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...ntial char, with a quantifiable expansion [[pressure]]. In the case of the firestops, a melting, burning plastic pipe must be squeezed together and shut so that ...he test of [[time]] against various environmental exposures. DIBt approved firestops and [[fireproofing]] materials are available in [[Canada]] and the [[United

[[Category:Firestops]]

* Drill holes in wall with hole saw, taking firestops, plumbing pipes, and other obstructions into account. It may be desirable t

...re past the limits of the [[fire safety plan]] of the entire [[building]]. Firestops are designed to restore the [[fire-resistance rating]]s of rated wall and/o * Re-entries of existing firestops

Image:Drywall_reality.jpg|Improper drywall and absent firestops ...rywall.jpg|The "I-was-there-first" scenario, resulting in improper drywall firestops with plastic [[piping]].

| products = Power Tools, firestops ...the professional end-user. It concentrates primarily on [[hammer drill]]s, firestops, and installation systems, but manufactures and markets an array of tools (