De VerbouwingsConstructeur is the knowledge and projects site of structural engineer Siemelink on renovations: strength, strength calculation, stability, deformation, economy and sustainability. sio-IT transferred the site and added English and German versions.
Link with Sterkteberekeningen
For a calculation for your own renovation, you can turn to Sterkteberekeningen in Utrecht, also a case of sio-IT.
Frequently asked questions
Is the site also available in English?
Yes, in English and in German.
