Purpose
Compared to EN 14354:2017 the following modifications have been made:
a) reference to EN 16511 for semi-rigid modular mechanical locked floor coverings (MMF) added in the scope;
b) in 3.2 definition of top layer thickness added;
c) in 3.3 new definition of the substrate including minimum wood content of the substrate;
d) in 3.4 new definition of wood-based panels added;
e) in 3.5 new definition of wood-based product added;
f) new definitions of surface finishes in 3.12 to 3.15 introduced;
g) in 3.16 new definition of underlay added;
h) new definition for maintenance, reparation, renovation and refurbishment in 3.17 – 3.20 introduced;
i) in 4.2. explanation regarding creaking added;
j) in Table 1 thickness tolerance for elements with pre-attached underlays added and test method added as 4.6 and 5.2;
k) in table 1 requirements for internal bond deleted;
l) in Table 1 delamination test of top layer with requirements included;
m) distinction between general classification requirements in Table 2 and classification requirements for coated and printed surfaces in Table 3 introduced;
n) requirements on Brinell hardness in table 2 modified;
o) in Table 2 requirements for thickness swelling modified;
p) resistance to chemical agents introduced as general classification requirement in Table 2 for non-film forming coatings and classification requirement in Table 3 for film-forming coatings added;
q) abrasion resistance in table 3 modified;
r) castor chair resistance in table 3 added;
s) in Table 3 micro scratch resistance introduced as classification requirement for coated and printed surfaces;
t) additional requirements as new table 4 added;
u) new chapter 7 with measures to extend the lifespan added;
v) Chapter 9 test report modified;
w) Annex A integration of measurement of thickness with pre-attached underlay;
x) Normative references in Annex C modified;
y) Annex G “Complementary properties moved to table 4 and Annex H "Guide for evaluation of conformity of product quality" deleted;
z) new annex G Topical moisture resistance – Assembled joint added.
Comment on proposal
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