This research project is jointly funded by Tekes (the Finnish Funding Agency
for Technology and Innovation), industrial partners and VTT.
The industrial partners cover a wide value chain of owners (Cities of
Helsinki, Espoo, Vantaa and Oulu), material producers (Rudus for hard
surfacing and aggregates, Lemminkäinen Infra for hard surfacing and
construction, Saint Gobain Weber for drainage materials, Kaitos for geotextile
use in subbase, Pipelife for water handling systems, Puutarha Tahvoset for
landscaping vegetation), stormwater management designers (FCG, Ramboll) and
industrial associations (RT for building products and the Finnish Natural
The project duration is two years (2012-14), with expected demonstration work
being done in year three.
There is close cooperation with the Swedish project “Sustainable urban
development of solutions for green and grey surfaces” (CBI + 22 partners,
Vinnova financing, 2012-14), for wider knowledge gain especially regarding
horticulture (green) interaction with permeable surfacing solutions.