{"product_id":"pemko-4301dpkl36-36-3-x-1-25-32-automatic-door-bottom-with-pemkoprene-dark-bronze-anodized-aluminum-finish","title":"Pemko 4301DPKL36 36\" 3' x 1-25\/32\" Automatic Door Bottom with PemkoPrene Dark Bronze Anodized Aluminum Finish","description":"\u003cp\u003eThe 4301DPKL36 automatic door bottom installs on the bottom rail of doors to seal the gap between door and floor. This heavy-duty drop-down seal prevents air, smoke, sound, and moisture infiltration when the door closes. \u003ca href=\"\/companies\/pemko\"\u003ePemko\u003c\/a\u003e designed this 36-inch unit for commercial and institutional applications where energy efficiency and fire-life safety compliance matter.\u003c\/p\u003e\n\n\u003cp\u003eThe semi-mortise mounting design works on most door types. The PemkoPrene seal drops automatically when the door closes, creating a tight barrier against drafts and contaminants. Dark bronze anodized aluminum construction provides corrosion resistance and matches common hardware finishes. Surface or semi-mortise installation gives you flexibility on different door configurations.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e36 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e1-25\/32 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAnodized Aluminum with PemkoPrene Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eDark Bronze Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eSemi-Mortise\/Surface Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e5 Years Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThis door bottom meets UL 10C fire door assembly standards and UL 1784 air leakage requirements. ANSI\/BHMA A156.22 door gasketing compliance and ASTM E283 air infiltration testing ensure code compliance. GREENGUARD Gold certification confirms low chemical emissions for indoor air quality.\u003c\/p\u003e\n\n\u003cp\u003eFire-rated door assemblies require proper gasketing to maintain their \u003ca href=\"\/resources\/building-codes-standards\/fire-inspection-compliance\/ul-10c-fire-rated-doors\"\u003eUL 10C listing\u003c\/a\u003e during annual inspections. For complete egress door compliance in assembly occupancies, review \u003ca href=\"\/resources\/building-codes-standards\/emergency-life-safety\/nfpa-101\"\u003eNFPA 101 Life Safety Code\u003c\/a\u003e requirements that work alongside proper door sealing systems.\u003c\/p\u003e","brand":"Pemko","offers":[{"title":"Each","offer_id":46754801582257,"sku":"4301DPKL36","price":155.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/5269\/4961\/files\/0_8647024a-20ef-4cf7-9705-9dd0f2831812.webp?v=1775807118","url":"https:\/\/shop.usmadesupply.com\/products\/pemko-4301dpkl36-36-3-x-1-25-32-automatic-door-bottom-with-pemkoprene-dark-bronze-anodized-aluminum-finish","provider":"US Made Supply","version":"1.0","type":"link"}