Technical Specifications

Thermal insulation
Thermal insulation

Ud as low as 0.67 W/(m2K)

Sound reduction
Sound reduction

up to 34dB

Security
Security

up to RC2

Locking
Locking

Multi-locking

Construction depth
Construction depth

85mm

Test Certificate Available

bimobject.com

Door Information

The HT 400 timber-aluminium front door offers a clean, contemporary look with its fully flush door sash and square-edged design—perfect for modern architectural styles.

This high-performance composite construction combines the natural warmth of timber on the interior with the durability and weather resistance of aluminium cladding on the exterior. A core of highly insulating thermal foam ensures excellent energy efficiency and climatic stability.

Security is built in, with a standard 5-point locking system providing reliable protection and peace of mind for your home.

Features:

  • Material: Timber interior, Aluminium exterior
  • Design: Entire door sash flush with a square edge towards the frame.
  • Construction: Timber-aluminium composite with highly insulating thermal foam.
  • Exterior: Weather-resistant aluminium cladding.
  • Interior: Warm timber.
  • Security: Standard 5-point locking for maximum security.

Benefits:

  • Modern and stylish design: Offers a clean and contemporary aesthetic with a flush sash and square edges.
  • Excellent thermal insulation: Ensures superior energy efficiency and reduced heating costs.
  • Durable and weather-resistant: Aluminium exterior provides long-lasting protection against the elements.
  • Warm and inviting interior: Timber interior offers a natural and comfortable feel.
  • High security: 5-point locking system provides robust protection.
  • Good sound insulation: Helps to reduce external noise.
  • Long-lasting and robust: Timber-aluminium composite construction ensures durability.
  • Perfect combination: Blends the aesthetic and performance benefits of both timber and aluminium.

Ideal for homeowners and architects seeking a modern, energy-efficient front door with a fully flush design and square-edged styling. The HT 400 combines the natural warmth of timber on the inside with the resilience of aluminium on the outside—delivering long-term durability, excellent thermal performance, and strong security features for contemporary homes.

Related Downloads

Click on the link below to download related information.

Recent Work

Working closely with architects, builders, and homeowners, we’ve delivered systems that combine thermal efficiency, modern aesthetics, and long-term durability—across private residences, sustainable developments, and architect-led designs.

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New Product Alert: HF 420 Timber/Aluminium Windows Now Available

We’re excited to introduce the HF 420 to our premium range of timber/aluminium window systems. Perfect for both residential and commercial projects, the HF 420 is now available to explore at our Brasted showroom.

Build It Live South East

Yes, we recommend booking an appointment to ensure personalised service and availability. You can schedule your visit by filling out our contact form or emailing us at [email protected].

During your visit, our team will guide you through our range of premium window and door systems. We’ll answer your questions, help you explore customisation options, and assist in finding the perfect solution for your project.

Absolutely! Bringing your project plans or drawings can help our team better understand your needs and provide tailored recommendations.

Our knowledgeable team is here to help. Whether you need advice on materials, styles, or energy efficiency, we’ll guide you through the process and ensure you make an informed decision.

Ready to transform your home?

Our experienced team provides bespoke window designs and precision installations, ensuring every detail complements your architectural style.

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