preventable curtain wall failures - amazon web services · preventable curtain wall failures best...
TRANSCRIPT
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Preventable Curtain Wall Failures Kawneer AIA-CESCourse: K_ILFF_12_114Credit: (1) CEH/HSW
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Kawneer CompanyTechnology Park / Atlanta555 Guthridge CourtNorcross, Georgia 30092
Architectural Services Team 1-877-767-9107 kawneer.comkawneergreen.com
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Best Practices:Kawneer is registered as an Approved AIA CES Provider (J204)
and this course has been approved by AIA in accordance with their
guidelines. This course is not designed to promote any particular
product or manufacturer during the educational portion of the
presentation. AIA members will earn 1 hour CEH /HSW after
completing the online quiz following this presentation.
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Preventable Curtain Wall Failures
CopyrightThis presentation is protected by US and International Copyright
laws. Reproduction, distribution, display and use of the
presentation without written permission of the speaker is prohibited.
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Preventable Curtain Wall Failures
Learning Objectives:
1. Influence of Wind Load on Curtain Wall Design/Selection
2. Importance of Properly Securing Curtain Wall to 2. Importance of Properly Securing Curtain Wall to Surround Condition
3. Importance of Following Manufacturer’s Installation Instructions Addressing Internal Seals
4. Understanding How Curtain Wall Performs and Installation for Proper Performance
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Preventable Curtain Wall Failures
Curtain Wall:
• Building Envelope
• Thermal Barrier
• Weather Barrier
• Air Pressure Barrier
• Exterior to Structure
Preventable Curtain Wall Failuresrtain Wall Failures
• Exterior to Structure
• Anchored at Slab Edge
• Moves Independently
• Performs as:
• System
• Individual Lites
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Preventable Curtain Wall Failures
Failure Is When Curtain Wall Systems Do Not Meet Ex pectations
With proper understanding of curtain wall systems, most failures are PREVENTABLE!
Main Causes of CW Failures:
• Wind Load Issues
• Improper Perimeter Anchoring
• Improper Critical Seals
• System Performance Restricted
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Preventable Curtain Wall Failures
• Ensure System Will Withstand Project Conditions
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Preventable Curtain Wall Failures
Design Load Drivers Include:
• Wind Load
Proper System for Project Conditions
• Dead Load
• Hurricane Conditions
• Blast Mitigation
• Seismic
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Façade- Components & Cladding• IBC Structural section 1600• Provide Wind Load in PSF
(not MPH)
Proper System for the Project Conditions
Components and Cladding• Design wind pressures in terms
of Positive and Negative PSF
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Architect & Structural
Proper System for the Project Conditions
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Architect & Structural
• PSF
Proper System for the Project Conditions
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Preventable Curtain Wall Failures
• Ensure System Will Withstand Project Conditions
• Ensure System is Properly Secured to Surround ConditionCondition
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Preventable Curtain Wall Failures
7
8
9
10
4"
1
2
3
4
5
6
140'
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Use Perimeter Anchors Engineered for System
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Consider Possible End
Reaction!
Use Perimeter Anchors Engineered for System
Reaction!
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Preventable Curtain Wall Failures
How will this anchor handle live load deflection?
Use Perimeter Anchors Engineered for System
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Preventable Curtain Wall Failures
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Preventable Curtain Wall Failures
½" ¾"
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Preventable Curtain Wall Failures
Maintain Maintain
Preventable Curtain Wall Failures
Maintain Maintain Proper Proper Caulk JointCaulk Joint
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Maintain Proper Caulk JointMaintain Proper Caulk Joint
Preventable Curtain Wall Failures
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Preventable Curtain Wall Failures
Maintain Continuity of Perimeter Seals
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Preventable Curtain Wall Failures
Maintain Continuity of Perimeter Seals
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Preventable Curtain Wall Failures
Maintain Continuity of Perimeter Seals
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Preventable Curtain Wall Failures
Maintain Continuity of Perimeter Seals
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Preventable Curtain Wall Failures
Maintain Continuity of Perimeter Seals
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Preventable Curtain Wall Failures
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Preventable Curtain Wall Failures
Proper Use and Location of Shims is CriticalCritical
• Load-Bearing
• Non-Compression
Proper Shimming is Critical to Curtain Wall Perform ance
• High-Durability
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Preventable Curtain Wall Failures
Proper Shimming is Critical to Curtain Wall Perform ance
Locate Shims Properly Above Anchor (as shown)
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Preventable Curtain Wall Failures
Proper Shimming is Critical to Curtain Wall Perform ance
Shim at Setting Block Locations
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Preventable Curtain Wall Failures
Proper Shimming is Critical to Curtain Wall Perform ance
Potential Fastener Shear
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Preventable Curtain Wall Failures
Proper Shimming is Critical to Curtain Wall Perform ance
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Preventable Curtain Wall Failures
• Ensure System Will Withstand Project Conditions
• Ensure System is Properly Secured to Surround ConditionCondition
• Ensure All Internal Critical Seals are Per Manufacturer’s Recommendations
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Preventable Curtain Wall Failures
Proper Attention to Critical Internal Seals
Clean All Surfaces Prior To Application of Sealant
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Preventable Curtain Wall Failures
Apply Manufacturer’s Critical Seals
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Proper Attention to Critical Internal Seals
Photos from Wiss, Janney, Elstner Associates
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Preventable Curtain Wall Failures
Proper Attention to Critical Internal Seals
Glass Setting Blocks Must be at Proper Locations Proper Locations
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Preventable Curtain Wall Failures
Proper Attention to Critical Internal Seals
Use Proper Setting Setting Blocks
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Preventable Curtain Wall Failures
Gaskets Must be Properly Installed
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Preventable Curtain Wall Failures
Gaskets Must be Properly Installed
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Preventable Curtain Wall Failures
• Ensure System Will Withstand Project Conditions
• Ensure System is Properly Secured to Surround ConditionCondition
• Ensure All Internal Critical Seals are Per Manufacturer’s Recommendations
• Ensure System is Installed Properly for Intended Performance
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
Size & Locate Weep Holes Properly
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Preventable Curtain Wall FailuresPreventable Curtain Wall Failures
This Is Not How You Weep A Curtain Wall
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Preventable Curtain Wall Failures
Size & Locate Weep Holes Properly
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Preventable Curtain Wall Failures
Size & Locate Weep Holes Properly
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Preventable Curtain Wall Failures
Locate Screws 9" On Center And As Close To The Horizontal Joint
Locate &Torque Pressure Plate Screws Properly
Horizontal Joint As Possible.
Torque Screws To 95 to 100 Inch Pounds
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Preventable Curtain Wall Failures
Torque Pressure Plate Screws to Proper Levels
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Preventable Curtain Wall Failures
• Ensure System Will Withstand Project Conditions
• Ensure System is Properly Secured to Surround Condition
Use Correct System
Secure Properly to Surround Condition
to Surround Condition
• Ensure All Internal Critical Seals are Per Manufacturer’s Recommendations
• Ensure System is Installed Properly for Intended Performance
Attention to Critical Seals
Allow System to Perform
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Kawneer CompanyTechnology Park / Atlanta555 Guthridge CourtNorcross, Georgia 30092
Architectural Services Team 1-877-767-9107 kawneer.comkawneergreen.com