Coldroom Advice - Parts & Maintenance
How to Replace a Fermod 921/521 Coldroom Door Handle
Replacing Your Fermod Door Handle: A Step-by-Step Guide
Is your door handle in need of a refresh? Whether it's worn out, or damaged or you simply want to update the look, fitting a new handle is a manageable DIY project. Here’s a handy guide to help you through the process:


1. Prepare Your Tools Before you begin, gather the necessary tools: a 17mm socket with an extension bar, a flat-headed screwdriver, an 8mm spanner, and a wooden block.
Cold Room Door Offset - What is it?
Coldroom Door Offset - What is it?
Door Offset
Here’s a clear breakdown to help you identify the right offset for your coldroom door.
1. Door Offset (Overall Door Thickness)
The door offset refers to the total thickness of the door, including the gasket/door seal.
For example:
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Door thickness: 100mm
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Gasket thickness: 20mm
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Door Offset = 120mm
This measurement affects which handles, hinges, and strike plates will fit correctly.
What is Dew Point?
The dew point is the temperature at which air is saturated with water vapour, which is the gaseous state of water. When air has reached the dew-point temperature at a particular pressure, the water vapour in the air is in equilibrium with liquid water, meaning water vapour is condensing at the same rate at which liquid water is evaporating. Below the dew point, liquid water will begin to condense on solid surfaces (such as blades of grass) or around solid particles in the atmosphere (such as dust or salt), forming clouds or fog. Dew point is closely linked to relative humidity, which is...
Cold Rooms and Condensation Problems
Chilling Food Correctly in Your Business
How to chill, freeze and defrost food safely in your business. Chilling Chilling food properly helps to stop harmful bacteria from growing. Some foods need to be kept chilled to keep them safe, for example: food with a use-by date cooked dishes other ready-to-eat food such as prepared salads and desserts It is very important not to leave these types of food standing around at room temperature. Make sure that you: follow storage instructions put food that needs to be chilled in the fridge straight away cool cooked food as quickly as possible and then put it in the fridge...