{"product_id":"thermally-broken-aluminum-sill-extrusion","title":"Thermally-Broken Aluminum Sill Extrusion","description":"\u003ch2\u003eThermally-Broken Aluminum Sill Extrusion\u003c\/h2\u003e\u003cp\u003eThis proprietary \u003cstrong\u003e6063-T5 aluminum sill extrusion\u003c\/strong\u003e incorporates a factory-installed \u003cstrong\u003epolyamide thermal break strut\u003c\/strong\u003e to interrupt the conductive aluminum path between interior and exterior sill faces — reducing condensation risk and thermal bridging at the critical sill condition where water management is most demanding. Designed for use across the full \u003cstrong\u003eBlomberg T450N and T600N system line\u003c\/strong\u003e, it is the sill extrusion that the system was engineered around.\u003c\/p\u003e\u003cp\u003eThe extrusion features a \u003cstrong\u003esloped exterior face for positive drainage\u003c\/strong\u003e, an \u003cstrong\u003eintegrated weep slot pattern at 12\" centers\u003c\/strong\u003e for reliable water evacuation, and a \u003cstrong\u003esnap-in flush sill cover\/threshold trim channel\u003c\/strong\u003e for a finished interior appearance. Available in standard \u003cstrong\u003e6', 8', and 12' lengths\u003c\/strong\u003e with Class 1 anodize in any standard RAL color — factory-cut to project length on request.\u003c\/p\u003e\u003cp\u003eAt a Santa Barbara coastal residence, it's the sill extrusion that keeps the water out, the heat in, and the interior floor finish dry — year after year, storm after storm.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eStudio View — 24\" Isometric Section with Callout Labels\u003c\/h3\u003e\u003cimg src=\"generation:\/\/906fcc69-2fe0-4bde-b14b-c4a8e8f03f51\" alt=\"24-inch cut section of thermally-broken aluminum sill extrusion in isometric view on white background with polyamide thermal break strut, weep slots, and cover channel labeled by callout lines\" style=\"width:100%;max-width:900px;\"\u003e\u003cp\u003e\u003cem\u003eA 24\" cut section of the sill extrusion in isometric view, with callout lines labeling the polyamide thermal break strut, the weep slots at 12\" centers along the exterior face, and the snap-in flush sill cover channel at the top. The sloped exterior drainage face is visible in the extrusion profile.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eInstallation — Santa Barbara Luxury Residential Construction Site\u003c\/h3\u003e\u003cimg src=\"generation:\/\/0582e456-5390-429b-a1a0-b1c61c86a3dd\" alt=\"Blomberg-certified glazing contractor installing thermally-broken aluminum sill extrusion into first-floor T450N rough opening at luxury Santa Barbara modern residential construction site with Pacific coastal landscape\" style=\"width:100%;max-width:900px;\"\u003e\u003cp\u003e\u003cem\u003eA Blomberg-certified glazing contractor installing the sill extrusion into a first-floor T450N rough opening at a luxury Santa Barbara modern residence. The stucco framing surrounds the opening, and the Pacific coastal landscape stretches beyond the open wall — the kind of project where the sill extrusion has to perform as well as the view.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePolyamide Thermal Break Cross-Section — Magnification Detail\u003c\/h3\u003e\u003cimg src=\"generation:\/\/16b190d0-a30c-4f2a-b07e-ad468d48a7c6\" alt=\"Close-up of polyamide thermal break strut in sill extrusion cross-section under magnification showing precision polyamide insert bonded to aluminum flanges and thermal isolation gap\" style=\"width:100%;max-width:900px;\"\u003e\u003cp\u003e\u003cem\u003eThe polyamide thermal break strut in the sill extrusion cross-section under magnification, showing the precision polyamide insert bonded to the aluminum flanges on both sides and the thermal isolation gap between interior and exterior aluminum faces. The polyamide insert is the engineering core of the sill's thermal performance — the same material and bonding process used in the T450N and T600N sash and frame profiles.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#1a1a1a;color:#ffffff;\"\u003e\n\u003cth style=\"padding:10px 14px;text-align:left;border:1px solid #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding:10px 14px;text-align:left;border:1px solid #333;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eAlloy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e6063-T5 extruded aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eThermal Break Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003ePolyamide (PA66-GF25) thermal break strut — factory-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDrainage Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003eSloped exterior face for positive drainage; integrated weep slot pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeep Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e12\" (305 mm) on center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e6', 8', and 12' standard; factory-cut to project length on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFinish Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003eClass 1 architectural anodize; standard RAL powder coat available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border:1px solid #ddd;\"\u003eBlomberg T450N and T600N thermally-broken window-wall systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eTrim Channel:\u003c\/strong\u003e Snap-in flush sill cover\/threshold trim included  |  \u003cstrong\u003eManufacturing:\u003c\/strong\u003e Blomberg Windows, Sacramento, CA, USA  |  \u003cstrong\u003ePrice shown:\u003c\/strong\u003e Per 6' length — select length at checkout\u003c\/p\u003e","brand":"Blomberg Windows","offers":[{"title":"Default Title","offer_id":49587030032623,"sku":"EXT-SILL-TB-6063T5","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1377\/4319\/files\/image_609198fa-252f-4547-8ea2-2824a2dccc9f.png?v=1779822766","url":"https:\/\/architecturalblombergllc.com\/products\/thermally-broken-aluminum-sill-extrusion","provider":"Architectural Blomberg LLC","version":"1.0","type":"link"}