We specialize in trench drain and slot drain products. Sustainable trench drainage solutions. Welcome to BG-Graspointner, your best reference for sustainable trench drainage solutions. We specialized in designing and manufacturing trench drains and slot drains for all sorts of applications and load classes. BG-Graspointner is a family owned company with a global presence in over 31 countries, and more than 14 subsidiaries world-wide. Our product range primarily includes Filcoten® (high performance concrete) Trench Drain systems, BG-GATIC (galvanized steel) Slot drain systems & BG Stainless steel Channels (BG Sigma & BG Omega) for a variety of external and internal surface/linear drainage applications.