Substructure for sports ground - consists of needle felt made of non-rotting fibres and covered with plastic layer

摘要

A substructure for a sports gorund consists of a needle felt formed out of non-rotting fibres and covered with a plastic layer. The associated process involves treating a needle felt with a plastic dispersion, which is consolidated. The dispersion consists of a polyvinyl chloride plastisol. ADVANTAGE - The invention can be made simply and quickly and the problem of residual moisture can be controlled by simple means. (0/0)