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The NZBC has a functional requirement of impervious surfaces to prevent illness, injury or damage through accumulation of moisture, or damage caused by free water penetration.
Internal hardwood flooring products and systems need to help make the building they are installed in; safe, durable and fit for purpose.
Impervious: That which does not allow the passage of moisture.
NZWTA Textiles and Materials can test your hard flooring products to the ISO 4760 Laminate flooring – Topical moisture resistance standard.
Passing this test Offers an alternative solution to gain compliance to the New Zealand building Code clause requiring buildings to be constructed to avoid fungal growth and excessive moisture.
ISO 4760 Laminate flooring – Topical moisture resistance standard.
ISO 24342:2018 – Resilient and Textile Floor Coverings – Determination of Side Length, Edge Straightness & Squareness of Tiles
ISO 23999:2018 – Resilient Floor Coverings –Determination of Dimensional Stability & Curling After Exposure to Heat
ISO 2551:2020 – Textile Floor Coverings and Textile Floor Covering in Tile Form – Determination of Dimensional Changes Due to the Effects of Varied Water & Heat Conditions & Distortion Out of Plane
BS 4682-2:1988 – Methods for Dimensional Stability of Textile Floor Coverings – Determination of Dimensional Changes Due to Changes in Ambient Humidity
BS 4682-3:1981(Inactive) – Methods for Dimensional Stability of Textile Floor Coverings – Determination of Dimensional Changes After Exposure to Heat
BS 4682-4:1981 – Methods for Dimensional Stability of Textile Floor Coverings – Determination of Dimensional Changes Due to Changes After Immersion in Water
Request a Carpet or Flooring Test via the online form here or email the team directly at textiles@nzwta.co.nz for more information.
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