{"product_id":"sti-ep44-specseal-ep-powershield-electrical-box-insert-3-3-4-inches-x-3-3-4-inches-x-1-8-inches","title":"Sti EP44 SpecSeal EP Powershield Electrical Box Insert 3-3\/4 inches x 3-3\/4 inches x 1\/8 inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe STI EP44 SpecSeal EP Powershield Electrical Box Inserts are high-performance intumescent firestop inserts designed for direct installation against the back of steel electrical boxes. These inserts provide a reliable method for enhancing fire resistance at electrical box penetrations in fire-rated wall assemblies. Ideal for commercial, multifamily, and institutional applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEasy to install in the field or in the shop\u003c\/li\u003e\n  \u003cli\u003eNo mess, no residue, no clean-up required\u003c\/li\u003e\n  \u003cli\u003eRapid expansion - quickly seals off the passage of fire and smoke\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eEnhance fire resistance with easy-to-install SpecSeal EP Powershield Inserts, perfect for new or existing electrical boxes.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: STI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: EP44\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansion Begins\u003c\/strong\u003e: 350\t\tF (177\t\tC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansion Range\u003c\/strong\u003e: 350\t\tF (177\t\tC) to greater than 1,000\t\tF (538\t\tC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolume Expansion\u003c\/strong\u003e: 16x to 24x (free expansion)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIn Service Temperature\u003c\/strong\u003e: Less than 130\t\tF (54\t\tC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: Less than 130\t\tF (54\t\tC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOven Aging\u003c\/strong\u003e: No Change (60\t\tC)*\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity Exposure\u003c\/strong\u003e: No Change (60\t\tC, 98% R.H.)*\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTC Rating (ASTM E 90-04)\u003c\/strong\u003e: 64 (Relates to specific construction)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShelf Life\u003c\/strong\u003e: No Limit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth\u003c\/strong\u003e: 1\/8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Fire Stop, Putty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 3 3\/4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 3 3\/4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRange\u003c\/strong\u003e: 2 hr\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: STI Firestop\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel (SKU)\u003c\/strong\u003e: EP44\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"STI","offers":[{"title":"Default Title","offer_id":51150439448882,"sku":"EP44","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305973506.webp?v=1778612185","url":"https:\/\/voomisupply.com\/products\/sti-ep44-specseal-ep-powershield-electrical-box-insert-3-3-4-inches-x-3-3-4-inches-x-1-8-inches","provider":"Voomi Supply","version":"1.0","type":"link"}