LINING MATERIAL FOR CONDUIT AND LINING MATERIAL FOR CONDUIT

摘要

An object is to prevent peeling at overlapping both circumferential ends (overlapping portion) of a lining material installed in a conduit. There is provided a lining material 1 which is inverted to be inside out to line a conduit P. The lining material 1 includes: an impermeable layer 3; a lining material main body 2 provided inside the impermeable layer 3, the lining material main body 2 made into a tubular form by rolling a base material sheet 10, with its both circumferential ends overlapping each other; and a tubular member 8 provided inside the lining material main body 2.