320mm Manhole Base - PolyDrain G962 Freefoam 18mm fascias boards are

Freefoam 18mm fascias boards are BBA Certified with standard square styling that is light but strong

 The membranes are available with or without integrated overlap tap

Extra large head making them ideal for their application

immediately after each step of the leadwork has been completed

320mm Manhole Base - PolyDrain G962 Freefoam 18mm fascias boards areThe 320mm DIA Inspection Chamber Base 5 Inlet is a reliable and adaptable component for underground drainage systems. Featuring three 110mm inlets and 110mm outlets, it enables the efficient collection and redirection of wastewater or stormwater. Constructed from durable, corrosion resistant materials, this chamber base is designed for long lasting performance. PRODUCT CODE MB320B Nominal Diameter 320mm Depth 219mm Inlet and Outlet 110mm Side Branches