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Prevention

Armored Door vs Anti-Squat Door: Which One to Choose for Your Vacant Home or Construction Site?

Published by: ANTI-SQUAT SOLUTIONS Updated: 11 Apr 2026 Reading time: ~5 minutes
Cover picture: Armored Door vs Anti-Squat Door: Which One to Choose for Your Vacant Home or Construction Site?

One of the most common points of confusion among property owners we assist in Marseille is requesting “the installation of an armored door” on a construction site or vacant house, when what they actually need are the unique benefits of a temporary anti-squat door.

While both options involve heavy steel and represent a serious security upgrade over standard wooden doors, they serve entirely different purposes. Here is what you need to understand to choose the right security solution for your vacant property.

The Permanent Armored Door: For Daily Residential Living

A permanent “armored door” (porte blindée) is a high-end, lifelong asset designed for a home where people live every day.

  • Design and Finish: Highly aesthetic, styled with wood veneers or modern colored PVC panels. It looks like any premium residential entrance.
  • The Main Risk on Vacant Properties: It is highly vulnerable to vandalism! If installed on a vacant inheritance property or a construction site, passing vandals or disgruntled intruders will likely spray it with paint, scratch the veneers, or jam the lock with glue. Repairing or replacing a premium permanent unit is incredibly expensive – usually costing from €2,000 to over €4,500.
  • Heavy Installation Requirements: Setup requires standard locksmiths to break and replace the existing door frame. You end up paying for heavy masonry work we never wanted for a building that is simply waiting to be sold or renovated.

The Temporary Anti-Squat Door: The Ultimate Security Shield

This is our main area of expertise in Marseille. Engineered with high-strength, heavy industrial steel plates that resist heavy power tools, this door is built purely for defense. It is not aesthetic – its bunker-like appearance is 100% intentional! Its imposing structure acts as an immediate physical deterrent, prompting intruders to give up and move on.

  • Zero-Damage Compression Installation: The genius of the temporary anti-squat door is its installation method. Our technicians install it by compressing it inside the existing door frame. The beautiful original front door remains safely wide open inside the house, completely protected from damage. Our heavy-duty steel plate is secured using internal high-pressure jacks on massive threaded rods. When we retrieve the door, we leave your original masonry completely intact!
  • Vandal-Proof Locks: Intruders armed with crowbars, saws, or lock picks stand zero chance. Our door does NOT have a protruding key cylinders that can be drilled or picked. Instead, it utilizes custom heavy-duty mechanical locking systems fully encased inside steel armor.
  • Highly Cost-Effective: You do not buy it permanently for thousands of euros. Instead, you rent it for a flexible duration at an affordable rate. This provides complete peace of mind during inheritance sales, estate settlement, or high-risk renovation project phases in Marseille.

Summary

Do not invest in expensive permanent doors and heavy maonry construction if you plan to sell the property or carry out renovations. Our leased temporary anti-squat doors – combined with an autonomous 4G cellular security alarm detector – represent the ideal stress-free, cost-effective security combination.

Request a free consultation with our regional team in Bouches-du-Rhône today!

Questions about this topic?

A permanent armored door requires heavy masonry work that damages the existing door frame. It is designed for lifelong residential use and is very expensive. A leased temporary anti-squat door installs with high-pressure jacks, causes zero damage, and is removed by our technicians once your property sells.

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