{"title":"Aluminum Extrusions\/Doors","description":"","products":[{"product_id":"6-pack-2x2","title":"2X2 Flat Spline Aluminum Extrusion","description":"\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe National Screen Supply Flat Spline Groove Aluminum Patio Extrusion is a precision-engineered profile designed for professional screen enclosure systems. Featuring an integrated flat spline channel, this extrusion allows for fast, repeatable installation while delivering consistent screen tension and long-term retention.\u003c\/p\u003e\n\u003cp\u003eBuilt for fabricators, contractors, and supply yards, this profile combines structural framing and screen retention into a single component—reducing installation time while maintaining a clean, finished appearance.\u003c\/p\u003e\n\u003cp\u003eAs part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e, this extrusion is engineered to work seamlessly with National Screen Supply flat spline and screen products, ensuring proper fit, compression, and durability in real-world conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: Extruded Aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Type: Integrated Flat Spline Groove\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStock Length: 24' sticks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Design: Engineered for flat spline compression fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Designed for use with National Screen Supply Flat Spline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen Compatibility: Polyester and\/or Hybrid screen systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Patio enclosures, screen rooms, and aluminum framing systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion Resistance: Suitable for exterior use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFabrication: Cut, miter, and fasten using standard aluminum fabrication methods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold As: Pack of 6 (24 ft. per stick)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFreight: Ships via LTL due to length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLead Time: Normally ships within 3 business days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended System Pairing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor consistent installs and reduced field issues, this extrusion is designed to be used with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Flat Spline\u003c\/strong\u003e\u003cbr\u003eMatched to groove tolerances for proper compression and long-term retention.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Polyester Screen\u003c\/strong\u003e\u003cbr\u003eHigh durability, low stretch, and ideal for standard enclosure applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Hybrid Screen\u003c\/strong\u003e\u003cbr\u003eEnhanced strength and performance for higher-demand environments.\u003c\/p\u003e\n\u003cp\u003eUsing a matched system helps eliminate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproper spline fit or blowout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen sagging or uneven tension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation inconsistencies across projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e24' lengths require proper handling and transport considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolyester and Hybrid screens are recommended for best performance with this system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProper spline compression is critical to long-term retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnvironmental conditions may affect screen tension over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntended for use within the National Screen System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest Practice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the best fit, performance, and long-term durability, use National Screen Supply extrusions, flat spline, screen, and accessories together as part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e.\u003c\/p\u003e","brand":"National Screen Supply","offers":[{"title":"Black","offer_id":43124942700611,"sku":"1BL22","price":153.0,"currency_code":"USD","in_stock":true},{"title":"Bronze","offer_id":43124942733379,"sku":"1BZ22","price":153.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":43124942766147,"sku":"1WH22","price":153.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/5544\/0195\/files\/2x2.jpg?v=1775698420"},{"product_id":"2x1-open-back-flat-spline-aluminum-extrusion","title":"1\"x2\" Open Back Flat Spline Aluminum Extrusion","description":"\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe National Screen Supply 1\" x 2\" Flat Spline Aluminum Extrusion is a versatile structural framing profile designed for screen enclosure, patio, and screening applications. Featuring an integrated flat spline groove on the 1\" face, this extrusion provides secure screen retention while maintaining a clean, professional appearance.\u003c\/p\u003e\n\u003cp\u003eEngineered for durability and ease of fabrication, the 1\" x 2\" profile offers increased structural strength compared to smaller framing members, making it ideal for larger screen sections, openings, and reinforcement applications.\u003c\/p\u003e\n\u003cp\u003eAs part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e, this extrusion is engineered to work seamlessly with National Screen Supply flat spline and screen products, ensuring proper fit, compression, and long-term durability in exterior environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: Extruded Aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Size: 1\" x 2\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Type: Integrated Flat Spline Groove\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStock Length: 24' sticks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Location: 1\" face\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Design: Engineered for flat spline compression fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Designed for use with National Screen Supply Flat Spline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen Compatibility: Polyester and\/or Hybrid screen systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Patio enclosures, screen rooms, lanai systems, and aluminum framing projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion Resistance: Suitable for exterior use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFabrication: Cut, miter, and fasten using standard aluminum fabrication methods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold As: Pack of 10 (24 ft. per stick)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFreight: Ships via LTL due to length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLead Time: Normally ships within 3 business days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended System Pairing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor consistent installs and reduced field issues, this extrusion is designed to be used with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Flat Spline\u003c\/strong\u003e\u003cbr\u003eMatched to groove tolerances for proper compression and long-term retention.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Polyester Screen\u003c\/strong\u003e\u003cbr\u003eHigh durability, low stretch, and ideal for standard enclosure applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Hybrid Screen\u003c\/strong\u003e\u003cbr\u003eEnhanced strength and performance for higher-demand environments.\u003c\/p\u003e\n\u003cp\u003eUsing a matched system helps eliminate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproper spline fit or blowout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen sagging or uneven tension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation inconsistencies across projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e24' lengths require proper handling and transport considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolyester and Hybrid screens are recommended for best performance with this system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProper spline compression is critical to long-term retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnvironmental conditions may affect screen tension over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntended for use within the National Screen System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest Practice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the best fit, performance, and long-term durability, use National Screen Supply extrusions, flat spline, screen, and accessories together as part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e.\u003c\/p\u003e","brand":"National Screen Supply","offers":[{"title":"White","offer_id":43384647450691,"sku":"1WH12","price":88.0,"currency_code":"USD","in_stock":true},{"title":"Bronze","offer_id":43384647483459,"sku":"1BZ12","price":88.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":43384647516227,"sku":"1BL12","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/5544\/0195\/files\/MagScreens-black_1x2_9131c954-0b27-4298-906f-cf6eb203cbcb.png?v=1781278012"},{"product_id":"the-x-1-open-back-flat-spline-aluminum-extrusion","title":"The ½\" x 1\" Open Back Flat Spline Aluminum Extrusion","description":"\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe National Screen Supply ½\" x 1\" Open Back Flat Spline Aluminum Extrusion is a lightweight, versatile framing profile designed for screen enclosure, patio, and screening applications. Featuring an integrated flat spline groove on the ½\" face and an open-back design, this extrusion provides secure screen retention while allowing for efficient fabrication and installation.\u003c\/p\u003e\n\u003cp\u003eIts compact profile makes it ideal for screen panels, infill sections, and applications where a clean appearance and reliable screen retention are required without unnecessary bulk.\u003c\/p\u003e\n\u003cp\u003eAs part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e, this extrusion is engineered to work seamlessly with National Screen Supply flat spline and screen products, ensuring proper fit, compression, and long-term durability in exterior environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: Extruded Aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Size: ½\" x 1\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Type: Open Back Flat Spline Groove\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStock Length: 24' sticks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Location: ½\" face\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Design: Engineered for flat spline compression fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Designed for use with National Screen Supply Flat Spline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen Compatibility: Polyester and\/or Hybrid screen systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Screen panels, patio enclosures, screen rooms, and aluminum framing systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion Resistance: Suitable for exterior use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFabrication: Cut, miter, and fasten using standard aluminum fabrication methods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold As: Pack of 10 (24 ft. per stick)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFreight: Ships via LTL due to length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLead Time: Normally ships within 3 business days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended System Pairing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor consistent installs and reduced field issues, this extrusion is designed to be used with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Flat Spline\u003c\/strong\u003e\u003cbr\u003eMatched to groove tolerances for proper compression and long-term retention.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Polyester Screen\u003c\/strong\u003e\u003cbr\u003eHigh durability, low stretch, and ideal for standard enclosure applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Hybrid Screen\u003c\/strong\u003e\u003cbr\u003eEnhanced strength and performance for higher-demand environments.\u003c\/p\u003e\n\u003cp\u003eUsing a matched system helps eliminate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproper spline fit or blowout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen sagging or uneven tension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation inconsistencies across projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e24' lengths require proper handling and transport considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolyester and Hybrid screens are recommended for best performance with this system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProper spline compression is critical to long-term retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnvironmental conditions may affect screen tension over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntended for use within the National Screen System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest Practice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the best fit, performance, and long-term durability, use National Screen Supply extrusions, flat spline, screen, and accessories together as part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e.\u003c\/p\u003e","brand":"National Screen Supply","offers":[{"title":"Bronze","offer_id":43384920277059,"sku":"1BZ051","price":70.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":43384920309827,"sku":"1WH051","price":70.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":43384920342595,"sku":"1BL051","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/5544\/0195\/files\/MagScreens-white_.5x1.png?v=1781281679"},{"product_id":"x-x-open-back","title":"¾\"x ¼\" open Back Flat Spline Aluminum Extrusion","description":"\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe National Screen Supply ¾\" x ¼\" Open Back Flat Spline Aluminum Extrusion is an ultra-low-profile framing solution designed for screen installations where space is limited or a minimal visual footprint is desired. Featuring an integrated flat spline groove on the ¾\" face and an open-back design, this extrusion provides secure screen retention while maintaining a clean, unobtrusive appearance.\u003c\/p\u003e\n\u003cp\u003eIts compact profile makes it an excellent choice for narrow framing applications, small screen sections, and installations along the edge of standard 2x4 lumber where larger extrusions may not be practical. The low-profile design helps create a finished look without sacrificing durability or screen retention performance.\u003c\/p\u003e\n\u003cp\u003eAs part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e, this extrusion is engineered to work seamlessly with National Screen Supply flat spline and screen products, ensuring proper fit, compression, and long-term durability in exterior environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: Extruded Aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Size: ¾\" x ¼\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfile Type: Open Back Flat Spline Groove\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStock Length: 21' sticks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Location: ¾\" face\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGroove Design: Engineered for flat spline compression fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Designed for use with National Screen Supply Flat Spline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen Compatibility: Polyester and\/or Hybrid screen systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Small screen sections, narrow framing areas, 2x4 lumber applications, patio enclosures, and screen rooms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion Resistance: Suitable for exterior use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFabrication: Cut, miter, and fasten using standard aluminum fabrication methods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold As: Pack of 10 (21 ft. per stick)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFreight: Ships via LTL due to length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLead Time: Normally ships within 3 business days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended System Pairing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor consistent installs and reduced field issues, this extrusion is designed to be used with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Flat Spline\u003c\/strong\u003e\u003cbr\u003eMatched to groove tolerances for proper compression and long-term retention.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Polyester Screen\u003c\/strong\u003e\u003cbr\u003eHigh durability, low stretch, and ideal for standard enclosure applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Hybrid Screen\u003c\/strong\u003e\u003cbr\u003eEnhanced strength and performance for higher-demand environments.\u003c\/p\u003e\n\u003cp\u003eUsing a matched system helps eliminate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproper spline fit or blowout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen sagging or uneven tension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation inconsistencies across projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e21' lengths require proper handling and transport considerations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for tight spaces and low-profile screen applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommonly used on the edge of standard 2x4 lumber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolyester and Hybrid screens are recommended for best performance with this system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProper spline compression is critical to long-term retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnvironmental conditions may affect screen tension over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntended for use within the National Screen System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest Practice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the best fit, performance, and long-term durability, use National Screen Supply extrusions, flat spline, screen, and accessories together as part of the \u003cstrong\u003eNational Screen System\u003c\/strong\u003e.\u003c\/p\u003e","brand":"National Screen Supply","offers":[{"title":"White","offer_id":43385095782467,"sku":"1WH7525","price":25.0,"currency_code":"USD","in_stock":true},{"title":"Bronze","offer_id":43385095815235,"sku":"1BZ7525","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/5544\/0195\/files\/MagScreens-white_.25x.75.png?v=1781282850"},{"product_id":"36-screen-door-kit","title":"36\" Screen Door Kit","description":"\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe National Screen Supply 36\" Screen Door Kit provides everything needed to build a durable, professional-quality screen door for patio enclosures, screen rooms, and porch applications. 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Simply add National Screen Supply Flat Spline and screen mesh to complete the installation.\u003c\/p\u003e\n\u003cp\u003eAvailable in Black, Bronze, and White to match your screen enclosure or framing system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Type: Screen Door Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoor Width: 36\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConstruction: Aluminum Frame System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen Retention: Designed for use with National Screen Supply Flat Spline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen Compatibility: Polyester and Hybrid screen systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Screen rooms, patio enclosures, porches, and outdoor living spaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion Resistance: Suitable for exterior use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAluminum door frame components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutswing door closer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBug sweep\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoor hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAssembly components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFlat spline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen mesh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Info\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold As: Complete door kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable Colors: Black, Bronze, and White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFreight: Ships via parcel or LTL depending on order quantity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLead Time: Normally ships within 3 business days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended System Pairing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor consistent installs and professional results, this door kit is designed to be used with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Flat Spline\u003c\/strong\u003e\u003cbr\u003eProvides secure screen retention and long-term durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Polyester Screen\u003c\/strong\u003e\u003cbr\u003eHigh durability, low stretch, and ideal for standard enclosure applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNational Screen Supply Hybrid Screen\u003c\/strong\u003e\u003cbr\u003eEnhanced strength and performance for higher-demand environments.\u003c\/p\u003e\n\u003cp\u003eUsing a matched system helps eliminate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproper spline fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScreen sagging or loose installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePremature screen wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation inconsistencies across 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