Discover Janisol HI high-insulation doors installed by Stronghold Security Doors, designed for top thermal performance, security, and durability. Ideal for modern and renovated buildings, Janisol HI doors provide customisable finishes and configurations. These doors combine sleek aesthetics with advanced insulation technology, ensuring excellent energy efficiency and exceptional weather resistance.
Constructed from galvanised steel, Janisol HI doors are available with powder coating or stove enamelling to ensure resistance to corrosion and long-term durability. The flexibility in finishes allows these doors to seamlessly integrate with any architectural style, providing both functionality and visual appeal.
Janisol HI doors are tested and certified to meet international standards:
CE Certification: Compliant with EN 14351-1 for external doors.
Weather Resistance: Achieves watertightness up to Class 6A, air permeability up to Class 4, and wind resistance up to Class C4.
Sound Insulation: Provides up to Rw 45 dB for a quieter indoor environment.
Mechanical Strength: Certified to EN 1192, Class 4, ensuring reliability even in demanding conditions.
Designed to provide comfort and safety, Janisol HI doors meet strict performance standards:
With an 80 mm construction depth and filling elements up to 57 mm, Janisol HI doors help reduce energy costs while providing excellent insulation.
Multi-point locks (motorised options available), panic locks, and panic bar handles ensure your door meets both safety and security needs.
These doors are built to last, with door leaf sizes of up to 3.0 m and superior static strength for high-traffic areas.
If you have any further questions, feel free to contact us info@strongholdsecuritydoors.co.uk
Janisol HI doors feature triple-layer ISO glass and glass-fibre reinforced polyurethane insulators that achieve thermal performance values as low as 0.69 W/m²K. Their construction depth of 80 mm ensures superior thermal insulation, reducing energy consumption and keeping buildings comfortable year-round.
Yes, Janisol HI doors offer a variety of customisation options. You can choose from single or double leaf doors, with or without fixed side panels or skylights, and inward or outward opening configurations. Additionally, you can select from different finishes to align with your building’s architectural style.
Janisol HI doors are built to be secure and weather-resistant. They are certified for burglar resistance up to RC3, watertightness up to Class 6A, air permeability up to Class 4, and wind resistance up to Class C4. They also provide sound insulation up to Rw 45 dB, ensuring a quiet and secure indoor environment.