房检牵引出的问题，Unvented (Spray Foam) Attic ？# Living
e*r
1 楼
房检了个百年老房，阁楼今年刚装修过。inspector 说这屋顶只有ridge vent不够排
气.我们把问题丢给了屋主，屋主找了之前的contract询问，他们的回复是用了比较新
的技术
The insulation was installed as required by code section 101.4.3 to an R-34
open cell (which is a full cavity in a 2X8)
The enclosed envelope is a very common practice in the building industry
which had been around for over 4 years. It is most commonly referred to as a
hot roof. The best example of a hot roof is a typical box retailer like
lowe’s. These buildings have 6-8” of foam on the flat roof deck.
Here is a link to a site for some better information.
http://www.greenbuildingadvisor.com/green-basics/vented-or-unve
我们在网上做了些research,也没找到太多异议，普遍看到反映比较节能。将问题继续
丢给inspector，希望他能确定一下。结果，他还是坚持自己的意见。这边这方面的专
业人才比较多，想听听大家的意见。
我们在的地区是半年冬天的美国东北部。
气.我们把问题丢给了屋主，屋主找了之前的contract询问，他们的回复是用了比较新
的技术
The insulation was installed as required by code section 101.4.3 to an R-34
open cell (which is a full cavity in a 2X8)
The enclosed envelope is a very common practice in the building industry
which had been around for over 4 years. It is most commonly referred to as a
hot roof. The best example of a hot roof is a typical box retailer like
lowe’s. These buildings have 6-8” of foam on the flat roof deck.
Here is a link to a site for some better information.
http://www.greenbuildingadvisor.com/green-basics/vented-or-unve
我们在网上做了些research,也没找到太多异议，普遍看到反映比较节能。将问题继续
丢给inspector，希望他能确定一下。结果，他还是坚持自己的意见。这边这方面的专
业人才比较多，想听听大家的意见。
我们在的地区是半年冬天的美国东北部。
