CARBONCORE
The unique CarbonCore construction
CarbonCore forms the base of Pirnar doors, with its reinforced threshold, incredible durability, and year-round stability, with 50% less warping than the leading competition in Germany.
The model’s design impresses with its modern appearance and range of design options at an affordable price. The recommended model combines a dark hue with accents of stained oak, giving it a warm feeling. Satined glass and NERO EDITION accessories complement the elegant feel. It is perfect for anyone who treasures style, beauty, and great features.
The Optimum collection is built upon the award-winning CarbonCore construction with reinforced threshold and a minimal bimetal effect. Laboratory tests showed an impressive 50% less warping than the leading German competitor’s doors. Coupled with the standard WeatherSeal or record-breaking upgrade Magnet WeatherSeal (9A on the IFT Rosenheim scale), it ensures a pleasant temperature and energy efficiency all year round.
Stock features in the Optimum line include a mechanical ARMO 3-point lock for traditional locking with a key and the security class of RC2. Upgrading to the motorized ARMO COMFORT ELECTRO or PLUS models gives you the option of locking by fingerprint or keypad, perfect for smart homes and other modern living demands. The day-night function makes it possible to come and go as you please during the day, with the door locking automatically at night for added security.
Optimum doors come with excellent thermal insulation (Ud 0.75 W/m²K as an upgrade), keeping in cosy heat during the winter and pleasantly cool air in the summer. For even more comfort in urban environments, the supreme SoundCore acoustic insulation (up to 43 dB), combined with the Magnet WeatherSeal, reduces ambient noise up to 18 times compared to keeping the door open – without risking the loss of thermal energy.
The Optimum Line comes as standard with a selection of 6 fine-structured aluminium colours that are elegant, scratch-resistant, and effectively conceal minor surface imperfections. At an additional cost, you can also choose decors in wood, corten, or concrete imitation. Wood-effect decors provide the warmth and appearance of a wooden door without demanding maintenance, while concrete or corten imitations follow contemporary architectural design trends.
The Optimum line’s handles and doorknobs are always made by hand with meticulous attention and feeling for detail. Each one is a unique piece of art. The premium materials used, such as precision-cast stainless steel or cast aluminium, ensure an extremely long lifespan. Upgrades in the Optimum line feature elegant round and straight handles, including the personalized LabeLux handles. It comes stock with the 6039 stainless steel indoor doorknob, and the exclusive die-cast aluminium Eleganza doorknob is available as an upgrade
Optimum line accessories are available in stainless steel as standard options. As an upgrade, you can choose from the exclusion Nero or Marine Edition packages – with handles, knobs, decorative trimming, side glazing, and lock protection in elegant black or saltwater-resistant versions. These are powder-coated, offering superior protection against scratches and corrosion. Marine Edition accessories are the ideal choice for homes along the coast, as they are made to withstand the effects of the sea.
Glazing in the entrance door brings more natural light, enhanced security, a sense of spaciousness, and refined elegance. As standard, the Optimum Line is available with clear glass and satinated glass. The line is characterised by triple-glazed insulating glass.
Illuminating accessories on your door creates an elegant ambiance and increases your sense of security in the dark. Manage your lighting either by hand or with the Pirnar app, which lets you adjust brightness and lighting periods. Lighting details don’t just make for more pleasant usage, but give your home a uniquely prestigious appearance.
The Optimum line can be upgraded with a wide range of accessories, such as decorative trimming in three widths (20 mm, 50 mm, and 120 mm), lock protection, and a traditional or electronic doorknob. Each element was designed with the highest standards of aesthetics, functionality, and security for your home.

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Ljubljana, Slovenia
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