{"product_id":"3m-fire-barrier-block-b258","title":"3M Fire Barrier Block B258","description":"\u003ch2\u003e3M Fire Barrier Block B258 – Firestop Solutions for Electrical and Construction Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe 3M Fire Barrier Block B258 is an intumescent firestop foam product designed for use in firestopping through-penetration openings in walls and floors. It is manufactured by 3M and intended for use by electrical distributors, lighting solutions providers, wire and cable installers, and switchgear suppliers to maintain fire resistance in penetrations involving cables, pipes, and other building services. The product comes in maroon-colored polyurethane foam blocks that expand when exposed to heat to seal openings and prevent the passage of fire and smoke.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct Name: 3M Fire Barrier Block B258\u003c\/li\u003e\n  \u003cli\u003eManufacturer: 3M\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: B258\u003c\/li\u003e\n  \u003cli\u003ePhysical Form: Solid foam block\u003c\/li\u003e\n  \u003cli\u003eColor: Maroon\u003c\/li\u003e\n  \u003cli\u003eMaterial Composition: Polyurethane Foam (80-95% by weight), Graphite (5-20% by weight)\u003c\/li\u003e\n  \u003cli\u003eProduct Weight: 14.78 lbs\u003c\/li\u003e\n  \u003cli\u003eVOC Content: 0 g\/l (Less H2O \u0026amp; Exempt Solvents)\u003c\/li\u003e\n  \u003cli\u003eFlammability Classification: Not classified as flammable solid\u003c\/li\u003e\n  \u003cli\u003eSolubility in Water: Nil\u003c\/li\u003e\n  \u003cli\u003eHazard Classification: Exempt from OSHA Hazard Communication Standard\u003c\/li\u003e\n  \u003cli\u003eUPC: 076308979393\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIntumescent foam expands under fire conditions to seal openings effectively\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit through-penetration openings in walls and floors with 5 in. (130 mm) dimension projecting through opening\u003c\/li\u003e\n  \u003cli\u003eBlocks\/planks can be resized in the field while maintaining firestop integrity\u003c\/li\u003e\n  \u003cli\u003eCompatible with 3M Fire Barrier Rated Foam FIP 1-Step for filling voids and interstices\u003c\/li\u003e\n  \u003cli\u003eNon-reactive and stable under normal use conditions\u003c\/li\u003e\n  \u003cli\u003eExempt from hazardous chemical release under normal use\u003c\/li\u003e\n  \u003cli\u003eEasy to install and remove for maintenance or reconfiguration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads \u0026amp; Links\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/3M\/2018q1\/5d5661d4d9d10c5d49dc1369914d7c55d07daeb9.mp4?did=4169\u0026amp;pid=2716199\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e3M‚Ñ¢ Fire Barrier Block, Plugs, Plank Installation and Fire Test ¬†(MP4,¬†355.4MB)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/3M\/2018q1\/ca6c5be69d214517188bad916b9332cd3b5b8bbc.pdf?did=4169\u0026amp;pid=2716199\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e3M‚Ñ¢ Fire Barrier Maroon Block, Plug and Plank ¬†(PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/3M\/2018q1\/6f2d2e0c8b985875b5a3e7ad66dd3a2e3a86a2ec.pdf?did=4169\u0026amp;pid=2716199\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e3M Fire Protection Products Specifiers Guide ¬†(PDF,¬†106.3MB)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/3M\/2018q1\/6923766893dad8203f0f6201fb38a434f3c2b2f4.pdf?did=4169\u0026amp;pid=2716199\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e3M‚Ñ¢ Fire Barrier Blocks Plugs Planks Installation Guide ¬†(PDF,¬†252.1KB)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/3M\/2018q1\/94ba375824bc4e6f086d0b405a780b82e19117a1.pdf?did=4169\u0026amp;pid=2716199\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e3M‚Ñ¢ Fire Barrier Blocks Plugs Planks Technical Data Sheet ¬†(PDF,¬†77.5KB)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/3M\/2018q1\/d55280a4f4aa6fcb8f263f7e4bdb9c9fe49c9220.pdf?did=4169\u0026amp;pid=2716199\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e3M‚Ñ¢ Fire Barrier Blocks Plugs Planks Flyer ¬†(PDF,¬†2.3MB)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":48743853457663,"sku":"12901","price":41.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/5868\/6463\/files\/aaa82a6492a107bbc9b00da25c7315e21b66ee4a-large.png?v=1782465642","url":"https:\/\/hunkshome.com\/products\/3m-fire-barrier-block-b258","provider":"HunksHome®","version":"1.0","type":"link"}