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Metacaulk® Firestop Pillows are intumescent and designed for use primarily in large temporary or frequently accessed openings with cables, cable trays, blank openings or multiple penetrating items. In the event of a fire, Metacaulk® Firestop Pillows will prevent the spread of flames and hot gases through the openings.
- UL Classified systems up to 4 hours • Easy to install / No tools required
- Cost effective - Reusable
- Forms a very strong char
- No wire mesh required in most installations
- Two sizes
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