Stanley F952 Fire Block Spray Foam – (2x12oz) Fire Rated Expanding Polyurethane Foam Sealant for Gap Filling & Sealing on Doors, Windows, Walls, Pipes & Joints – Indoor/Outdoor Straw Use | 2 Pack

Price: $24.99
(as of Oct 16, 2025 22:10:23 UTC – Details)

Protect critical areas of your home or job site with Stanley Fire Block Spray Foam – a fire-rated expanding polyurethane foam designed to fill, seal, and insulate gaps with superior efficiency. Whether you’re sealing around windows, doors, walls, joints, or pipes, this high-performance spray foam creates a strong and long-lasting barrier that helps slow the spread of fire and smoke through concealed spaces. Formulated with a moisture-cure mechanism, the foam expands to fill cavities up to 3 inches wide and adheres securely to most construction materials including wood, concrete, drywall, and metal. Its light red color ensures easy identification by inspectors during fire-blocking evaluations. This fire-resistant sealant is durable, paintable, and suitable for indoor and outdoor use, making it the ideal choice for HVAC, plumbing, and electrical applications. Equipped with a straw applicator for precise and convenient use, Stanley Fire Block Foam offers professional-grade results for both DIY users and contractors.
Product Dimensions ‏ : ‎ 3 x 6 x 8 inches; 1.94 Pounds
Item model number ‏ : ‎ 810125469961
Date First Available ‏ : ‎ April 7, 2025
Manufacturer ‏ : ‎ StanleyChem
ASIN ‏ : ‎ B0F3Y11QRM
Best Sellers Rank: #2,553 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #11 in Urethane Adhesives
Customer Reviews: 4.3 4.3 out of 5 stars 124 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

FIRE BLOCK SPRAY FOAM FOR ADVANCED SAFETY: Stanley Fire Block Foam delivers reliable flame resistance in concealed spaces, helping to slow the spread of fire and smoke between floors, walls, and framing structures.
MULTI-APPLICATION FOAM INSULATION: Ideal for sealing around windows, doors, wall gaps, pipes, and electrical penetrations in both residential and commercial settings. Perfect for renovation and new construction alike.
TEMPERATURE-OPTIMIZED PERFORMANCE: For best results, use the foam at an optimal canister temperature of 68°F. Can be applied in ambient temperatures ranging from 41°F to 86°F, ensuring flexibility in diverse job site conditions.
HIGH YIELD & EFFICIENT APPLICATION: Expands efficiently to fill gaps up to 3″, offering excellent coverage with minimal waste. Designed with a straw applicator for precise, user-friendly application. Complies with DIN 4102-1 B2 and UL 723 fire test standards (Flame Spread: 10, Smoke Developed: 15), providing confidence in code compliance and fire protection.
PAINTABLE, WATER-RESISTANT & UV-STABLE: Once cured, the foam becomes rigid and durable—offering strong resistance against water and UV exposure. The paintable surface blends easily into surrounding finishes for a clean, professional appearance.
Class-A Fire Rated for Enhanced Safety: STANLEY Fire Block offers superior fire resistance with a Class A fire rating, ensuring safer residential, commercial, and industrial applications. This UL-certified and ICC-approved product delivers enhanced protection and reliable performance across a wide range of environments.