CINXE.COM
hvac duct construction standards - metal and flexible 4th edition smacna - Google Search
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en-SG"><head><meta content="application/xhtml+xml; charset=UTF-8" http-equiv="Content-Type"/><meta content="no-cache" name="Cache-Control"/><title>hvac duct construction standards - metal and flexible 4th edition smacna - Google Search</title><style>a{text-decoration:none;color:inherit}a:hover{text-decoration:underline}a img{border:0}body{font-family:arial,sans-serif;padding:8px;margin:0 auto;max-width:700px;min-width:240px;}.FbhRzb{border-left:thin solid #dadce0;border-right:thin solid #dadce0;border-top:thin solid #dadce0;height:40px;overflow:hidden}.n692Zd{margin-bottom:10px}.cvifge{height:40px;border-spacing:0}.QvGUP{height:40px;padding:0 8px 0 8px;vertical-align:top}.O4cRJf{height:40px;width:100%;padding:0;padding-right:16px}.O1ePr{height:40px;padding:0;vertical-align:top}.kgJEQe{height:36px;width:98px;vertical-align:top;margin-top:4px}.lXLRf{vertical-align:top}.MhzMZd{border:0;vertical-align:middle;font-size:14px;height:40px;padding:0;width:100%;padding-left:16px}.xB0fq{height:40px;border:none;font-size:14px;background-color:#1a73e8;color:#fff;padding:0 16px;margin:0;vertical-align:top;cursor:pointer}.xB0fq:focus{border:1px solid #1a73e8}.M7pB2{border:thin solid #dadce0;margin:0 0 3px 0;font-size:13px;font-weight:500;height:40px}.euZec{width:100%;height:40px;text-align:center;border-spacing:0}table.euZec td{padding:0;width:25%}.QIqI7{display:inline-block;padding-top:4px;font-weight:bold;color:#4285f4}.EY24We{border-bottom:2px solid #4285f4}.CsQyDc{display:inline-block;color:#70757a}.TuS8Ad{font-size:14px}.HddGcc{padding:8px;color:#70757a}.dzp8ae{font-weight:bold;color:#3c4043}.rEM8G{color:#70757a}.bookcf{table-layout:fixed;width:100%;border-spacing:0}.InWNIe{text-align:center}.uZgmoc{border:thin solid #dadce0;color:#70757a;font-size:14px;text-align:center;table-layout:fixed;width:100%}.frGj1b{display:block;padding:12px 0 12px 0;width:100%}.BnJWBc{text-align:center;padding:6px 0 13px 0;height:35px}</style></head><body><style>.ezO2md{border:thin solid #dadce0;padding:12px 16px 12px 16px;margin-bottom:10px;font-family:arial,sans-serif}.lIMUZd{font-family:arial,sans-serif}.Dks9wf{width:100%}.KZhhub{border-spacing:0;width:100%}.udTCfd{vertical-align:top;width:100%}.fYyStc{word-break:break-word}.ynsChf{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.Fj3V3b{color:#1967d2;font-size:14px;line-height:20px}.FrIlee{color:#202124;font-size:13px;line-height:20px}.F9iS2e{color:#70757a;font-size:13px;line-height:20px}.WMQ2Le{color:#70757a;font-size:12px;line-height:16px}.x3G5ab{color:#202124;font-size:18px;line-height:24px}.fuLhoc{color:#1967d2;font-size:18px;line-height:24px}.epoveb{font-size:32px;line-height:40px;font-weight:400;color:#202124}.dXDvrc{color:#0d652d;font-size:14px;line-height:20px;word-wrap:break-word}.dloBPe{font-weight:bold}.YVIcad{color:#70757a}.JkVVdd{color:#ea4335}.oXZRFd{color:#ea4335}.MQHtg{color:#fbbc04}.pyMRrb{color:#1e8e3e}.EtTZid{color:#1e8e3e}.M3vVJe{color:#1967d2}.qXLe6d{display:block}.NHQNef{font-style:italic}.Cb8Z7c{white-space:pre}a.ZWRArf{text-decoration:none}a .CVA68e:hover{text-decoration:underline}.CSfvHb{padding-bottom:8px}.GN4D8d{margin:0}.SqPqqd{display:block;padding-top:12px}.VeHcBf{border-spacing:0;width:100%;table-layout:auto;padding:4px 0 4px 0}.MGsU1d{text-align:right}</style><div class="n692Zd"><div class="BnJWBc"><a class="lXLRf" href="/?sa=X&sca_esv=5d9046e69052c630&output=search&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQPAgC"><img class="kgJEQe" src="/images/branding/searchlogo/1x/googlelogo_desk_heirloom_color_150x55dp.gif" alt="Google"/></a></div><div class="FbhRzb"><form action="/search"><input name="sca_esv" value="5d9046e69052c630" type="hidden"/><input name="oq" type="hidden"/><input name="aqs" type="hidden"/><table class="cvifge"><tr><td class="O4cRJf"><input class="MhzMZd" value="hvac duct construction standards - metal and flexible 4th edition smacna" name="q" type="text"/></td><td class="O1ePr"><input class="xB0fq" value="Search" type="submit"/></td></tr></table></form></div><div class="M7pB2"><table class="euZec"><tbody><tr><td class="EY24We"><span class="QIqI7">ALL</span></td><td><a class="CsQyDc" href="/search?q=hvac+duct+construction+standards+-+metal+and+flexible+4th+edition+smacna&sca_esv=5d9046e69052c630&tbm=isch&source=lnms&sa=X&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ_AUIBSgB">IMAGES</a></td><td><a class="CsQyDc" href="/search?q=hvac+duct+construction+standards+-+metal+and+flexible+4th+edition+smacna&sca_esv=5d9046e69052c630&tbm=bks&source=lnms&sa=X&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ_AUIBigC">BOOKS</a></td><td><a class="CsQyDc" href="/search?q=hvac+duct+construction+standards+-+metal+and+flexible+4th+edition+smacna&sca_esv=5d9046e69052c630&tbm=vid&source=lnms&sa=X&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ_AUIBygD">VIDEOS</a></td></tr></tbody></table></div></div><div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://store.smacna.org/hvac-duct-construction-standards-metal-and-flexible-4th/&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAkQAg&usg=AOvVaw0xm__prn9QQ6OYAYeex1CB"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards - Metal and Flexible, 4th Edition</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">store.smacna.org › hvac-duct-construction-standards-metal-and-flexible-4th</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc YVIcad">US$272.00</span> </span> <span class="qXLe6d FrIlee"> <span class="fYyStc">The flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in the sheet metal duct fabrication and ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://www.amazon.sg/HVAC-Duct-Construction-Standards-Flexible/dp/1617211265&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECA4QAg&usg=AOvVaw2bv1Rd_WPCIkxM0VxOzW2U"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards – Metal & Flexible - Amazon.sg</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">www.amazon.sg › HVAC-Duct-Construction-Standards-Flexible</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc YVIcad">Rating</span> <span class="fYyStc"> </span> <span class="F9iS2e">4.3</span> <img src="//www.gstatic.com/m/images/sy_stars_9.gif" alt="" height="9" width="49"/> <span class="F9iS2e">(12)</span> </span> <span class="qXLe6d FrIlee"> <span class="fYyStc">Building on a history of duct construction standards nearly 100 years old, the Fourth Edition of SMACNA's HVAC Duct Construction Standards - Metal and Flexible ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://store.smacna.org/hvac-duct-construction-standards-metal-and-flexible-4th/303&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECA0QAg&usg=AOvVaw0MQfhffqJb7TPBP1VqROXK"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards - Metal and Flexible, 4th Edition ...</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">store.smacna.org › hvac-duct-construction-standards-metal-and-flexible-4th</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc">Vertical duct runs of 60” ID or greater must have mechanical fasteners (weld pins or metal screws with washers) on 24” centers (max.) at the upstream and ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://law.resource.org/pub/us/cfr/ibr/005/smacna.duct.1995.html&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAwQAg&usg=AOvVaw1q34BRb_HwlizmLyyW16Ds"><span class="CVA68e qXLe6d fuLhoc ZWRArf">hvac duct construction standards metal and flexible</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">law.resource.org › pub › cfr › ibr › smacna.duct.1995.html</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc">This Second Edition of the SMACNA commercial metal and flexible duct construction standards is another in a long line dating from the 1950s.</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://store.smacna.org/hvac-duct-construction-standards-metal-and-flexible-4th/178&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAYQAg&usg=AOvVaw0caYV9Dz7lVEY8wfX3ffCo"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards - Metal and Flexible, 4th Edition ...</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">store.smacna.org › hvac-duct-construction-standards-metal-and-flexible-4th</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc">The SMACNA HVAC Systems Duct Design manual and the ASHRAE Duct Fitting Database contain far more configurations of round fittings than this manual. Friction ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://webstore.ansi.org/standards/ansi/ansismacna0062020%3Fsrsltid%3DAfmBOooQVcIYt4mGAEASewHyBHlh88DvxuctsnUD72i01YcjTT1rjNH6&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAsQAg&usg=AOvVaw0f3PvQXrKOy81DRgRU3p8i"><span class="CVA68e qXLe6d fuLhoc ZWRArf">ANSI/SMACNA 006-2020 - HVAC Duct Construction Standards</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">webstore.ansi.org › standards › ansi › ansismacna0062020</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc YVIcad">US$272.00</span> <span class="fYyStc"> </span> <span class="fYyStc YVIcad">In stock</span> </span> <span class="qXLe6d FrIlee"> <span class="fYyStc">The flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in the sheet metal duct fabrication and ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://store.smacna.org/hvac-duct-construction-standards-metal-and-flexible-4th/55&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAgQAg&usg=AOvVaw2mcnKc_dxjebKTW7uQtgja"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards - Metal and Flexible, 4th Edition ...</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">store.smacna.org › hvac-duct-construction-standards-metal-and-flexible-4th</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc">Fasten angle to the connector or duct wall within 2 in. of the corner and at 12 in. maximum intervals.</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://www.camtechschool.com/mobile/bookstore_products_detail.php%3Fcid%3D5%26type%3Dbook%26pid%3D14&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAcQAg&usg=AOvVaw1yg4RNqWIxgTrox5n6i_8x"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards, 4th Edition, 2020</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">www.camtechschool.com › mobile › bookstore_products_detail</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc YVIcad">US$155.00</span> </span> <span class="qXLe6d FrIlee"> <span class="fYyStc">SMACNA 2127. This edition of the HVAC Duct Construction Standards - Metal & Flexible is primarily for commercial and institutional projects and contains ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://1examprep.com/products/hvac-duct-construction-standards-metal-and-flexible%3Fsrsltid%3DAfmBOortGIrjr1usUpueYpKrLSH2s7_-26O9gLzfP2G-eN1X-Axonfi1&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAUQAg&usg=AOvVaw00_2hiZHAzvh8ZuBi89Vh_"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards - Metal and Flexible, 4th Edition ...</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">1examprep.com › products › hvac-duct-construction-standards-metal-and-f...</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc YVIcad">US$225.00</span> </span> <span class="qXLe6d FrIlee"> <span class="fYyStc">The flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in the sheet metal duct fabrication and ...</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div><a class="fuLhoc ZWRArf" href="/url?q=https://store.smacna.org/hvac-duct-construction-standards-metal-and-flexible-4th/32&sa=U&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQFnoECAoQAg&usg=AOvVaw1oyO29UbNxd-hzDfF6iJys"><span class="CVA68e qXLe6d fuLhoc ZWRArf">HVAC Duct Construction Standards - Metal and Flexible, 4th Edition ...</span> <span class="qXLe6d dXDvrc"> <span class="fYyStc">store.smacna.org › hvac-duct-construction-standards-metal-and-flexible-4th</span> </span> </a></div><div class="Dks9wf"><table class="KZhhub"><tr><td class="udTCfd"><div> <div> <span class="qXLe6d FrIlee"> <span class="fYyStc">This installation standard is applicable to ducts placed in or beneath concrete floors or in areas free from vehicle traffic.</span> </span> </div> </div></td></tr></table></div></div></div> </div> </div><div> <div> <div class="ezO2md"><div><div> <span class="qXLe6d x3G5ab"> <span class="dloBPe fYyStc">Related searches</span> </span> </div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+hvac+duct+construction+standards+-+metal+and+flexible&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAE"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna hvac duct construction standards - metal and flexible</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+hvac+duct+construction+standards+-+metal+and+flexible"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+hvac+duct+construction+standards+table+5-1&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAI"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna hvac duct construction standards table 5-1</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+hvac+duct+construction+standards+table+5-1"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+hvac+duct+construction+standards+latest+edition&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAM"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna hvac duct construction standards latest edition</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+hvac+duct+construction+standards+latest+edition"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+4th+edition&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAQ"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna 4th edition</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+4th+edition"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+standards+for+flexible+duct+installation&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAU"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna standards for flexible duct installation</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+standards+for+flexible+duct+installation"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+duct+gauge+chart&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAY"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna duct gauge chart</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+duct+gauge+chart"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+standards+2019+pdf+download&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAc"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna standards 2019 pdf download</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+standards+2019+pdf+download"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div><div><table class="VeHcBf"><tbody><tr><td><a class="ZWRArf" href="/search?sca_esv=5d9046e69052c630&q=smacna+duct+gauge+chart+pdf&sa=X&ved=2ahUKEwjEoJiph_aJAxVun2MGHYXaDakQ1QJ6BAgEEAg"><span class="CVA68e qXLe6d"> <span class="qXLe6d FrIlee"> <span class="fYyStc">smacna duct gauge chart pdf</span> </span> </span></a></td><td><div class="MGsU1d"><a href="/search?sca_esv=5d9046e69052c630&q=smacna+duct+gauge+chart+pdf"><div class="FrIlee">></div></a></div></td></tr></tbody></table></div></div></div> </div> </div></div><table class="uZgmoc"><tbody><td><a class="frGj1b" href="/search?q=hvac+duct+construction+standards+-+metal+and+flexible+4th+edition+smacna&sca_esv=5d9046e69052c630&ei=9a1DZ4TSGe6-juMPhbW3yAo&start=10&sa=N">Next ></a></td></tbody></table><br/><div class="TuS8Ad" data-ved="0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQpyoIPA"><style>.VYM29{font-weight:bold}</style><div class="HddGcc" align="center"><span class="VYM29">Singapore</span><span> - </span><span>From your IP address</span><span> - </span><a href="/url?q=https://support.google.com/websearch%3Fp%3Dws_settings_location%26hl%3Den-SG&opi=89978449&sa=U&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQty4IPQ&usg=AOvVaw3eaqGQjS7CwWTIECDWi6Ls">Learn more</a></div><div align="center"><a class="rEM8G" href="/url?q=https://accounts.google.com/ServiceLogin%3Fcontinue%3Dhttps://www.google.com/search%253Fsca_esv%253D5d9046e69052c630%2526q%253Dhvac%252Bduct%252Bconstruction%252Bstandards%252B-%252Bmetal%252Band%252Bflexible%252B4th%252Bedition%252Bsmacna%2526sa%253DX%2526ved%253D2ahUKEwjXld_F6PWJAxW41DgGHT4WKsQQ1QJ6BAgEEAI%26hl%3Den&opi=89978449&sa=U&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQxs8CCD4&usg=AOvVaw04_C2cbZzupyKfVo1LiMyg">Sign in</a></div><div><table class="bookcf"><tbody class="InWNIe"><tr><td><a class="rEM8G" href="https://www.google.com/preferences?hl=en&sa=X&ved=0ahUKEwjEoJiph_aJAxVun2MGHYXaDakQv5YECD8">Settings</a></td><td><a class="rEM8G" href="https://www.google.com/intl/en_sg/policies/privacy/">Privacy</a></td><td><a class="rEM8G" href="https://www.google.com/intl/en_sg/policies/terms/">Terms</a></td></tr></tbody></table></div></div><div> </div></body></html>