A range of corrugated perforated pressure relief drain pipes.
A range of corrugated perforated pressure relief drain pipes, available in two sizes.
Acts as a perimeter conduit bedded in at the junction of the wall and floor slab, designed to take off ground water to a sump or soakaway
Reduces floatation pressures from bearing on the slab
Incorporates an outer geotextile filter to prevent particles from entering the channel
Designed for use with Delta®-MS vertical waterproofing systems