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首页> 外文期刊>Journal of Architectural Engineering >Recovery Roofing Over Wet Substrate
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Recovery Roofing Over Wet Substrate

机译：湿基材上的回收屋顶

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摘要

When considering options for the remediation of a leaking roof, three primary choices are typically considered: repairs, recovery, or reroofing. If the deterioration or damage to the existing membrane is too extensive and the cost of a full reroof is too high, recovery roof options may present a viable alternative. Four key criteria should be considered when examining recovery roof options:rn1. The remaining original roof system must be well secured to the substrate.rn2. The underlying deck must be sound and well attached to the structure.rn3. No previous recovery roof systems must remain beneath the existing membrane.rn4. The materials left in place beneath the recovery system must be dry, or some allowance must be made for the transmission of entrapped moisture to the exterior.rn5. Although not discussed in detail in this article, the minimum requirements for the proper amount of above-deck insulation to achieve the minimum R-value as required by the International Building Code (IBC) would also need to be thoroughly examined.rnIn many cases, the first three criteria can be easily met, but due to recent code revisions, the attachment criteria are sometimes a challenge to comply with in today's market. Invariably, the question of whether or not to recover comes down to the question of how wet is the substrate.
机译：在考虑补救漏水屋顶的选项时，通常会考虑三个主要选择：维修，恢复或屋顶加固。如果对现有膜的损坏或破坏过于广泛，而全面屋顶的成本过高，则可以选择屋顶复盖方案。在检查回收屋顶选项时，应考虑四个关键标准：rn1。其余的原始屋顶系统必须牢固地固定在基材上。底层甲板必须稳固并牢固地固定在结构上。以前的回收屋顶系统不得保留在现有膜下方。rn4。回收系统下方留在原处的材料必须干燥，或者必须留有余地，以将夹带的水分传输到外部。尽管本文中没有详细讨论，但是还需要彻底检查为达到国际建筑规范（IBC）要求的最低R值而需要的适当的甲板上绝热材料的最低要求。前三个标准很容易满足，但是由于最近的代码修订，附件标准有时在当今市场上很难满足。通常，是否要回收的问题归结为基材有多湿的问题。

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