Windows and doors of obvious quality

  • Windows

    As one of Denmark’s largest window manufacturers, we produce windows that frame light and life – built in solid, long-lasting quality and with genuine respect for fine craftsmanship. We offer a wide range of windows in wood/aluminium, wood, and PVC, manufactured with professional pride and attention to detail.

  • Doors

    Doors are a transition. A first impression of what lies beyond. That is why we manufacture doors with precision, material expertise, and a focus on performance, durability, and function. At Kastrup, we supply front doors, sliding doors, and patio doors in wood/aluminium, wood, and PVC – delivering quality that is evident both in appearance and everyday use.

Designed with Kastrup

Our windows and doors are developed to integrate naturally across many building styles - from classic Danish homes to modern, energy‑efficient designs. Each solution is tailored to support the project’s architecture, performance needs, and material palette.

Why customers choose Kastrup

  • 100% Danish-made

    Manufactured at our own factories in Holstebro and Skive

  • Tailor-made solutions

    Windows and doors adapted to each project; in cooperation with trusted craftsmen and installation specialists, we offer professional guidance and consultation

  • Fast delivery

    Direct from factory to site or residence via our network of selected craftsmen and distributors

About Kastrup

Since 1995, we have manufactured windows and doors in Denmark. Today, we are the country’s only manufacturer offering a complete material range in wood/aluminium, wood, and PVC.

All production takes place at our factories in Holstebro and Skive, in close collaboration with our customers on every project. Our quality is uncompromising – technically, aesthetically, and environmentally.

Find distributor
Find distributor

Ready to find the right windows? As a private customer, Kastrup windows and doors are supplied through your local craftsman.

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Windows
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Doors