Insulgard’s TTH350 wind and impact-resistant door system earned recognition as one of the top 75 new products by Building Design+Construction! This system meets rigorous design, testing, and certification standards, making it a standout solution for facility safety.
Highlighted as an editors’ pick in the windows and doors category, Insulgard’s TTH350 is the first glazed aluminum door system certified by UL to meet critical standards for use in tornado and hurricane storm shelters, as mandated by the 2015 International Building Code.
What is the TTH350 Door System?
The TTH350 door system provides maximum protection for safe rooms designed to withstand extreme weather events, such as tornadoes and hurricanes. Certified by UL to meet FEMA P-361-21 and ICC 500-20 standards, these doors are tested to endure wind speeds up to 250 mph. Constructed from extruded aluminum and featuring a bullet-resistant glazing system, the TTH350 offers proven impact resistance, providing peace of mind in extreme conditions.
System Features
The TTH350 door system offers key features, including:
- Various configurations (single or paired doors)
- Bullet resistance (UL752 Level 3)
- Easy installation with pre-assembled components
This system is an ideal solution for ensuring safety and security in critical environments, such as:
- Schools and Universities
- Law Enforcement Facilities
- Fire and Rescue Facilities
- Emergency Operations Centers
- Community Shelters
- Corporate Headquarters
- Storm Shelters
- Safe Rooms
For added convenience, optional electrified hardware is available, making the TTH350 a versatile choice for both security and operational needs.
Learn More
For over 45 years, Insulgard Security Products has been a trusted partner for architects and construction professionals focused on designing and building safer facilities. Our STORMDEFEND impact-resistant windows and doors strengthen infrastructure in some of the most hurricane- and tornado-prone areas in the U.S.
Ready to start your storm shelter project? Our team of security experts can help determine the best safety solutions for your needs. Contact us to learn more, or request a quote today.
