Featured Blogs

What certifications should insulated security doors have for the Russian market?

What certifications should insulated security doors have for the Russian market?

Jan 08,2026
To enter the Russian market, insulated security doors require certifications like GOST R, fire safety, energy efficiency, EAC (TR CU), environmental, and anti-burglary compliance. This guide outlines key requirements, testing standards, and why certification ensures market access, safety, and quality for Russian buyers.
How do thermal break technologies improve energy efficiency in exterior doors for cold regions?

How do thermal break technologies improve energy efficiency in exterior doors for cold regions?

Jan 01,2026
Thermal break technologies transform exterior doors for cold regions by minimizing heat transfer, improving thermal insulation, and reducing energy consumption. This blog explains how these innovations (like insulated profiles, advanced sealing) enhance door performance, prevent heat loss, and support energy - efficient buildings, with insights from PPDDOORS’ expertise.
What are the essential insulation features for steel doors in sub-zero climates?

What are the essential insulation features for steel doors in sub-zero climates?

Dec 26,2025
Discover the critical insulation elements (insulating cores, weatherstripping, thermal breaks, etc.) that make steel doors suitable for sub - zero environments, enhancing energy efficiency and comfort while withstanding harsh cold.