A family-run firm from Austria with a workforce of 220 employees, KATZBECK has manufactured bespoke windows and doors made of wood and wood/aluminium for over 65 years. KATZBECK products stand for first-rate design, innovation, outstanding quality and green production processes. KATZBECK is your competent and capable partner in all stages of door and window production, from consulting and planning, to manufacture and installation. Open your senses and find inspiration for your home. Select from a broad range of models, colours and forms; create precisely the atmosphere in your ‘four walls’ that best suits your style. Visit our headquarters and production facility in Rudersdorf or one of our eight window studios in Austria.
• surfaces, these have to be pH neutral and free of substances harmful to the finish. An aptitude check has to be performed prior to use! • An aptitude needs to be conducted for metallic coats, as there is a risk of a change in color or effect. • Do not use scratching, abrasive agents. • Do not use strongly acidic or alkali cleaning or wetting agents. • Do not use any cleaning agents of unknown consistency. • The temperature of the cleaning agent as well as of the surface may not exceed 25°C. • Do not use high-pressure cleaners or steam cleaners. 9. Care and Maintenance of Glass Surfaces: Glass is durable, but it can’t withstand everything! As part of a window and a façade, glass is subjected to natural soiling and construction dirt. If regular dirt is properly cleaned at adequate intervals, there is no risk to glass. Depending on time, location, climate and the situation at the construction site, glass may be subjected to more violent chemical and physical accretion of dirt; here, professional cleaning becomes of essential importance. Cleaning during construction: In general, any aggressive dirt should be avoided during the construction phase. If this should occur, notwithstanding, the dirt must be removed immediately after the fact by the polluter, using non-aggressive means which can be rinsed without leaving residue. Especially concrete or cement slurry, plaster and mortar are highly alkaline and will lead to an etching of the glass, thereby damaging it (“blinding”) should it not be rinsed with ample water, immediately. The planner and/or the client are responsible for coordinating the various trades involved and are obligated to inform pursuant trades about the required protective measures, based on duty to collaborate and protect. An optimized construction process and/or separately designed protective measures such as applying protective film in front of the windows and/or façade area may aid in minimizing soiling. The so-called “primary cleaning” is intended to clean the components after completion of the structure. However, it can simply not serve the purpose of removing all soiling which had occurred during the construction progress. Cleaning during use: Using lots of clean water in order to prevent streaking through particles of dirt is always important when cleaning glass. The following hand tools are suitable: soft, clean sponges, leather, rags or rubber wipers. An additional requirement in avoiding any damage to glass is the proper treatment of the glass cleaning hand tools. Use different hand tools for glass, seals and frames. Predominantly pH-neutral cleaning agents or off-the-shelf household glass cleaners can act as support of the cleaning effect. Use customary solvents like spirit or isopropanol to get rid of grease or selant residue. Never apply cleaning agents such as alkaline leach, acids and agents containing fluoride. 10 KATZBECK-MANUAL
Using pointed, sharp metal objects, e.g. blades or knives, may damage surfaces (scratches). A cleaning agent may not affect the surface noticeably. So-called “de-blading” using a glass pane for entire glass surfaces is prohibited. If any damages of glass products or surfaces are identified during the cleaning process or because of it, halt all cleaning immediately and gather the respective information required to prevent further damages. Special requirements for especially refined and externally coated glass: Some types of sun blocking glass and/or self-cleansing glass etc. may exhibit special coating on the open surfaces; these certainly require heeding specific cleaning regulations. It will be necessary to contact the manufacturer in order to receive the specific cleaning regulations of the respective product! Special requirement for cleaning ESG (Single sheet safety glass) and TVG (partially prestressed glass): The surface of these sheets has been altered through the thermal prestressing process (as compared to “regular“ float glass) and, therefore, is more prone to scratching. It is essential to proceed very cautiously with these types of glass. Use a large amount of washing water, which needs to be exchanged at short intervals and use only very soft and clean cloths. It is prohibited to use blades or scrapers or any abrasive cleaning agents. Inform any and all persons involved in the cleaning process about these important notes on cleaning! Additional notes: Glass surfaces may be wetted irregularly by, e.g., residue of stickers, rolls, fingers, sealants or even environmental factors. This phenomenon will only appear when the glass is moist, so also during the cleaning process. Using portable polishing machines to remove surface damage may lead to a significant reduction of the glass quantity. The result can be distortions, which become visible as the “lens effect”, and may lead to a reduction of stability. Especially for externally coated glass, it is prohibited to use polishing machines. 10. Care and Maintenance of Seals: Seals should be cleaned regularly by using common household cleaners, which are best suited. Seals which have slipped out of the groove can be easily pressed back in by using your fingers – always start at the part which is still fixed. Seals should be treated regularly (approx. once a year) in order to preserve their restoring function and, subsequently, the tightness of the window structure. The following material is suitable for seal care: silicone sprays, glycerine, and/or off-the-shelf seal treatment products; however, beware that spray-on products should only be applied to the seals and not to any surrounding structural elements (wood, fittings, glass) so as not to harm them. KATZBECK-MANUAL 11
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