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EIFS ApplicationsIntroduction to EIFS Components
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Some of the Players
Registered Names and/or Trademarked elements of their respective companies or parent companies
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What is EIFS?
Exterior Insulation and Finish SystemAlso called: Synthetic Stucco
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EIFS is a System
1. Sheathing
2. Secondary Barrier
3. Joint Reinforcement
4. Drainage Mat/Lath
5. Adhesive / Base Coat
6. Insulation Board
7. Mesh
8. Finish Coat / Texture
9. Mechanical Fastener
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What type of EIFS?
Barrier Drainable Panelized Pressurized Direct Applied
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Barrier vs Drainable Walls
Barrier System Drainable System
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Drainable Systems
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Barrier Systems
1. Substrate
2. Joint Treatment
3. Weather Barrier
4. Cementitious Adhesive
5. EPS Board (Foam)
6. Base Coat
7. Mesh
8. Finish
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Systems Compared
Barrier System Drainable System
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EIFS is a Total System!
Framing
Sheathing
EIFS Contractor
Sealant Contractor
Roofer(s)
Glazers
Installers
Any Penetrations
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When are we most important?
Design Phase? Submittal Review? Ongoing
Inspections?
Product Selection? Pre-Con Briefings? Repair Reviews? Client Education?
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Pre-Construction
Design Elements Submittals Compatibility Coordination Manufacturer’s
Input Mock-up Details &
Testing
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Design Problems
Incorrect Specs Mismatched
Materials Poor Moisture
Management Poor
Communication
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Complex Projects
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Importance of Inspection
During Construction
Post-Construction Damage Specific Repair and
Maintenance
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During Construction
Trade Education Materials Installation
Techniques Trade Coordination Safeguarding Repairs
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Storage and Handling
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Results of rough handling
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Poor Fit = More Work!
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Educate the Trades
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When the EIFS is Finished
Protect
Repair
Monitor other trades
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Penetrations – The Good
Penetrations sized for repairs and proper sealant joints
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Penetrations – Not-so-Good
No allowance for mesh repair or a sealant joint.
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Check the Specs
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Sad Painful Truth
Specifications and Instructions are rarely available in the field.
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Inspecting Existing EIFS
Bulges or Cracks in Finish Sealant Joints around doors, windows other
penetrations Staining or discolored finish around joints Does the EIFS contact the ground or
hardscape? Where EIFS and roof lines come together
Sealant Joints Flashing
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What to watch for - Cracks
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What to watch for - Flashing
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What to watch for - Damage
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What to watch for - Damage
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What to watch for - Damage
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What to watch for - Substrate
Proper substrate on non-vertical surfaces
Incorrect Correct
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What to watch for - Substrate
Poor Fastening Delaminating
Contamination
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What to watch for – EPS Foam
Proper Adhesive Pattern Interlocking Corners
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What to watch for – EPS Foam
Correct Incorrect
No gaps should exist in the EPS when the
base and mesh is applied!
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EPS is Thermally Stable
The cementitious adhesive expands and contracts with temperature changes.
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What to watch for – Base Coat
Too
thick.
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What to watch for – Base Coat
Too
thin.
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What to watch for – Base Coat
Damage
To
Mesh.
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What to watch for – Finish
Finish coat has not adhered to the base coat.
Why? Application? Product Failure? Environmental Condition?
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What to watch for – Finish
Finish application issues.
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What to watch for – Sealant Joints
Creative installation of backer rod.
Sealant is too thin.
Backer rod is too shallow.
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Getting the Information
EIMA – EIFS Industry Manufacturers Association
www.eima.com AWCI – Association of the Wall and Ceiling Industry
www.awci.org ASTM – American Society for Testing of Materials
www. astm.org ICC – International Code Council
www.iccsafe.org
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EIFS Manufacturers
Senergy – www.senergy.cc Parex – www.parex.com Sto – www.stocorp.com Dryvit – www.dryvit.com
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QUESTIONS?