{"product_id":"pemko-4131crl36-36-3-surface-mounted-automatic-door-bottom-with-epdm-clear-aluminum-finish","title":"Pemko 4131CRL36 36\" 3' Surface Mounted Automatic Door Bottom with EPDM Clear Aluminum Finish","description":"\u003cp\u003eThe 4131CRL36 automatic door bottom seals the gap under doors to block light, sound, and air infiltration. This surface-mounted unit activates when the door closes, lowering an EPDM sponge seal to create a tight barrier against the floor. \u003ca href=\"\/companies\/pemko\"\u003ePemko\u003c\/a\u003e designed this 36-inch unit for exterior doors and interior spaces where draft control matters most.\u003c\/p\u003e\n\n\u003cp\u003eThe clear anodized aluminum housing contains a spring-loaded mechanism that raises the seal when doors open and lowers it automatically upon closing. The sponge EPDM material compresses against uneven floor surfaces while maintaining its sealing properties over thousands of cycles. Installation hardware and end plates come included for direct mounting to door faces.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAnodized Aluminum with Sponge EPDM\u003c\/td\u003e\n\u003c\/tr\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\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eSurface Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eClear Anodized Aluminum\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 testing standards and UL 1784 air leakage requirements. It also complies with ANSI\/BHMA A156.22 gasketing standards and ASTM E283 air infiltration testing. For fire door applications, see \u003ca href=\"\/resources\/building-codes-standards\/fire-inspection-compliance\/ul-10c-fire-rated-doors\"\u003eUL 10C fire-rated door assemblies\u003c\/a\u003e for complete testing requirements. For broader code context, see \u003ca href=\"\/resources\/building-codes-standards\/emergency-life-safety\/nfpa-101\"\u003eNFPA 101 Life Safety Code\u003c\/a\u003e egress provisions.\u003c\/p\u003e","brand":"Pemko","offers":[{"title":"Each","offer_id":46754802729137,"sku":"4131CRL36","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/5269\/4961\/files\/0_c0a6cefe-a851-4da8-8921-ad281e18b339.webp?v=1775807361","url":"https:\/\/shop.usmadesupply.com\/products\/pemko-4131crl36-36-3-surface-mounted-automatic-door-bottom-with-epdm-clear-aluminum-finish","provider":"US Made Supply","version":"1.0","type":"link"}