Dupont mississauga 1986 how joint



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Description Head-Of-Wall Building Joint at Dupont Canada Headquarters in Mississauga, Ontario, Canada, with incomplete firestop made of rockwool packing and hard-curing ceramic-fibre firestop caulking. This caulking cures to a hard and brittle, inorganic, ionically bound crystal lattice solid, that is incapable of following any joint motion. It has superb fire-resistance (ceramic fibre is a common refractory material), which is great provided that the motion does not crush it before it ever sees a fire. At the time this was installed, no motion test existed for firestops. The picture also shows insulated and bare piping as well as some wiring.
Date 1986(1986)
Source Own work
Author Achim Hering


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