About Us
Craftsmanship and commitment to quality since 2007.
2007
Treppenrenovierungpro was founded by William Kruithof after his time at Van Keulen Interieurbouw, focusing on general carpentry.
2011
Specialization in stair renovations due to high demand for high-quality materials.
2018
Introduction of PVC steps to expand the product range and offer versatile solutions.
