Timber in joinery. General classification of timber quality Ingestion-build-181247 c) case hardening steels as

c) case hardening steels as specified in BS EN 10277-4

Requirements and tests for category AP equipment

This European Standard specifies requirements and gives recommendations on the design of potable water installations within buildings and for pipework outside buildings but within the premises

semi-detached and terraced houses and flats (with not more than four self-contained dwelling units per floor accessible from one staircase) of not more than three storeys above ground

d) overlay and parquet

Timber in joinery. General classification of timber quality Ingestion-build-181247 c) case hardening steels asThis European Standard specifies the method to be used to determine the characteristics and classify the appearance quality of timber in joinery. This standard applies to all complete items of joinery such as doors, windows and staircases, or to individual joinery parts. It includes solid, finger jointed, edge jointed and laminated joinery. This European Standard does not cover matters relating to the influence of timber characteristics on strength