{"product_id":"lever-extension-flush-bolt-with-bottom-fire-bolt-rockwood-557-x-19bfb","title":"Lever Extension Flush Bolt with Bottom Fire Bolt, Rockwood 557 X 19BFB","description":"\u003cp\u003eThe Rockwood 557 x 19BFB Lever Extension Flush Bolt with Bottom Fire Bolt is designed for select fire rated plastic and wood covered fire doors. This unit maintains door strength while providing a bottom fire bolt that eliminates the need for floor preparation.\u003c\/p\u003e\u003cp\u003eThe system accommodates slight door misalignment via an oversized fire bolt strike hole. When subjected to 230˚F, the plug and black plastic cover melt, allowing the bolt to project and lock the door leaves together.\u003c\/p\u003e\u003cp\u003eThe [19BFB] corner reinforcing plate is also available for purchase separately to maintain door strength.\u003c\/p\u003e","brand":"Rockwood","offers":[{"title":"Default Title","offer_id":53031070368033,"sku":"RKW-557-X-19BFB","price":37.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1489\/3857\/files\/AADSS1206524.jpg?v=1784148942","url":"https:\/\/www.doorware.com\/es\/products\/lever-extension-flush-bolt-with-bottom-fire-bolt-rockwood-557-x-19bfb","provider":"Doorware.com","version":"1.0","type":"link"}