This was an enclosed grp flat roof we installed on a school in Oldham. We fitted the usual OSB decking and all preformed trims to the internal perimeter. We also used grp preformed flashings and created a step flashing due to the slight slope on the roof. These were then bandaged to the preformed trims to create one complete watertight system to the internal perimeter.
Our three layer grp system was then install to the whole roof area, comprising a two layer, resin/fibre glass matting layer and two activated grp topcoats.(dark grey)