Spatially fill window

In particular, wooden windows are among the popular windows, but also require a regular maintenance, which can increase with age. For example in the form of cracks that need to be filled. Below you will find information on how to spatulate a window professionally and sustainably.

External effects on windows

Wooden windows are among the most popular, but also the most expensive, windows. They convey naturalness and warmth. In modern thermal insulation windows made of wood, at least the inside is reasonably protected, since hardly any cold bridges form. But in older wooden windows, the inside and outside of the windows are massively affected by various effects:

  • Temperature fluctuations (outside, inside older, poorly insulated windows)
  • Moisture and moisture (outside, inside with poorly insulated windows due to condensation)
  • UV radiation of the sun (outside)
  • Frost and cold (outside)

In addition, it may also come to other damage to the window over time, for example, by massive mechanical action. All this means that from time to time you have to varnish or varnish your windows. But that's not always enough. In particular, with increasing age of the windows, cracks and deep damage occur.

Products for filling windows

Then you have to eliminate the damage before painting the wooden windows. You can solve this especially with wooden windows very well with putties. The specialist trade offers various filling products:

  • Window putty (putty or Linseed putty)
  • Glass Fiber Filler (Epoxy Spatula)
  • Holzspachtel

Epoxy spatula (glass fiber spatula)

Glazing putty and glass fiber putty generally prevail as excellent putties. Although just brings epoxy filler many advantages, but also a significant disadvantage with it. First you should mix the epoxy spatula with wood flour until a nice stiff, but still creamy putty is created. Then you can fill the prepared damaged areas at the window.

Disadvantages and advantages

However, the resin has a special effect: the spatula is not permeable. This means that the underlying wood can not breathe. The sawdust is also soaked in the resin. But this spatula is extremely durable and durable. Even high mechanical stresses can not harm the so-prepared epoxy filler. You can also process the wood surface with oil-based products (impregnations, glazes, lacquers) as before.

Leinstoffitt (glass or window putty)

This also applies to windows that you have filled with glaze putty. However, Glaserkitt also brings with it some disadvantages. So you should immediately paint Glaserkitt after curing the surface. Oil-based paints and products are especially suitable for this purpose. Otherwise the glaze putty oxidizes even faster. This results in a hardening and embrittlement. However, you can only slow down this effect with a coating, but not completely stop it.

Holzspachtel Products

For wooden spatula products, you must make sure that it is permeable to diffusion. Because everywhere, where this property is important, fall the other two, quite better suitable fillers. For smaller damaged areas but should also be epoxy filler on the outside of a window pose no problem. It will only be difficult if you really need to fill a large area.

Tips & Tricks

Even before filling, you must prepare your wooden windows. You can sand the wooden window grinders or remove the windows. The leaching of windows is only recommended under certain, narrow conditions.

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