File:Drywall firestop problem2.jpg
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| Description | This is code violation waiting to happen. The drywall is required to have a fire-resistance rating. The plumber is there before the drywaller. He follows a firestop specification by the mechanical engineer and hangs a steel sleeve in place, thus creating a round hole for the pipe (penetrant) to traverse. This is utterly wrong. The sleeve is but another penetrant. In this case, it is also a considerable heatsink, which will carry more heat through to the unexposed side. To avoid the problem, a Section 07840 Firestop specification could have been used, to regulate the forming of openings to enable proper bounding, whereby one speciality firestop sub-contractor seals all through-penetrations and building joints in one sub-contract to the general contractor. As it is, this opening shown here is very difficult to fix, especially the tight spaces between the drywall and the sleeve itself. |
| Date | |
| Source | Own work |
| Author | Achim Hering |
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:05, 28 May 2007 | | 2,323 × 3,448 (735 KB) | Achim Hering (talk | contribs) | {{Information |Description=This is code violation waiting to happen. The drywall is required to have a fire-resistance rating. The plumber is there ''before'' the drywaller. He follows a firestop specification by the mechanical engineer and hangs |
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