Blog & News - Technical | Işıldak Steel Door

19 June 2026 2.9k Views

Steel Door Lock Systems Compared: A Guide to Standard Cylinder, Monoblock, Multi-Point and Smart Locks

A comparison of steel door lock systems: the security levels of standard cylinders, monoblock, multi-point, ball-bearing cylinders and smart locks, and which scenario each one suits.

Steel Door Surface Finish Guide: Lacquer, Laminox, PVC and Wood Compared

Technical

15 June 2026 2.7k Views

Steel Door Surface Finish Guide: Lacquer, Laminox, PVC and Wood Compared

An expert comparative guide to steel door surface finish types (lacquer, laminox/laminate, PVC membrane, real wood) in terms of durability, scratch resistance, UV fading, moisture and price.

Technical

14 June 2026 3.0k Views

Sound and Thermal Insulation in Steel Doors: The Technical Details That Determine dB Reduction and Energy Savings

What actually determines a steel door's sound (dB) and thermal insulation? We explain double/triple gaskets, polyurethane fill density, the automatic drop-down threshold and frame sealing in technical terms, and show you how to choose the right door.

Why Is Steel Door Installation So Important? Installation Is Half the Quality

Technical

12 June 2026 3.9k Views

Why Is Steel Door Installation So Important? Installation Is Half the Quality

Steel door installation is the critical stage that determines the door's durability and security. Find the correct installation steps, the most common mistakes, and the importance of an installation warranty in this guide.

Steel Door Hinge Guide: Why Is the Camouflage (Concealed) Hinge Vital?

Technical

10 June 2026 2.8k Views

Steel Door Hinge Guide: Why Is the Camouflage (Concealed) Hinge Vital?

Choosing the right steel door hinge is security's unsung hero. The camouflage (concealed) hinge, the differences between ball-bearing and adjustable hinges, and the correct number of hinges are all covered in this guide.

What Should Be the Steel Thickness for a Steel Door? A Guide to DKP Steel and Frame Structure

Technical

8 June 2026 980 Views

What Should Be the Steel Thickness for a Steel Door? A Guide to DKP Steel and Frame Structure

Steel thickness is critical when choosing a steel door. DKP steel or cold-rolled steel? Technical details on ideal measurements, frame structure, and standards. How to determine the right thickness for security and durability?

Heat and Sound Insulation in Steel Doors: Filling Materials and Application Guide

Technical

7 June 2026 1.4k Views

Heat and Sound Insulation in Steel Doors: Filling Materials and Application Guide

Heat and sound insulation in steel doors depends on the filling material used and application details. We explain the advantages, fire resistance, and installation points of options such as polyurethane, rock wool, XPS, and air gap.

Steel Door Frame Installation: Correct Measurement, Leveling, and Application Steps

Technical

6 June 2026 760 Views

Steel Door Frame Installation: Correct Measurement, Leveling, and Application Steps

Steel door frame installation is a critical process for security and performance. Ensure a sturdy and trouble-free installation by taking accurate measurements, leveling, and following step-by-step application. Here is a detailed guide.

Monoblock Lock or Central Lock? Which One Should You Choose?

Technical

14 January 2026 1.8k Views

Monoblock Lock or Central Lock? Which One Should You Choose?

Choose the right lock system according to your security needs. Differences between the 14-point central system and the standard monoblock.

5 Critical Mistakes in Steel Door Installation and Their Consequences

Technical

10 January 2026 4.2k Views

5 Critical Mistakes in Steel Door Installation and Their Consequences

Even the best door in the world can turn into a tin can with wrong installation. Concrete filling, balance adjustment, and welding errors.

Why is 1.2mm - 2.0mm Reinforced Sheet Metal Important? Invisible Security

Technical

08 January 2026 1.1k Views

Why is 1.2mm - 2.0mm Reinforced Sheet Metal Important? Invisible Security

The sheet thickness of the frame, which is the skeleton of the door, is the biggest resistance point against crowbar attacks. Why shouldn't you compromise on sheet quality?