Subbase with dimpled sheets
PMI dimpled sheets as a subbase have great advantages over lean concrete. The subbase can be laid directly from the roll, the installation itself is quick. In addition, no additional 5 cm excavation or any equipment is required. There is also no waiting time after installation: the reinforcement can be installed immediately.
It is important to ensure that strip-shaped spacers are used as the lower spacer. The dimpled membrane is free of voids between the substrate and concrete – and then acts as an additional waterproofing layer against soil moisture; cement glue cannot bleed out of the fresh concrete. The dimpled membrane made of HDPE is root- and rot-proof and safe with regard to drinking water.
PM 8N dimpled sheet with 8 mm high dimples is the cost-effective solution as a subbase and an inexpensive alternative to lean concrete.
PM STANDARD GS dimpled sheet with 8 mm dimples is the high-quality solution for a subbase, and also offers protection against rising soil moisture.