The 110mm Black Soil Access Pipe allows access within the soil stack to enable easy testing cleaning & maintenance of the soil system. The access has 2 closed side bosses which when drilled using a 50mm
- 57mm hole cutter & boss adaptors are fitted will allow 32mm 40mm & 50mm waste pipes to be connected to the soil stack. The soil access pipe has a spigot at 1 end which should always form the lower joint.