The window sills available in the GM PLAST range are made from very high quality materials. They are available in a wide range of colours. They are characterised by high stability and resistance to damage and the fact that they will fit perfectly into the interior of your home. The top layer allows for easy maintenance and is washable. As a result, the window sills are protected from the sun and resistant to UV rays. The window sills are also recyclable and environmentally friendly.

Features of our sills:

  • Waterproof
  • Thermal resistance
  • Colour stability
  • High strength - no deformation
  • Easy maintenance
  • Scratch resistance
  • Easy installation

Interior window sills

Exterior window sills


Small but important

They play an important role in the function of the window. They stabilise the window frame and panels, support insulation and provide space for decoration. Window sills can be both beautiful and functional and are an essential part of any type of window.

Sill is the term used to refer to the projection at the bottom of the window. It is located where the window frame meets the wall. The sill provides the structural foundation for the window. Externally, it serves to channel water away from the house and provides good insulation for the frame. Some window sills protrude from the wall to make room for decorations such as a flower box or bird feeder. Technically speaking, a windowsill only exists on the outside of a house or flat. Architecturally, the part of the shelf that is inside is called a window stool. But many people use the term 'windowsill' to describe both the exterior and interior parts of a

Window sills Police

Window sills Szczecin

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