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CEN/CLC/BT WG STAIR
Standardisation, Innovation and Research
CEN/CLC/BT WG STAIR BRIDGIT
Bridging gap between Research & Standardization
CEN/TC 93/WG 9
Attic stair/loft ladders
NA 005-09-86 AA
Stairs
CEN/TC 175/WG 37
Specific user requirements - Timber in stairs
NA 042-01-17 AA
Timber in flooring and stairs
NA 005-09-87 AA -dormant
Stairs with load-bearing bolts
NA 005-09-86-01 AK -dormant
Stairs working group (D-A-CH)
DIN EN 17823
Acoustic properties of building elements and of buildings - Laboratory measurement of the impact sound insulation of stairs and stair isolating elements; German version EN 17823:2024 + AC:2025
