{"id":18790,"date":"2016-09-26T12:40:21","date_gmt":"2016-09-26T16:40:21","guid":{"rendered":"http:\/\/www.constructionspecifier.com\/?p=18790"},"modified":"2017-01-19T15:52:01","modified_gmt":"2017-01-19T20:52:01","slug":"chicagos-londonhouse-rejuvenated-thanks-to-imps","status":"publish","type":"post","link":"https:\/\/www.constructionspecifier.com\/chicagos-londonhouse-rejuvenated-thanks-to-imps\/","title":{"rendered":"Chicago\u2019s LondonHouse rejuvenated thanks to IMPs"},"content":{"rendered":"<figure id=\"attachment_18792\" aria-describedby=\"caption-attachment-18792\" style=\"width: 242px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18792 \" src=\"http:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse1-e1475606486617.jpg\" alt=\"When the London Guarantee &amp; Accident Building was erected in 1923, it was one of the \u2018Big Four\u2019 skyscrapers at the foot of the Michigan Street Bridge. Now, the Chicago landmark LondonHouse, it boasts insulated metal panels (IMPs). Photos courtesy Metl-Span\" width=\"242\" height=\"302\" srcset=\"https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse1-e1475606486617.jpg 790w, https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse1-e1475606486617-240x300.jpg 240w, https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse1-e1475606486617-768x960.jpg 768w, https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse1-e1475606486617-624x780.jpg 624w\" sizes=\"auto, (max-width: 242px) 100vw, 242px\" \/><figcaption id=\"caption-attachment-18792\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; font-family: arial,helvetica,sans-serif;\">When the London Guarantee &amp; Accident Building was erected in 1923, it was one of the \u2018Big Four\u2019 skyscrapers at the foot of the Michigan Street Bridge. Now the Chicago landmark LondonHouse, it boasts insulated metal panels (IMPs).<\/span><br \/> <em>Photos courtesy Metl-Span<\/em><\/figcaption><\/figure>\n<p>Back in 2013, Chicago\u2019s historic LondonHouse underwent an extensive renovation. The transformation of this luxury hotel, completed for a grand reopening this past May, included the use of insulated metal panels (IMPs).<\/p>\n<p>\u201cThe renovation consisted of adaptive reuse of the existing building and a new 22-story glass tower addition on the adjoining property,\u201d says Randall Chapple, CSI, CCS, AIA, SE, LEED AP, an associate principal at Goettsch Partners Inc. of Chicago. \u201cThe goal was to create a boutique five-star hotel from the existing London Guarantee &amp; Accident building. The building anchors one of the corners at the Michigan Street Bridge. Our goal was to breathe new life into the existing building and provide an addition that would complement the existing building. The location provided the opportunity to create an outstanding entertainment space on top of the building.\u201d<\/p>\n<p>When the London Guarantee &amp; Accident Building was erected in 1923, it was one of the \u2018Big Four\u2019 skyscrapers at the foot of the Michigan Street Bridge. (The others were the Wrigley Building, Chicago Tribune Tower, and the 333 North Michigan Avenue building.) IMPs have been installed on the back side of its addition.<\/p>\n<p>All American Exterior Solutions (Lake Zurich, Illinois) installed more than 2415 m<sup>2<\/sup> (26,000 sf) of 914-mm (36-in.) wide panels and almost 185 m<sup>2<\/sup> (2000 sf) of 610-mm (24-in.) panels. Both profiles, a 22-gauge outer skin and a 26-gauge inner panel, feature a 50-mm (2-in.) urethane core. They can be installed vertically or horizontally with concealed clips and fasteners in the side-joint. The 914-mm panels provide an R-value of 14.95.<\/p>\n<p>\u201cIt\u2019s not the face of the building facing Michigan Avenue, Wacker Avenue, or the river, so honestly, it was an inexpensive way to add R-value to the back of the building,\u201d says the installers\u2019 Mike Underwood.<\/p>\n<figure id=\"attachment_18793\" aria-describedby=\"caption-attachment-18793\" style=\"width: 200px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18793\" src=\"http:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse2-229x300.jpg\" alt=\"The luxury hotel\u2019s use of IMPs offered advantages both with respect to thermal performance and design aesthetic.\" width=\"200\" height=\"262\" srcset=\"https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse2-229x300.jpg 229w, https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2016\/09\/LondonHouse2.jpg 504w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><figcaption id=\"caption-attachment-18793\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; font-family: arial,helvetica,sans-serif;\">The luxury hotel\u2019s use of IMPs offered advantages both with respect to thermal performance and design aesthetic.<\/span><\/figcaption><\/figure>\n<p>However, there were challenges with the limited space in which to work.<\/p>\n<p>\u201cWe had no room to store product, so we would have a day or two\u2019s worth of panels delivered at a time,\u201d he says. \u201cWe were working on the back side of the building, over an alley, basically lowering panels to where we were installing and worked our way up.\u201d<\/p>\n<p>The renovated LondonHouse features 452 rooms and suites, 2325 m<sup>2<\/sup> (25,000 sf) of meeting space, ballrooms, spa, unique social spaces, and restaurants, as well as the Windy City\u2019s only tri-level rooftop venue and two floors of upscale retail space.<\/p>\n<p>\u201cThe metal panels allowed us to design an enclosure to the addition that would complement the existing building and provide an economical solution that met the performance needs of the fa\u00e7ade,\u201d Chapple says. \u201cThe metal panels met our requirements for both weather and energy performance. They provided a complete pressure-equalized system that did not need to rely on additional components to provide a complete air, vapor, and weather barrier.\u201d<\/p>\n<p>\u201cThe aesthetics of the building for each fa\u00e7ade was of great importance,\u201d he continues. \u201cWorking with a manufacturer of metal panels that could assist us with the design of the fa\u00e7ade to achieve an economical solution, while not sacrificing the performance of the fa\u00e7ade, helped our firm achieve our goals for the project.\u201d<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Back in 2013, Chicago\u2019s historic LondonHouse underwent an extensive renovation. The transformation of this luxury hotel, completed for a grand reopening this past May, included the use of insulated metal panels (IMPs).<\/p>\n","protected":false},"author":6,"featured_media":18792,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,179,449,185,254,187,267,460],"tags":[3269,2969,2393],"class_list":["post-18790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-form-and-function","category-masterformat","category-uniformat","category-05-00-00-metals","category-05-50-00-metal-fabrications","category-07-00-00-thermal-and-moisture-protection","category-07-40-00-roofing-and-siding-panels","category-b20exterior-vertical-enclosures","tag-illinois","tag-imps","tag-insulated-metal-panels","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chicago\u2019s LondonHouse rejuvenated thanks to IMPs - The Construction Specifier<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.constructionspecifier.com\/chicagos-londonhouse-rejuvenated-thanks-to-imps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chicago\u2019s LondonHouse rejuvenated thanks to IMPs - The Construction Specifier\" \/>\n<meta property=\"og:description\" content=\"Back in 2013, Chicago\u2019s historic LondonHouse underwent an extensive renovation. 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