Thornhill Security Ltd

How Does a Master Key System Work?

How Does a Master Key System Work?

 

A master key system is a clever and practical security solution that allows multiple keys to open one or more locks — while a single master key can open them all. It’s widely used in offices, apartment blocks, schools, and commercial properties to control access levels across different areas.

In this blog, we’ll explain exactly how master key systems work, their benefits, and whether they’re the right solution for your home or business.

Contents

Use the links below to jump to a specific section.

  1. What is a master a master key system?
  2. How do master keys work?
  3. Different types of master key system
  4. The benefits of master key systems
  5. Are master key systems secure?
  6. What’s the right system for you?
  7. Things to consider before switching to a master key system
  8. Master key systems from Thornhill security

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Case Studies: Accessibility Upgrade for External Door – Improving Safety and Compliance

Case Studies: Accessibility Upgrade for External Door – Improving Safety and Compliance

 

Are you considering having a steel security door installed at your business premises but not sure if  it will work for your space?

Here at Thornhill, we have over 50 years’ experience in helping customers improve their security. Whether it’s protecting valuable items, safeguarding sensitive areas, or ensuring staff safety, having robust and secure entry and exit points are vital. Steel security doors do just this and can be fitted both externally and internally.

Read on below for some case studies of how we’ve helped a variety of organisations to improve their business security with steel security doors.

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Top 5 Things to Look For When Choosing a Locksmith

Top 5 Things to Look For When Choosing a Locksmith

With security becoming more and more important to homes and businesses across the UK, finding a trustworthy locksmith is essential.

Whether you’re locked out of your home or need to upgrade your security systems, doing your research before choosing a locksmith can make all the difference in terms of quality and value for money.

In this blog post, we will look at our top 5 things to consider when choosing a locksmith for your home or business.

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5 Signs It’s Time to Upgrade Your Safe

5 Signs It’s Time to Upgrade Your Safe

Our homes are often where we keep our most valuable possessions, whether it’s jewellery, cash, heirlooms or important documents. What’s more, increasingly affordable and accessible technology means most homes also contain expensive electronic equipment such as TVs, games consoles and computers.

Unfortunately, this makes homes a target for thieves and in 2022 alone, there were over 400,000 offenses relating to domestic burglary recorded. Businesses are also targeted by theft, with 9% of businesses across the UK being victims to burglary in 2022.

Safes are one of the many security measures that homes and businesses can use to protect their valuables. Should thieves gain access to a premises, a secure safe can protect valuables and deter most burglary attempts. In high security environments, safes with additional security can be used to prevent entry even with specialist equipment.

However, like any equipment, safes have a lifespan and there will come a time when safes should be upgraded to ensure they continue to protect your assets. Our latest blog post explores 5 signs it could be time to upgrade your safe

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Key Management – Best Practice for Businesses

Key Management – Best Practice for Businesses

When it comes to security and access control, efficient key management is a critical part of safeguarding your assets, properties, and sensitive areas.

Whether you’re a business owner, property manager, or landlord, understanding the importance of key management and utilising the right products can make a significant difference to the overall security of your premises.

In this blog post, we’ll explain the benefits of proper key management and showcase products, including master key systems and key cabinets that can improve key management.

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