The Biene Type 4 External Steel Door Set concludes the Biene solid-door range with a balanced offering of security, thermal efficiency, and functional design. As a fully non-glazed steel entrance, it provides a reliable and private barrier suitable for residential secondary access, commercial utility doors, and installations where solid construction is preferred for enhanced insulation and security.

Engineered for dependable performance in everyday UK conditions, the Biene Type 4 combines durable steel construction with effective insulation technology, delivering a practical and cost-conscious entrance solution without compromising on core performance attributes.

Key Features

• Fully solid external steel door leaf – designed without glazing for maximum security, privacy, and thermal integrity
• Robust construction suitable for residential, light-commercial, and utility applications
• Available with Thermo 64 or Thermo 78 insulation technology
• Improves energy efficiency by minimising heat loss
• Steel frame for reliable installation and lasting durability
• Aluminium frame option for a contemporary finish with enhanced corrosion resistance
• Configurable as left-hand (LH) or right-hand (RH) inswing
• Choice of opening method: door knobs (both sides) or inside knob with outside pull handle
• Compatible with a variety of secure locking mechanisms and functional hardware
• Available in standard UK sizes, with made-to-measure (MTM) dimensions offered
• Unique to Biene: Optional Stamp Inox Design for decorative customisation

Suitable For

• Residential rear and side entrances, utility rooms, and boot room access
• Garage side doors, outbuildings, and secure storage areas
• Commercial service entrances, plant rooms, and back-of-house access points
• Internal or ancillary doors in apartments and commercial buildings
• Projects prioritising privacy, security, and thermal performance in a solid door construction

Order today for prompt UK delivery and comprehensive product support.
Our team is available to assist with sizing, specification, and hardware selection to ensure your Biene Type 4 door set is perfectly suited to your practical and aesthetic requirements.

The images displayed on this website are for illustration purposes only. Final products may differ depending on the specific door configuration selected by the customer.

Enjoy nationwide delivery on all doors, including internal, external, and composite designs. We dispatch orders quickly, offer tracking on every shipment, and ensure your doors arrive safely and ready to install.

All our doors are sourced from leading UK and European manufacturers, built to last with premium materials and finishes. Each product is quality-checked before dispatch to ensure you receive only the best.