RAWMAT HDB®-P is an active waterproof membrane based on high-density pre-hydrated bentonite. Its special patented pre-gel technology provides appropriate expansion regardless of the composition of groundwater. The HDB-P version needs to be combined with a strong non-woven geotextile. This provides maximum adhesion even when installing on uneven substrates such as earth and piling.
This membrane is waterproof on-site.It provides expansion and tightness whatever the composition of the water it comes in contact with.It is ideal for retaining walls and barrier applications.It is a robust material that does not deteriorate during application.It is quick to apply.It protects overlaps from water infiltration.
IT IS IDEAL FOR
Applying to uneven support surfaces, such as drainage gravel and soil.Applying to sheet pilings and other piling systems.Geotechnical engineering and lake waterproofing