File:Shaft dupont mississauga on.jpg

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Description Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic fibre-based firestop caulking on top of rockwool. The picture illustrates that building joints are routinely penetrated by mechanical and electrical penetrants or services, requiring joint firestops to be compatible with mechanical, electrical and structural penetrants, both in fire testing and under common operational conditions, such as expansion and contraction of mechanical systems due to temperature changes.
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Author Achim Hering
Other versions العربيَّة

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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current04:04, 28 April 2007Thumbnail for version as of 04:04, 28 April 20074,875 × 3,540 (1.47 MB)Achim Hering (talk | contribs){{Information |Description=Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic fibre-base

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