Wood flooring. Solid parquet elements with grooves and/or tongues Ingestion-build-54371 ISO 20251 guidelines on water

ISO 20251 guidelines on water impermeability test for textile floor coverings is useful for:

High FAME (B20 and B30) fuel may contain from 14

multilayer or barrier pipes

ISO 18861 specifies a procedure for evaluating the water-resistance retention percentage

this applies to white LEDs and coloured (monochrome) LEDs

Wood flooring. Solid parquet elements with grooves and/or tongues Ingestion-build-54371 ISO 20251 guidelines on water1 Scope This European Standard specifies the characteristics of solid parquet elements with grooves and or tongues for internal use as flooring. This standard is not applicable to panels made from elements for which a separate standard is in course of preparation. This standard covers elements with or without surface treatment.