For all your flat roof accessories


GRP Watershed

GRP Watershed

GRP roof edge trims should be fixed over the first layer of a built up roofing system at no more than 300mm centres, with corrosion resistant fixings no less than 25mm long.


Our top quality GRP roof edge trims are manufactured using a polyester matrix providing a lightweight, highly durable and UV resistant product ideal for all of your waterproofing needs. They are suitable for felt, asphalt, liquid and EPDM roofs.

Our GRP roof edge trims have a low coefficient of thermal expansion which significantly reduces roof leakage caused by the splitting of roofing membranes at roof trim joints. It’s resistance to adverse weather conditions and atmospheric pollution means that no maintenance is required.

All sections are supplied In black in 3 metre lengths with joining sleeves included.

Our GRP roof edge trims are simple to handle and install as demonstrated below.

Downloadable pdf specification sheet

65mm econo trim fact sheet

GRP Watershed