“Underwriters Laboratories” is an American safety consulting and certification company. Among other products, the company certifies fire doors with the UL mark. Although UL certification is voluntary, it is a requirement in many international markets in Asia, Africa, and the Americas because it is a mark of quality and inspires confidence.
At Asturmadi Doors, we manufacture UL-certified doors with fire resistance ratings of 90, 120, and 180 minutes.
Our UL-listed door
• Thermal Insulation Coefficient 1.2 (W/m²K)
• Superior torsional stiffness of the blade compared to a traditional assembly.
• Body panels and paint with high corrosion resistance and durability.
• Easy-to-install open frame.
• Excellent standard features.
• A wide variety of optional accessories are available.
• Tested for more than 200,000 opening and closing cycles.
• Approved as a whole.
Product Specifications Click here to view the product specifications.
https://asturmadidoors.visualit.com.es/wp-content/uploads/2026/07/Asturmadi-UL-FT.pdf
