Hormann Thermo46 Style 400l (cathedral glass) Door
Hormann Thermo46 Style 400l (cathedral glass) Door is backordered and will ship as soon as it is back in stock.
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Hormann Thermo46 Style 400l (cathedral glass) Door
Variant: Default Title
Price: £1,494.36
Pickup available at Door Systems HQ
Usually ready in 5+ days
Delivery and Shipping
Delivery and Shipping
All lead times are approximate and subject to change.
Delivery requires an able-bodied person to be present.
Please get in touch with us if you have any queries.
Hormann Thermo46 Style 400l (cathedral glass) Door is backordered and will ship as soon as it is back in stock.
Description
Description
The Hörmann Thermo46 Style 400L door is a bold statement piece that combines generous glazing with modern design. Its sidelight (“L”) configuration allows more natural light in while maintaining strength and insulation, giving your entrance a brighter, more open feel without compromising on performance.
Efficient Thermal Insulation
Constructed with the Thermo46 standard, this door delivers a U-value of approx. 1.1 W/(m²·K), helping to retain warmth inside and reduce energy costs. The double-pane insulated glazing used for Style 400 (and variants like 400L) preserves thermal efficiency even with larger glass areas.
Dependable Security
You’ll get a 5-point locking system as standard, plus additional hinge-side security bolts to resist forced entry. The steel frame and durable fittings ensure strong protection, coupled with a high-quality glazing that meets safety standards.
Tailored to Your Style
Style 400L offers glazing options characteristic of the 400 styles, allowing you to choose decorative glass types (cathedral, ornament-glass etc.), with frames and leaf finishes and colour choices from the Hörmann range. Once your order is confirmed, we’ll send a detailed design/specification for your approval before it goes into production.
Why Choose the Hörmann Thermo46 Style 400L?
Elegant glazed design with sidelight for enhanced natural light
Excellent thermal performance even with decorative glazing
Secure multi-point locking with reinforced hinge protection
Flexible finishes and glass options to match your home’s aesthetic
Made from durable materials for long life and low maintenance
Specifications
Specifications
| Feature | Details |
|---|---|
| Models Available | Thermo46 and Thermo65 |
| Door Leaf | Thermo46: 46 mm |
| Thickness | Thermo65: 65 mm |
| Construction | Solid steel door leaf with PU rigid foam core insulation |
| Thermal Performance | U-values as low as 0.87 W/(m²·K) (Thermo65 |
| Security Features | Multi-point locking as standard Optional RC 2 security upgrade |
| Sealing | Triple all-round sealing (Thermo65)Double sealing (Thermo46) |
| Glazing Options | Triple or laminated safety glazing available on selected models |
| Surface Finishes | Multiple RAL colours, Decograin timber-look, and exclusive Matt deluxe finishes |
| Smart Access Options | Compatible with Hörmann SmartKey and BlueSecur app (optional) |
| Opening Direction | Inward-opening as standard |
| Frame Material | Aluminium frame with thermal break |
| Internal Finish | RAL 9016 Traffic White (standard) |
| Sizes Available | Standard and made-to-measure optionse |
| Certification | CE-marked, tested to EN 14351-1 |
| Warranty | 5 years manufacturer’s warranty |

