Professional building insulations

Derowerk specialises in sales of machines and cellulose insulation materials for the blow-in technology. Derowerk offers wide variety of roof membranes, tapes and other windtightness and airtightness products of SIGA and isofloc.


Are you looking for a reliable and fast business partner?



Contact us to:


  • buy X-Floc blowing machines and accessories. We are the exclusive representative of X-Floc GmbH for Poland and we sell abroad, too!

  • purchase isofloc F - a cellulose insulation material. It is produced in Berlin by Dämmstatt W.E.R.F. GmbH, a member of Isofloc Group. Isofloc Group is the leader among European cellulose insulation manufacturers. Derowerk company is the exclusive representative of Isofloc Group for Poland and we deliver to EU and non-EU countries.

  • buy SIGA membranes and tapes: Sicrall 60, Wigluv 60, Majcoat, Majpell, and other elements of SIGA airtightness and windtightness open-system products. Check our prices here!

  • train and become an expert in the insulation blow-in technology field.

  • insulate your home or other buildings in Poland and abroad; we deliver these services mainly by our chain of qualified contractors.


Welcome to Derowerk!