• Locking System: Patented multi-point locking system available on the PremiLine Pro security upgrade, positioned at the patio door interlock for enhanced protection.

• Handle: Unique three-position pop-out handle designed to operate the enhanced locking system smoothly and securely.

• Security Upgrade: PAS 24:2022 upgrade available on eligible two, three and four pane PremiLine Pro configurations, when manufactured to the correct specification.

• Frame Strength: Steel-reinforced uPVC profiles provide excellent rigidity, with an aluminium-reinforced centre section for added stability across wider patio door openings.

• Sash Security: Robust sliding sash design with a reinforced interlock section to help improve strength where the doors meet.

• Hardware: Heavy-duty rollers and high-quality stainless steel tracks help keep the door running smoothly and securely over long-term use.

• Glazing Options: Toughened safety glass supplied as standard, with laminated glass options available for customers wanting additional security.

• User Safety: Soft-close and anti-slam options help reduce the risk of trapped fingers and accidental damage to the door.

• Double Glazing: High-performance double glazed units available, with Kömmerling stating the PremiLine system can achieve a U-value of 1.4 W/m²K when double glazed.

• Triple Glazing: 32mm triple glazed units available for improved thermal performance, with Kömmerling listing an achievable U-value of 1.2 W/m²K.

• Glass Thickness: PremiLine can accommodate a wide range of glazing options up to 32mm thick, making it suitable for both double and triple glazed specifications.

• Toughened Glass: Toughened safety glass is available and commonly supplied with patio door sealed units, helping improve strength and safety for large glazed panels.

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

• Security Glass: Laminated glass options are available for customers who want additional protection and peace of mind.

• Obscure Glass: Privacy glass options can be selected where required, ideal for overlooked areas or specific design preferences.

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

• Large Glass Areas: The PremiLine system is designed for wide sliding patio doors with generous glazed sections, helping maximise natural light and garden views.

• Thermal Efficiency: Designed to deliver strong energy performance, with Kömmerling stating that PremiLine can achieve a U-value of 1.4 W/m²K when double glazed, improving to 1.2 W/m²K with a 32mm triple glazed unit.

• Smooth Operation: High-quality stainless steel tracks and specially designed rollers allow the sliding sash to move smoothly and easily, even across larger glazed areas.

• Long-Term Durability: Stainless steel tracks are used to help maximise service life, while hardened PVCu rollers are designed for smooth, reliable day-to-day operation.

• Structural Strength: Steel-reinforced profiles and an aluminium-reinforced centre section provide excellent stability and strong static performance, making the system suitable for larger patio door openings.

• Large Opening Capability: PremiLine 80 is designed for generous sliding elements, with Kömmerling listing a maximum sash size of up to 2m, up to 4m wide in a two-pane variant, and heights up to 2.3m.

• Flexible Installation: The outer frame can be welded in the factory or mechanically connected on site, helping with handling and installation where access is more restricted.

• Low Maintenance: The robust PVCu profile system is designed for long-lasting performance with minimal upkeep, making it a practical choice for busy homes and everyday use.

• Comfort in Use: Quiet, smooth sliding action, strong profile construction and large glazed sections help create a comfortable, light-filled connection between the home and garden.

• Track System: High-quality stainless steel tracks help provide smooth sliding operation and maximum service life, even on larger glazed patio door designs.

  Rollers: Specially hardened PVCu rollers are used to deliver super-smooth running of the sliding sash, helping the door glide easily during everyday use.

• Heavy-Duty Roller Upgrade: Heavy-duty rollers are available for two, three and four pane doors, with Kömmerling listing suitability up to 160kg for larger applications and triple glazing specifications.

• Locking Hardware: PremiLine Pro can include a patented multi-point locking system, designed to improve patio door security while keeping the door easy to operate.

• Handle Options: A unique pop-out handle is available with the PremiLine Pro system, with Kömmerling stating it can be supplied in a range of finishes.

• Soft-Close Option: Soft-close hardware can be added to provide smoother closing, an anti-slam function and reduced risk of trapped fingers or door damage.

• Sash Stop: An upgraded sash stop is available as part of the enhanced PremiLine patio door feature set, helping improve day-to-day operation and control.

• Full-Length Interlock Handle Section: The aluminium-reinforced centre section with full-length handle helps improve stability, reliability and tightness where the sliding sections meet.

• Fabricator Specification: Hardware, handle styles, lock brands, cylinder choices, roller sets, colour options and upgrade availability can vary depending on the fabricator, supplier and installation location. Final hardware specification will be confirmed at the point of order.

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

• Professional Installation Recommended: Patio doors are large, heavy glazed products and should be fitted by someone experienced with external door installation, glazing, levelling, fixing and weather sealing.

• Installation Flexibility: The Kömmerling PremiLine system is designed to suit a range of installation conditions, with different frame options available depending on the required specification.

• Threshold Options: A low threshold option is available, helping make access easier where a lower step-over is required. Final threshold choice may depend on your chosen configuration, survey details and fabricator specification.

• Handling & Access: Due to the size and weight of patio doors, customers should ensure there is suitable site access, safe lifting support and enough room to manoeuvre the frames and glass units into position.

• Survey Responsibility: As a supply-only order, all sizes, configurations, opening direction, threshold choice and frame add-ons must be checked carefully before manufacture. We recommend allowing suitable fitting tolerance around the brick opening.

• Weather Protection: Correct installation is essential for long-term performance, including accurate levelling, secure fixing, correct drainage, suitable packers, perimeter sealing and making good around the frame.

• Product Performance: When fitted correctly, PremiLine patio doors are designed for smooth operation, strong stability and long service life, using steel-reinforced profiles, an aluminium-reinforced centre section and stainless steel running tracks.

• 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, rollers 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 or building movement after fitting.

You are purchasing a pre-configured uPVC Patio 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.