Wooden windows can impress many people, but most customers do not decide to purchase them. This is not only due to their higher price compared to plastic windows but also because wooden windows require more frequent maintenance and care.


If this does not scare you and the purchase of your dream wooden windows is already behind you or is merely a formality, this article is a must-read. We want to show you how to take care of wooden windows so that they maintain their beautiful natural appearance. We will present not only proven products but also excellent methods.


Regular maintenance of wooden windows not only preserves their aesthetics but also extends their lifespan. With proper care, the windows will please our eyes for many years, retaining their functional and decorative qualities.



Regular Cleaning


  • Cleaning the window frames: Use a mild detergent and warm water to remove dirt and contaminants. Avoid using aggressive chemicals that can damage the wood.
  • Cleaning the glass: Clean the glass with an appropriate window cleaner and a soft cloth or sponge.


Inspecting the Condition of the Wood


  • Regularly check the condition of the wooden frames for cracks, chips, or signs of rot. Early detection of problems allows for quick remedial action.


Painting and Varnishing


  • Refreshing the paint or varnish coating: Every few years (typically every 3-5 years), renew the paint or varnish coating on the wooden frames. Remove the old paint or varnish with sandpaper, then apply a new layer of paint or varnish.
  • Moisture protection: Make sure to use high-quality paints and varnishes designed for exterior wood that provide protection against moisture and UV radiation.


Removing Mold and Fungi


  • If you notice mold or fungi on the wood, use specialized fungicides to remove them. Thoroughly clean and dry the surface before applying a protective layer of varnish or paint.


Seals and Fittings


  • Checking seals: Regularly check the condition of the seals around the windows. If they are damaged or worn, replace them to ensure good thermal and acoustic insulation.
  • Maintaining fittings: Lubricate hinges, locks, and other moving parts with specialized lubricants to ensure smooth operation.




  • Ensure proper ventilation of the rooms to prevent condensation on the windows, which can lead to wood damage.


Weather Protection


  • In extreme weather conditions (e.g., storms, frost), additionally secure the windows, e.g., by using external blinds or covers.


Repairing Minor Damages


  • If you notice minor damages such as cracks or chips, repair them as soon as possible. Fill the cracks with special wood putty, then sand and paint.


Recommended Products for Wooden Window Maintenance


We will present the products we use in our company and recommend to our clients:


  1. Cleaning product: Teknoclean 1951-00, which effectively removes dirt, grease, and other contaminants from wooden surfaces. The product increases resistance to fading and yellowing, prevents moisture buildup, and is resistant to wood shrinkage.
  2. Maintenance product: GORI 690-31 Surface Maintenance, which provides new shine and protection to surfaces damaged by the sun, rain, and frost.


Now you know how to take care of your wooden windows to keep them in perfect condition for as long as possible.