Mounted in accordance with EN ISO 9239-1, on a substrate of at least Class D-s2, d0 with minimum density of 400 kg/m 3 or with an air gap (minimum height 30 mm) underneath.    ,
    An interlayer of at least Class E fl and with maximum thickness 3 mm and minimum density of 280 kg/m 3 may be included.    ,
    Class as set out in Table 2 of the Annex to Decision 2000/147/EC.    ,
    Without surface coatings.    ,
    Conditioned in accordance with EN 13238 (50 % RH, 23 °C).    ,
    Substrate at least Class D-s2, d0.    ,
    Applies also to steps of stairs.    ,

Wood flooring,Solid wood flooring of pine or spruce,  Pine: 480    Spruce: 400  ,14,Without air gap underneath,D fl -s1,
Wood flooring,Solid flooring of beech, oak, pine or spruce,  Beech: 700    Oak: 700    Pine: 430    Spruce: 400  ,20,With or without air gap underneath,D fl -s1,
Wood parquet,Solid wood (one layer) parquet of walnut,650,8,Glued to substrate ,D fl -s1,
Wood parquet,Solid (one layer) parquet of oak, maple or ash,  Ash: 650    Maple: 650    Oak: 720  ,8,Glued to substrate ,D fl -s1,
Wood parquet,Multilayer parquet with oak top layer, at least 3,5 mm,550,15 ,Without air gap underneath,D fl -s1,
Wood flooring and parquet,Solid wood flooring and parquet not specified above,400,6,All,E fl ,