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http://www.consumerbuild.org.nz/publish/leaky/leaky-timber.php
楼主看看 上面的 连接,
再看看下面的 time line 吧。 1995 -2004 年间 建的房子都有可能是 untreated timber。
Sept 1995 NZS 3602 amended to allow for kiln-dried untreated timber (KDUT) provided in situ moisture range is 18% or less (alternative solution at this stage).
Dec 2003 NZS 3640 amended to include the new levels of timber treatment - H1.1, H1.2, H3.1, H3.2
April 2004 Part 1 of NZS 3602: 2003 'Mandatory Requirements for Compliance with the Durability Provisions of Clause B2 of the New Zealand Building Code' becomes an Acceptable Solution after being referenced in B2/AS1. (Cavity system) The previous Acceptable Solution, Part 1 of NZS 3602: 1995 (which allowed KDUT), continues to apply as an Acceptable Solution until 31 March 2005. |
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