Prevent soil contamination during business activities
At the request of clients, Normec QS assesses combination seals during the various construction phases. A combination seal consists of a foil applied with direct contact of a mineral sealing layer. In addition to the extra security of the double seal, the advantages of both materials and their properties are also well exploited. Combination seals are mainly used in landfills.
In the case of a combination seal, a top seal of a landfill consists of:
The findings resulting from the inspection are recorded in a report for the client and, if necessary, provided with a declaration of conformity. The mineral layer is also tested by an accredited laboratory on behalf of Normec QS for, among other things, the compaction value and water permeability (k-value).
