Blog & News - Security | Işıldak Steel Door

22 June 2026 5.1k Views

Is a Steel Door Just a Steel Sheet? A Guide to the Invisible Security Layers

A steel door's security lies not in the outer sheet but in its invisible layers. We explain the internal frame, multi-point locking, cylinder armour, security pins and anchoring.

Security

16 June 2026 3.3k Views

What Are RC Security Classes (RC2/RC3/RC4)? A Steel Door Resistance Guide Based on TS EN 1627

What the RC2, RC3 and RC4 security classes mean according to TS EN 1627, how many minutes each class withstands which type of attack, which one is recommended for which type of home, and how to question an "RC3 certified" label.

Steel Door Lock Systems: Cylinder, Mortise, Multi-Point, and Fingerprint Comparison

Security

14 June 2026 1.6k Views

Steel Door Lock Systems: Cylinder, Mortise, Multi-Point, and Fingerprint Comparison

Which lock system is more secure for your steel door? We compare cylinder, mortise, multi-point, and fingerprint reader locks in detail, highlighting their differences, pros, and cons. A comprehensive guide to help you make the right choice for your home or workplace.

The 5 Most Common Door Vulnerabilities Burglars Exploit and Their Solutions

Security

13 June 2026 540 Views

The 5 Most Common Door Vulnerabilities Burglars Exploit and Their Solutions

We detail the methods burglars most frequently use to compromise door security and the measures you can take against these vulnerabilities. Learn how to enhance your home's security with actionable advice ranging from steel door selection to security accessories.

Security

12 June 2026 1.0k Views

Multi-Point Locking: The Key to Superior Security for Your Door

A multi-point locking system secures the door to the frame at multiple points, providing far superior protection against forced entry and manipulation compared to standard locks. This indispensable security feature for homes and businesses: its working principle, advantages, and selection criteria.

The Myth of the Door No Burglar Can Open: Does a Truly Unbreakable Lock System Really Exist?

Security

10 February 2026 6.2k Views

The Myth of the Door No Burglar Can Open: Does a Truly Unbreakable Lock System Really Exist?

The truth behind the industry's exaggerated marketing claims. No door is magical; the real question is how long you can keep a burglar standing at your door.