{"product_id":"t450n-thermally-broken-casement-window-unit-single-operable","title":"T450N Thermally-Broken Casement Window Unit — Single Operable","description":"\u003ch2\u003eBlomberg T450N Single Casement Window — The Industry Benchmark for Ultra-Slim Thermally-Broken Aluminum Fenestration\u003c\/h2\u003e\u003cp\u003eImagine waking up to a wall of glass so seamlessly integrated into your home's architecture that the boundary between inside and out nearly disappears. That's the promise of the \u003cstrong\u003eBlomberg T450N Single Casement Window\u003c\/strong\u003e — a large-format, thermally-broken aluminum casement unit engineered to deliver the most uncompromising combination of slim aesthetics, thermal performance, and structural integrity available in the industry today.\u003c\/p\u003e\u003cp\u003eWith a \u003cstrong\u003e5\/8\" exterior sightline profile\u003c\/strong\u003e — the narrowest structural aluminum mullion available — the T450N Casement frames your view without interrupting it. Whether installed in a high-rise residential tower, a commercial curtain wall assembly, or a bespoke luxury single-family residence, this window unit performs at the highest level in every dimension.\u003c\/p\u003e\u003cimg src=\"generation:\/\/b464bed5-84ae-42e1-9aa7-662d65612a2f\" alt='Blomberg T450N Single Casement Window Unit shown from exterior face angle on white background, displaying 5\/8\" slim sightline aluminum frame, concealed hinges, multi-point lock handle, and Low-E insulated glass unit'\u003e\u003ch3\u003eThermal Performance That Sets the Standard\u003c\/h3\u003e\u003cp\u003eAt the heart of the T450N's thermal performance is a \u003cstrong\u003epolyamide thermal-strut break\u003c\/strong\u003e — a precision-engineered structural insulator that separates the interior and exterior aluminum extrusion chambers, eliminating the cold-bridging that plagues conventional aluminum window systems. The result: a U-factor as low as \u003cstrong\u003e0.24 with dual glazing\u003c\/strong\u003e and an exceptional \u003cstrong\u003e0.16 with triple glazing\u003c\/strong\u003e, meeting or exceeding the most demanding energy codes in North America. Full \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e and \u003cstrong\u003eNFRC\u003c\/strong\u003e compliance is standard, not optional.\u003c\/p\u003e\u003cimg src=\"generation:\/\/9202307d-59c7-4dca-a25f-d48e0688ae19\" alt=\"Macro close-up of T450N aluminum frame corner cross-section showing dual-chamber extrusion separated by polyamide thermal-strut insert, compression weather seal gasket, and glazing bead geometry\"\u003e\u003ch3\u003eHardware Engineered for Large-Format Panels\u003c\/h3\u003e\u003cp\u003eThe T450N Casement is built to handle the demands of large-format glazing. \u003cstrong\u003eMulti-point locking hardware\u003c\/strong\u003e engages simultaneously at multiple points along the sash perimeter, delivering consistent compression against the weather seal for an airtight, watertight closure. \u003cstrong\u003eConcealed European-style hinges\u003c\/strong\u003e are rated to support panel weights exceeding \u003cstrong\u003e220 lbs\u003c\/strong\u003e, enabling expansive glass areas without visible hardware interrupting the sightline. The sash swings to a full 90 degrees of ventilation — wide open, effortlessly, every time.\u003c\/p\u003e\u003cimg src=\"generation:\/\/f26860bd-3ea5-4993-8c0c-52c649ddd024\" alt=\"Blomberg T450N casement window installed in a contemporary luxury residential living room, cranked open to 90 degrees with panoramic hillside view and warm interior lighting\"\u003e\u003ch3\u003eSeamless Integration into the T450N Window-Wall Ecosystem\u003c\/h3\u003e\u003cp\u003eThe T450N Casement integrates seamlessly with Blomberg's complete window-wall ecosystem — fixed lites, sliding units, pivot windows, and curtain wall assemblies — all sharing the matched \u003cstrong\u003e5\/8\" sightline\u003c\/strong\u003e for a continuous, uninterrupted glazed elevation. Customization options include Blomberg's \u003cstrong\u003e300+ proprietary extrusion program\u003c\/strong\u003e, specialty \u003cstrong\u003eLow-E glass packages\u003c\/strong\u003e (dual and triple), and hardware finishes in \u003cstrong\u003eMatte Black, Brushed Nickel, and Satin Bronze\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlomberg T450N Window-Wall System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame Profile Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\" (15.9 mm) exterior sightline — narrowest structural aluminum mullion in the industry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Break Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyamide thermal-strut, dual-chamber aluminum extrusion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eU-Factor (Dual-Glazed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs low as 0.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eU-Factor (Triple-Glazed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs low as 0.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Panel Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220 lbs (concealed European-style hinge rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGlass Unit Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-glazed IGU, Triple-glazed IGU; specialty Low-E glass packages available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLocking Hardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-point locking, concealed European-style hinges, 90° full ventilation opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMatte Black, Brushed Nickel, Satin Bronze; 300+ proprietary extrusion program options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eENERGY STAR, NFRC, AAMA 101, ASTM E283 \/ E330 \/ E331\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Blomberg Windows","offers":[{"title":"Default Title","offer_id":49582212940015,"sku":null,"price":333.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1377\/4319\/files\/image_339c6a8f-fb3c-48f1-ad1f-d76ce8051ae4.png?v=1779645131","url":"https:\/\/architecturalblombergllc.com\/products\/t450n-thermally-broken-casement-window-unit-single-operable","provider":"Architectural Blomberg LLC","version":"1.0","type":"link"}