Ratings & Reviews for 3M Fire Barrier Sealant CP 25WB+ 10.1-oz Exterior and Specialty Red Paintable Latex Caulk

What Customers Are Saying

Customers overwhelmingly praise this fire barrier caulk for its effectiveness in preventing fire spread and meeting code requirements. Most highlight its UL 4-hour fire rating, reliable performance sealing penetrations around pipes and wiring, and consistent inspection approval. Many appreciate the smooth application with a strong caulking gun and easy water cleanup without strong odors. The product's pliable texture works well in tight joints. Some report difficulty dispensing due to thickness, and a few note the red color can stain woodwork or find tubes occasionally jam. Despite minor application challenges, most customers trust its reliability and recommend it for fire safety applications.