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Firecode® Brand Intumescent Acrylic Firestop Sealant Type IA is usually applied with a caulk gun. Type IA materials greatly expand when exposed to high temperatures. Type IA is used when the integrity of penetrants is compromised by high temperature, such as in PVC (plastic) pipe or some insulated pipes.
Refer to USG Firestop Systems folder, SA727, for information on the systems offered for fire protection of through-penetrations and head-of-wall construction joints using these products.