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For indoor air quality, CLT has been tested to determine the level % }/ I8 _% a; Kand safety of the off gassing it produces. CLT glue lines were tested for ; e0 u$ S8 D( ]volatile organic compounds (VOCs), including formaldehyde emissions.! @5 k( Z( w# t/ f J) s( Z6 i
The VOCs as measured in a series of tests were found to be roughly one / t/ Z/ |6 F2 q1 G. \& gparts per billion (ppb), well under the standard of 50 ppb deemed to be2 z l7 D, L9 w* \" |
a health hazard.9 S+ ^ W: q# ?# k% H0 @0 m8 n
石工 发表于 2016-6-2 15:293 u% V0 [0 m/ ^' x& q G- {0 ]
For indoor air quality, CLT has been tested to determine the level 3 F: N1 \- N, O0 }$ Rand safety of the off gassing i ...
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CLT肯定是符合标准的,我只是对现行标准不大放心。treated wood在当年也是符合标准的。
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见过一个游泳池的房顶梁用这种材料做然后靠墙的部分全部腐烂了。好像是水蒸汽在棚顶凝结然后流倒最底初聚集,从而腐烂低处。。所以我看,这种材料不像他们所宣称的那样。不过到是看到很多新建的游泳馆都在用这种材料。估计以后会出大问题的,那天塌了死几个人,人们才会禁止使用这种材料在可能集水的地方。
S+ `) J# K. l见过一个游泳池的房顶梁用这种材料做然后靠墙的部分全部腐烂了。好像是水蒸汽在棚顶凝结然后流倒最底初聚集,从而腐烂低处。。所以我看,这种材料不像他们所宣称的那样。不过到是看到很多新建的游泳馆都在用这种材料。估计以后会出大问题的,那天塌了死几个人,人们才会禁止使用这种材料在可能集水的地方。
石工 发表于 2016-6-3 05:29 * d& f% H2 b# {; `9 D& Q7 ]For indoor air quality, CLT has been tested to determine the level0 t5 ]" s7 K, t; k6 f. _$ N6 w
and safety of the off gassing i ...