lass and metal curtain walls

1 Lass and metalcurtain wallsgBest practice guidebuilding technologyCMHC offers a wide range of housing-related details, contact your local CMHC office or call 1 publication est aussi disponible en fran ais sous le titre :Guides des r gles de l art murs rideaux en verre et m tal 63703 Public Works andTravaux publics etGovernment ServicesServices gouvernementauxCanadaCanadaGlass and MetalCurtain WallsCMHC Home to CanadiansCanada Mortgage and Housing Corporation (CMHC) isthe Government of Canada s national housing Canadians gain access to a wide choice of quality,affordable mortgage loan insurance program has helped manyCanadians realize their dream of owning a providefinancial assistance to help Canadians most in need to gainaccess to safe, affordable our research,we encourage innovation in housing design and technology,community planning, housing choice and also work inpartnership with industry and other Team Canada members tosell Canadian products and expertise in foreign markets.

2 Therebycreating jobs for Canadians here at offer a wide variety of information products to consumersand the housing industry to help them make informedpurchasing and business Canada s mostcomprehensive selection of information about housing andhomes, we are Canada s largest publisher of housing everything that we do, we are helping to improve the qualityof life for Canadians in communities across this arehelping Canadians live in safe, secure homes. CMHC is hometo can easily access our information through retailoutlets and CMHC s regional can also reach us by phone at 1 800 668-2642 (outside Canada call (613) 748-2003)By fax at 1 800 245-9274 (outside Canada (613) 748-2016)To reach us online, visit our home page at and MetalCurtain WallsNational Library of Canada cataloguing in publication dataSteering Committee for the Best Practice Guide, Glass and MetalCurtain walls (Canada)Glass and metal curtain walls (Best practice guide, building technology)Issued also in French under title: Murs-rideaux en verre et m a CD-ROM in bibliographical 0-660-19394-9 Cat.

3 No. NH15-428/2004E1. curtain walls Design and Exterior walls Design and Canada Mortgage and Housing 2004 721 .2 C2004-980338-7 2004 Canada Mortgage and Housing Corporation All rights reserved. No portion of this book may be reproduced, stored in a retrieval system or transmitted in any form or by any means, mechanical, electronic, photocopying, recording or otherwise without the prior writtenpermission of Canada Mortgage and Housing Corporation. Without limiting thegenerality of the foregoing, no portion of this book may be translated from Englishinto any other language without the prior written permission of Canada Mortgageand Housing in CanadaProduced by CMHCG lass and MetalCurtain WallsFOREWORDC anada Mortgage and Housing Corporation,the federal government s housing agency, is responsible for administeringtheNational Housing legislation is designed to aid in the improvement of housing and livingconditions in Canada.

4 As a result, the Corporation has interests in all aspectsof housing and urban growth and Part IX of this Act, the Government of Canada provides fundsto CMHC to conduct research into the social, economic, and technicalaspects of housing and related fields, and to undertake the publishing anddistribution of the results of this research. CMHC therefore has a statutoryresponsibility to make information widely available that may be useful inthe improvement of housing and living publication is one of the many items of information published byCMHC with the assistance of federal analysis, interpretations, andrecommendations are those of the consultants and do not necessarily reflectthe views of CMHC or those divisions of the Corporation that assisted inpreparation and has been taken to review the research summarized in this Guide, butno attempt has been made to replicate or check experimental results orvalidate computer programs.

5 Neither the authors nor CMHC warrant orassume any liability for the accuracy or completeness of the text, drawings,or accompanying diskette, or their fitness for any particular purpose. It isthe responsibility of the user to apply professional knowledge in the use ofthe information contained in these drawings, specifications, and texts, toconsult original sources, or when appropriate, to consult an architect orprofessional committee for the BestPractice Guide,Glass and MetalCurtain WallsAcknowledgementThis Guide, text, details and illustrations, was prepared by Brook Van Dalen& Associates Limited. Detail drawings were drafted by Bryden Martel Architects and MetalCurtain WallsChris Makepeace, Manager, walls and Windows Infrastructure Alberta3rd floor, InfrastructureBuilding, 6950 - 113 StreetEdmonton, AlbertaT6H 5V7 Anik Shooner, architecte Menk s, Shooner, Dagenais,architectes1134, rue Sainte-CatherineOuest, Montr al, Qu bec H3B 1H4 Brian Kyle, PWGSC replaced by Allan Wiseman, P.

6 Eng. Public Works and Government Services Canada Physical InfrastructurePortage III, 8B1, 11 Laurier StreetGatineau, Quebec K1A 0S5 Luis de Miguel, architectCMHC700 Montreal Road Ottawa, Ontario K1A 0P7 iGlass and MetalCurtain WallsTABLE OF CONTENTS1 / IntroductionIntroduction1-12 / metal curtain wall Basic metal curtain Essential Wall Glazing Selection Criteria2-213 / Components and Concrete Mounting Lug Anchor Loading and Pressure Snap Quality Fastener Fastener Holes, Slots, Fastener Selection Glazing Neoprene and Silicone-Compatible Rubbers/3-18 Thermoplastic Urethane Gasket Glazing Non-shimmed Glazing Pre-Shimmed Glazing Glazing Setting and Spacer Joint Backers3-21iiGlass and MetalCurtain WallsTABLE OF Structural Glass Thickness Deflection of Factors that Impact Glass Fabricated Glass Insulating Glass Edge Laminated Spandrel Spandrel metal Organic Porcelain Structural Silicone Glazing Gaskets and Glazing Structural Silicone Fabricated Glass Spandrel Finishes3-444 / Performance- theory and Function of Structural Dead Wind Seismic Impact Guard Window Washing

7 Blast Sunshade Temperature Snow and Provision for Control of Water Control of Air Leakage4-20iiiGlass and MetalCurtain WallsTABLE OF Control of Water Vapour Control of Heat Condensation Control of Sound Control of Performance at Interfaces4-275 / Performance-Evaluation and Mock-Up Test Performance Basic Test Air Leakage Testing Water Penetration Water Penetration AAMA Structural Adequacy ASTM Alternate Test Supplementary Test Condensation Overall Thermal Thermal Seismic Window Washing Test Field Field Water Penetration Field Air Leakage Field Structural Field Monitoring of Thermal Thermography5-216 / DetailsIntroduction6-1 Detail 1 - Termination at Grade6-2 Detail 2 - Termination at Soffit6-4 Detail 3 - Termination at Parapet6-6 Detail 4 - Intermediate Horizontal6-8 Detail 5 - Stick Frame System Horizontal Expansion Joint6-10 Detail 6 - Horizontal at Ceiling6-12 Detail 7 - Intermediate Vertical6-14 Detail 8 - Inside Vertical Corner6-16 Detail 9 - Vertical Jamb (masonry)6-18 Detail 10 -Vertical Jamb ( metal panel)6-20 Detail 11 -Vertical Jamb (precast concrete)6-22 Detail 12 -Operable Vent Head/Sill6-24ivDetail 13 -Stick Frame System SSG Intermediate Horizontal6-26 Detail 14 -Stick Frame System SSG Mullion6-28 Detail 15 -Stick Frame System SSG Outside CornerMullion (alt.)

8 1)6-30 Detail 16 -Stick Frame System SSG Outside CornerMullion (alt. 2)6-32 Detail 17 -Unitized System Termination at Grade6-34 Detail 18 -Unitized System Termination at Underside ofConcrete Slab6-36 Detail 19 -Unitized System Intermediate Horizontal6-38 Detail 20 -Section: Stack Joint Capped Panel6-40 Detail 21 -Unitized System Vertical Mullion at Panel Joint6-42 Detail 22 -Unitized System Outside Corner Capped6-44 Detail 23 -Unitized System SSG Horizontal Rail at Ceiling6-46 Detail 24 -Unitized System SSG Stack Joint (alt. air seal)6-48 Detail 25 -Unitized System SSG Mullion (alt. air seal location)6-507 / Quality assuranceQuality Assurance Versus Quality Specifications and Early Architectural Tolerances and Shop Mock-Up and Field Fabrication and Installation7-88 / Annotated 08920 Specification8-1 Part 1 - Related System Performance Product Shop Design Test Regulatory Pre-installation Delivery, Storage and Handling8-13 Glass and MetalCurtain WallsTABLE OF Environmental Extra Waste Management and Quality Assurance8-15 Part 2 - Fabrication.

9 Infill Source Quality Control8-21 Part 3 - Site Field Quality Manufacturer s Field Protection8-259 / Maintenance and Exterior Exterior Pressure Plate Renewal or Vision Spandrel Interior Joinery Backpan Pressure Plate Finished metal Snap Cap Engagement9-6 Appendix A - GlossaryGlossaryA-1 Glass and MetalCurtain WallsTABLE OF CONTENTSviAppendix B - ReferencesReference OrganizationsB-1 FiguresFigure terminology2-2 Figure system general2-6 Figure system joinery typicalhorizontal/vertical connection2-7 Figure system joinery typicalExpansion joint assembly2-8 Figure system general2-9 Figure system joinery - typicalexpansion joint assembly2-10 Figure system general four-waystack joint concept2-11 Figure and panel general2-12 Figure panel general2-13 Figure Window wall general2-14 Figure Glazing method essential terminology2-15 Figure Glazing method exterior batten2-16 Figure Glazing method stop2-17 Figure Glazing method structural silicone (SSG)

10 2-18 Figure Glazing method channel glazing2-19 Figure Glazing method structural gasket2-20 Figure Factors that influence the design and selectionof a particular curtain wall system2-21 Figure and materials3-1 Figure of embedded anchor components3-2 Figure anchor in many stick-erected curtain wall systems3-4 Figure sophisticated anchor3-5 Figure edge anchor3-6 Figure clearances and tolerances3-6 Figure mullion section3-9 Figure horizontal rails and shoulder edge detail3-10 Figure horizontal rails Unitized system3-10 Figure Interlock system two-part pressure plate3-11 Figure Vent/Drain openings3-12 Figure Snap Caps3-13 Figure Scr