanism is well understood.
Cold store dock doors near Caterham
Looking beyond Caterham? Our pages for Redhill (5 miles), Reigate (6 miles) and Sutton (7 miles) describe the same loading bay services and how to get in touch.
Other loading bay services in Caterham
Full guide to cold store dock doors · Everything we do in Caterham
Tell us what is happening at your Caterham dock, what equipment is there and when it is used, and we will suggest the right next step.