Plastic window sills

Alfasill interior plastic window sills

Coated (laminated) ALFASIL inner sills are made of materials with excellent stability, mechanical strength and long-lasting stability. The multi-chamber profile shape offers excellent thermal properties in comparison with other materials. High-quality, colour-fast, heat-sealed PVC foils allow for constant maintenance. They are widely used not only in new buildings but also during the renovation of older buildings.

Technical parameters

  • Material:  PVC cellular core, PVC deco foil
  • Width:  150, 200, 250, 300, 350, 400, 450, 500, 600 mm
  • Length: deliveries in rods of 6000 mm, covered with protective PE foil against damage during transport, storage and mounting
  • Accessories: side caps

Colour range

Supplied as standard in white, marble, golden oak, beech, walnut, alder, Winchester and anthracite.
We offer window sills in other colours. More than 200 colours are available upon request..


Flexible connection without the need for special tools. Easily cut to the appropriate size and glued to a flat surface using conventional adhesives or PUR foams.


  • Resistant to water and moisture
  • Mechanical strength
  • Colour and shape stability
  • Good thermal insulation properties
  • Easy to install and easy to treat
  • Aesthetics and design


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