The brown rat is the most common of rats in the UK. the only other rat you will find is the black rat and these are normally only found round areas of water such as docks. The rat is part of the rodent family and as with all rodents they love to gnaw.
How do rats get into commercial buildings? Learn How to stop them from getting into your industrial unit by rat proofing.
If you have a rodent infestation you will need to know the difference between a rat and a mouse so you can take the appropriate action.