On flat roofs the piece of work is still done very sloppily. Now PMT inspects and approves the plants themselves. The managing director Peter Grass explains why, and which advantages these additional expenses imply.
PV Magazine Intl.
The solar industry is still debating the extent to which this problem, whereby temperature-related expansions and contractions cause an installed system to move gradually across a rooftop...
CEO, Peter Grass, engaged different companies to calculate the ballasting for one and the same roof PV System. The result amazed, how much the calculated weights, which are meant to keep the modules on the roof, varied.
PMT has attained the National Technical Approval for the mounting system Evolu-tion from the Deutsches Institut für Bautechnik. Peter Grass of PMT explains why he took the lengthy process at the DIBt upon himself.