tel: +48 32 415 45 93
tel. kom: +48 606 228 167
tel. kom: +48 600 850 367
tel. kom: +48 602 395 202
email: wmb@wmb.pl
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Warm Window Sills

Light and warm window sills WMB is a new segment of products on the facade finishing market.

The task of external window sills is to protect the wall from dripping and wetting.
The material from which the window sill is made should not only look nice, be easy to clean, but also be non-absorbent and resistant to weather conditions.
Thermal insulation is also an important aspect - WMB window sills significantly reduce heat loss. Thermo-window sills are ideal for energy-saving and passive houses.


All window sill models are also available in the PREMIUM version, covered with a special coating imitating e.g. granite or in white.

We also carry out individual orders, according to customer specifications in various widths and lengths, which makes it easier to adjust their reach to the woodwork and to the thickness of the building's insulation.

Click on the selected product to learn more details.

Six Premium coating colors are available:

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Why are WMB window sills better than traditional aluminum, clinker or conglomerate window sills?

What sets our window sills apart?

  •  Low weight approx. 2-3kg / m
  •  Easy cutting and assembly
  •   Possibility to order a personalized size and shape
  • It is possible to put them on old window sills without having to dismantle the previous window sills
  • Perfect insulation - WMB window sills eliminate thermal bridges and the so-called cold windowsill
  • Perfect for use in new buildings as well as renovating old facades
  • Factory 5% slope for easy drainage
  • High resistance to mechanical damage, all window sills are reinforced with durable reinforcing mesh
  • Weather and UV resistant
  • The outer coating is paintable
  • The PREMIUM version resembles natural stone


We also offer all models in the PREMIUM version, covered with a special coating imitating granite.

Six Premium coating colors are available:

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