{"product_id":"pemko-315cn48-48-4-door-bottom-sweep-with-7-16-neoprene-clear-aluminum-finish","title":"Pemko 315CN48 48\" 4' Door Bottom Sweep with 7\/16\" Neoprene Clear Aluminum Finish","description":"\u003cp\u003eThe 315CN48 is a surface-mounted door bottom sweep that seals gaps between doors and thresholds or floor surfaces. This 48-inch sweep installs on commercial and institutional doors to prevent air infiltration, smoke passage, and energy loss. \u003ca href=\"\/companies\/pemko\"\u003ePemko\u003c\/a\u003e designed the 315 Series with a 1.25-inch aluminum casing and neoprene extrusion to handle fire-rated and smoke control applications.\u003c\/p\u003e\n\n\u003cp\u003eThe clear anodized aluminum finish resists corrosion while the 7\/16-inch neoprene seal compresses against floor surfaces to block air gaps. Color-coordinated mounting screws come included for straightforward installation on door bottoms. This sweep works on both fire doors requiring \u003ca href=\"\/resources\/building-codes-standards\/fire-inspection-compliance\/ul-10c-fire-rated-doors\"\u003eUL 10C positive pressure testing\u003c\/a\u003e and standard commercial doors needing weatherization.\u003c\/p\u003e\n\n\u003cp\u003eBuilding managers use door bottom sweeps like this to maintain proper building pressurization and reduce HVAC costs. The neoprene material maintains flexibility across temperature ranges while creating consistent contact with thresholds. For facilities managing multiple door types and egress requirements, see \u003ca href=\"\/resources\/building-codes-standards\/emergency-life-safety\/nfpa-101\"\u003eNFPA 101 Life Safety Code\u003c\/a\u003e guidance on door assembly specifications.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eClear Anodized Aluminum with Neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e48 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeal Height\u003c\/th\u003e\n\u003ctd\u003e7\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasing Width\u003c\/th\u003e\n\u003ctd\u003e1.25 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eSurface mount with screws included\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 sweep meets UL 10C fire door assembly standards, UL 1784 air leakage requirements, ASTM E283 air infiltration testing, and ANSI\/BHMA A156.22 door gasketing specifications. GREENGUARD Gold certification confirms low chemical emissions for indoor air quality.\u003c\/p\u003e","brand":"Pemko","offers":[{"title":"Each","offer_id":46754811773105,"sku":"315CN48","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/5269\/4961\/files\/0_66f82b50-f827-4470-ac46-9b7094f4962b.webp?v=1775808460","url":"https:\/\/shop.usmadesupply.com\/products\/pemko-315cn48-48-4-door-bottom-sweep-with-7-16-neoprene-clear-aluminum-finish","provider":"US Made Supply","version":"1.0","type":"link"}