WNL Horti Insulation introduces WNL Grey

WNL Horti Insulation is expanding its coating portfolio with WNL Grey: a new SDP50 coating in RAL 7038, developed to meet the growing demand for high-performance coatings for roofing and wall cladding in the horticultural greenhouse industry.

27 | 07 | 2026

WNL Grey is a premium SDP50 coating from Tata Steel, based on the well-known Goosewing Grey colour from the HPS coating range. For many years, Goosewing Grey has been one of the most widely specified and requested colours for greenhouse projects. By making this popular colour available in the durable SDP50 coating system, customers can achieve a consistent appearance throughout their projects while benefiting from the outstanding performance of SDP50.

A key advantage of SDP50 is that it is manufactured in the Netherlands. This means customers not only benefit from Tata Steel's proven quality, but also from a Dutch-made product with the advantages of a reliable European supply chain and reduced transport distances.


Benefits of WNL Grey

  • 25-year Tata Steel warranty throughout Europe, with no additional warranty application required.
  • Manufactured in the Netherlands, ensuring quality, reliability and a short, efficient supply chain.
  • 50 µm coating, specifically developed for exterior roof and wall cladding applications.
  • Excellent resistance to corrosion, UV radiation and harsh weather conditions.
  • Consistent colour matching across different coating systems.
  • A cost-effective alternative to the well-known HPS Goosewing Grey coating.


WNL Grey is now available from WNL Horti Insulation and will be included in colour charts, brochures and project quotations.

With WNL Grey, WNL Horti Insulation offers a sustainable, high-quality and cost-effective coating solution for today's greenhouse industry. Manufactured in the Netherlands and engineered for years of reliable performance.

For more information about WNL Grey or to request a colour sample, please contact us.

E-mail: sales@westnederland.eu
Phone: +31 (0)174 523 273