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Maintenance of Carlson Windows & Doors

After you have purchased your new Carlson Timber or Alu Clad windows and doors you can relax knowing that you have safely invested in durable, high quality products that will last a lifetime. Our products are designed to provide complete protection and are specially designed and built to survive in the harsh Scandinavian climate, and come with both Product Warranties and Supplier Guarantees.

We have compiled some guidelines to help you look after and care for your new windows and doors

General Maintenance Guidelines

  • Alu-clad window and door – the external surfaces are pretty much maintenance free. Units can be wiped down with a damp cloth as necessary.
  • Check the surface of windows and doors (particularly all timber units) regularly so that any damage can be detected and repaired as quickly as possible. Vertical mouldings (on timber windows and doors) can become worn especially by wind and weather and require more frequent maintenance than other surface areas.
  • A light dusting of talc is good for weather seals.
  • Hardware can benefit from a light oiling / lubrication 
  • Wood is a living material, because of this droplets for resin may seep out onto the wood finish even after being treated. Some discolouring (primarily with light colours) and resin penetration can be removed – carefully – using mineral spirits
  • All our windows and doors have been factory treated with a wood preservative to protect against rot and decay and have received a full factory finish. Periodically retreat your windows or doors as needed using the correct type of stain or paint. Before retreating thoroughly clean the window or door surface with a mild detergent (not washing up liquid). Scrape away any peeling paint and sand lightly with sandpaper, cleaning away any dust and apply a basecoat (if appropriate). When dry, lightly sand with fine sandpaper, brush away the dust and apply the first layer of paint or stain - repeat this step as appropriate. Do not paint over moving hardware, glazing seals, weather stripping or DVC Sticker. Do not close operating sashes or panels until completely dry. Surface treatments should be carried out when the most exposed parts of your windows or doors again show signs of wear.
  • Lubrication – hinges, handles and rivet joints as well any espagnolette locks, slide bars, roller bolts, slots, lock or bar lock should be lubricated as needed or at least once a year with an all-purpose oil. On Sashes fitted with Friction Brakes and /or concealed side swing and reversible hardware and mountings, it is important to keep the slide rails clean and oil-free- and also free from paint. 
  • Paint/ stain cannot be applied to weather strips, glazing or hardware as this will cause the weather strips to go hard, brittle and eventually become no longer weatherproof.
  • Cleaning – use plenty of water the first time you wash your windows and doors after finishing your building or remodeling project. Remove window stickers using a sponge and water. Remove any leftover glue or silicone with solvent remover. After washing or polishing the windows, be sure to dry off the sash and frames with a dry cloth. IMPORTANT: Never use gasoline, paint thinner or other solvents that contain ammonia on painted or treated surfaces.
  • Ventilation/Condensation – as homes are increasingly well insulated with less air flow – good ventilation has become more and more important. Whenever there is excess humidity in a home, it manifests itself in the form of condensation on the coldest area - which is normally the windows. To avoid this your home needs to be ventilated regularly, habitable rooms should be ventilated a couple of times a day, never block or close vents. In the kitchen open up vents fully and turn extractor fan to maximum speed when cooking, put lids on pans during cooking to limits the amount of moisture entering the kitchen, air well during and after cooking. In bathrooms never block or close vents or extractor fans, air well after showing/bathing. If you are drying clothes indoor ensure there is adequate ventilation to allow the excess moisture escape.

Things to remember

  • New/refurbished homes are normally more insulated that older homes – increasing the need for ventilation to avoid condensation
  • A new or renovated home needs more ventilation in its first year than an older home
  • An adult exhales about 2 liters of water every day
  • Moisture problems increase as the room temperature decreases
  • On calm days the sun can provide more free heat than is lost through normal ventilation.

If you have any further questions on maintenance, or would like more advice on Carlson windows and doors, please do not hesitate to contact us.

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