3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, re-enterable, intumescent putty that can be easily formed to firestop through penetrations and blank openings in fire-rated assemblies. We formulated this dark red, easily moldable putty stick to provide up to 4 hours of fire protection. These putty stix also produce a draft and cold smoke seal and help reduce noise transfer.
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Brand
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3M™
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Fire Rating
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4 hr
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Overall Length (Metric)
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279 mm
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Overall Width (Metric)
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36 mm, 36.83 mm
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Product Type
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Putty Stick
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Smoke Seal
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Yes
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Water-tight
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No
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