• Multi-Point Locking: Designed to work with high-security multi-point locking systems, helping secure the door at several points around the frame.

• Shoot Bolts: Shoot bolt locking can be incorporated to help secure the opening and slave door, improving strength at the top and bottom of the French door set.

• Key-Locking Handles: Key-locking handle options are available, giving added day-to-day security and control.

• Independent Door Locking: French door configurations can be supplied with independently locking doors, helping keep the secondary door secure when only one side is in use.

• Reinforced Profiles: The Kömmerling 70 system uses strong multi-chambered uPVC profiles, with reinforcement options available to improve rigidity and stability.

• Secure Glazing: Internally glazed or secure glazing options can be used depending on the fabricator specification, helping make the glass harder to remove from outside.

• Cylinder Options: Standard or upgraded cylinder options may be available, including anti-snap style cylinders depending on your chosen specification and fabricator.

• Hinge Security: Robust hinge options help support the weight of the doors while maintaining a secure, reliable fit when closed.

• Glazing Upgrade: Laminated glass can be selected for customers wanting additional security and peace of mind.

• Fabricator Specification: Final locks, cylinders, handles, hinges, shoot bolts and security upgrades can vary depending on the fabricator, chosen configuration and delivery location.

• Double Glazing: High-performance double glazed units available, helping improve warmth, comfort and energy efficiency for everyday use.

• Triple Glazing: Triple glazing options may be available depending on the final French door specification, fabricator and glass unit selected.

• Glass Thickness: The Kömmerling 70 system can accommodate glazing from 10mm to 44mm, while French door specifications commonly use 28mm to 44mm glazing options depending on the supplier and configuration.

• Toughened Glass: Toughened safety glass is available and is typically used for large glazed door areas, helping provide added strength and safety.

• Laminated Glass: Laminated glass can be selected where additional security, safety or peace of mind is required.

• Obscure Glass: Privacy glass options are available for customers who want reduced visibility, ideal for overlooked areas or specific property layouts.

• Decorative Glass: Decorative glazing designs may be available, allowing the French doors to be styled to suit traditional or more detailed property designs.

• Energy Efficient Glass: Low-E glass, argon gas filling and warm edge spacer bar options can be used to help reduce heat loss and improve thermal performance.

• Acoustic Performance: Upgraded glazing options can help reduce outside noise, with the final sound reduction depending on the exact glass specification chosen.

• Glazing Beads: The O70 system features ovolo glazing beads, giving the glass line a softer, more traditional appearance that matches the decorative profile style.

• Thermal Efficiency: The Kömmerling 70 system is designed for strong energy performance, with five-chambered profile technology helping reduce heat loss through the frame. Kömmerling lists the system as achieving a Uf value of up to 1.2 W/m²K, with glazing options from 10mm to 44mm.

• Energy Ratings: Depending on the final glass unit, spacer bar and fabricator specification, Kömmerling 70 products can achieve excellent overall U-values, with Kömmerling UK stating performance of 1.2 W/m²K as standard and 0.88 W/m²K with triple glazing across the Kömmerling 70 range.

• Acoustic Performance: The multi-chambered profile design, weather seals and suitable glazing options help improve sound insulation, making these French doors a good choice for reducing everyday outside noise. Kömmerling describes the system as offering improved thermal and sound insulation for greater living comfort.

• Weather Protection: The double-seal system is designed to help protect against draughts and water ingress when correctly installed, supporting long-term comfort and reliable day-to-day performance.

• Structural Strength: A stable 70mm profile cross-section and intelligent profile design help provide durability, rigidity and a long service life. Reinforcement can be included where required, depending on the door size, configuration and fabricator specification.

• Glazing Flexibility: The system can accommodate a wide range of glass unit thicknesses, allowing the doors to be specified with standard double glazing, upgraded double glazing or triple glazing where available.

• Low Maintenance: Robust, weather-resistant uPVC surfaces are designed to be easy to care for, helping the doors retain their appearance with minimal upkeep.

• Everyday Comfort: When correctly surveyed, manufactured and installed, Kömmerling 070 French doors provide a strong balance of warmth, security, natural light, easy access and long-term reliability.

• Handles: Lever/lever handle options are available, with French door sets typically supplied with dual handles for convenient operation from both sides. Final handle style, colour and brand can vary depending on the fabricator and specification.

• Multi-Point Locking: Designed to work with multi-point locking systems, helping secure the active door at several points around the frame for improved everyday security. Kömmerling’s O70 literature refers to multi-point locks incorporating shoot bolts and key-locking handle mechanisms.

• Shoot Bolts: Top and bottom shoot bolts can be used to secure the secondary/slave door when closed, helping keep the French door set stable and secure.

• Independent Locking Doors: Depending on the final configuration, Kömmerling O70/C70 French doors can be supplied with independently locking door leaves, giving added flexibility when using only one side of the opening.

• Hinges: Robust, unobtrusive hinge options are available to support the door leaves while keeping the overall appearance clean and tidy.

• Threshold Options: A range of threshold options can be used, including low-threshold choices where easier access is required. Final availability will depend on door size, opening direction and fabricator specification.

• Cylinder Options: Standard or upgraded cylinder options may be available, including enhanced security cylinders where specified.

• Restrictors & Extras: Optional extras such as door restrictors, trickle vents, frame add-ons and hardware upgrades may be available depending on the chosen design and manufacturing route.

• Supply Only Product: Supplied as a made-to-measure uPVC French door set, ready for installation by your chosen installer, builder or competent tradesperson.

• Professional Installation Recommended: French doors should be fitted by someone experienced with external door installation, glazing, levelling, fixing, toe-and-heeling, drainage and weather sealing.

• Made-to-Measure Manufacture: Each door set is manufactured to the sizes and specification confirmed before production, including colour, opening direction, threshold, glass and hardware options.

• Installation Preparation: Customers should ensure the structural opening is correctly measured, level and suitable for installation before ordering. Suitable fitting tolerances should be allowed around the brickwork opening.

• Threshold Options: Standard and low threshold options may be available depending on the chosen configuration, helping you select a suitable finish for your access requirements.

• Weather Protection: Correct installation is essential for long-term performance, including accurate frame positioning, secure mechanical fixing, correct packer placement, perimeter sealing and making good around the frame.

• Product Performance: When correctly surveyed, manufactured and installed, the Kömmerling 70 system is designed to provide strong thermal performance, sound insulation, security and long service life, using a 70mm five-chamber profile system with robust, weather-resistant uPVC surfaces.

• Supply Area Note: In some cases, the final profile system, fabricator or component specification may vary depending on customer location and manufacturing availability. Any suitable alternative will be selected to match the intended style, quality and performance of the product.

• Guarantee: Supplied with a manufacturer/fabricator-backed product guarantee covering the door set against manufacturing defects, subject to the final specification and guarantee terms provided at the point of order.

• Glazing & Hardware Cover: Glass units, locks, handles, hinges, cylinders, seals and other hardware components may have separate guarantee terms depending on the fabricator, glass supplier and hardware used.

• Important Note: The guarantee covers the supplied product only and does not cover incorrect surveying, poor installation, unsuitable storage, accidental damage, misuse, lack of maintenance, building movement or adjustments required after fitting.

You are purchasing a pre-configured uPVC French Door design. This product is supplied as shown, so please check your order carefully before completing your purchase.

Once your order has been placed, it is your responsibility to review your order acknowledgement and make sure all details are correct, including sizes, colours, glazing, hardware, opening direction, threshold, quantities and any selected options.

You will have 24 hours to review your acknowledgement and let us know if anything needs correcting. After this time, your order may be released into production and changes may no longer be possible.

In some cases, the exact profile system, fabricator or component specification may vary depending on your location, manufacturing availability or delivery requirements. Any suitable alternative will be carefully selected to match the intended style, performance and quality of the product.

We are committed to supplying your products on time and to the highest possible standard. Occasionally, an item may not pass our Quality Control checks before dispatch. If this happens, a remake may be required, which can unfortunately delay your order.

We deliver to each area on scheduled weekly routes, so delivery dates may be limited by route planning and fleet availability. To avoid disruption, please do not schedule installation work until you have received your full order and checked all items thoroughly.