
SHalloduct is available to accommodate either 25mm or 32mm diameter PE pipes and their barrier pipe equivelent (please specifiy with order)
Outside diameter of SHALLOduct is 90mm - to fit into 94mm Rigiduct or similar twin wall ducting (90mm internal diameter) NOT SUPPLIED
If using larger diameter duct than 94mm please remember to tape the two sections of SHalloduct together.
Each length of SHalloduct is 840mm