{"product_id":"insulated-storefront-igu-low-e","title":"Insulated Storefront IGU (Low-E)","description":"\u003cp\u003e\u003cstrong\u003eInsulated storefront IGU (insulated glass unit) with Low-E coating — custom-cut for retail, office, and commercial storefronts. Argon-filled, dual-pane, code-compliant for IECC.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost commercial storefronts built before 2015 are running single-pane glass that bleeds heat in winter and overloads the AC in summer. Swap to a Low-E argon IGU and your HVAC stops fighting the front of the building.\u003c\/p\u003e\n\u003ch3\u003eStandard make-up\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1\" overall thickness, 1\/4\" tempered exterior + 1\/2\" warm-edge spacer + 1\/4\" tempered interior\u003c\/li\u003e\n\u003cli\u003eLow-E coating (Solarban 60 or Solarban 70XL) on surface #2\u003c\/li\u003e\n\u003cli\u003eArgon gas fill for improved U-value\u003c\/li\u003e\n\u003cli\u003eBlack or stainless warm-edge spacer\u003c\/li\u003e\n\u003cli\u003eCustom widths and heights, polished edges\u003c\/li\u003e\n\u003cli\u003eCardinal Glass or Oldcastle BuildingEnvelope IGUs — manufacturer-certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eU-value down to 0.24 (vs ~1.0 for single-pane)\u003c\/li\u003e\n\u003cli\u003eSHGC tuned to climate zone (.27 for cooling-dominant, .40 for balanced)\u003c\/li\u003e\n\u003cli\u003eVLT 60–70% maintains daylight\u003c\/li\u003e\n\u003cli\u003eMeets IECC 2021, ASHRAE 90.1, and Chicago energy code\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorefront retrofits and replacements\u003c\/li\u003e\n\u003cli\u003eCurtain wall infill\u003c\/li\u003e\n\u003cli\u003eAluminum entrance sidelites and transoms\u003c\/li\u003e\n\u003cli\u003eCommercial office windows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is this priced?\u003c\/strong\u003e\u003cbr\u003eA: $58\/sf starting for standard Low-E IGU. Larger lites, custom shapes, and triple-pane upgrades quote higher.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long for fabrication?\u003c\/strong\u003e\u003cbr\u003eA: 7–10 business days for standard sizes. Rush available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can you match an existing IGU?\u003c\/strong\u003e\u003cbr\u003eA: Yes — we identify the original Low-E coating and spacer color and source a match for a clean visual blend.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Shipping?\u003c\/strong\u003e\u003cbr\u003eA: Crated nationwide. Local pickup or installed in Chicagoland (Cook, DuPage, Lake, Kane, Will counties).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Warranty?\u003c\/strong\u003e\u003cbr\u003eA: 10-year manufacturer seal warranty on the IGU; 1-year installation warranty when we install.\u003c\/p\u003e\n\u003cp\u003eCall \u003cstrong\u003e(708) 800-7120\u003c\/strong\u003e · Email \u003ca href=\"mailto:service@chicagoglasscompany.com\"\u003eservice@chicagoglasscompany.com\u003c\/a\u003e · Chicago Glass Company of Illinois, Melrose Park, IL.\u003c\/p\u003e","brand":"Chicago Glass Company of Illinois","offers":[{"title":"Default Title","offer_id":52524333957396,"sku":"SF-IGU-SF","price":58.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/0101\/1220\/files\/storefront-igu.jpg?v=1779277754","url":"https:\/\/customglass.shop\/products\/insulated-storefront-igu-low-e","provider":"Chicago Glass Company of Illinois","version":"1.0","type":"link"}