Description
The Defender Thermaguard has been developed to meet the increasing demand for energy-efficient yet robust entry solutions. Independently accredited to deliver U-values as low as 1.4 W/m²K, this thermally rated steel doorset is ideal for commercial, industrial, and public buildings aiming to reduce heat loss while enhancing security.
Built with 1.5mm galvanised steel, mineral wool core, and weld-free construction, the Thermaguard delivers long-term durability and strength. Upgrade options include fire ratings of up to 120 minutes, acoustic performance, and custom-sized vision panels.
Finished in any RAL colour with textured, metallic, or woodgrain effects available, this steel security door balances security, compliance, and style.
Get in touch with Security Doors Direct today or explore our full collection of security doors.
Need advice?
Speak to the experts at Security Doors Direct on 0121 468 2063 or email us at sales@securitydoorsdirect.co.uk. Alternatively, speak to us using our Live Chat in the bottom right corner of the screen, or explore our FAQs for quickfire answers to your most urgent questions.
Choose from various pre-configured designs or work with our team to create your own customised look. With Defender Decorguard, you can even incorporate vision panels using clear, obscure, or patterned glass.
Our range of security hardware options includes electronic locking for maximum protection. The door is also available as a PAS24-tested door for peace of mind.
Go a step further to make your door unique by choosing from our special powder coatings, which include pearlescent and multi-coloured finishes, textured effects, and metallic and stone designs. The possibilities are endless! With the Defender Decorguard, you can create a designer security door perfect for your home.
Contact Security Doors Direct today to get started or discover our full range of home security doors today.























