Date post: | 10-May-2015 |
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Identifying Building Systems Issues:
Inspections & Investigations
Bill SlatteryBuilding Systems Specialist
Associates: Robert Johnson, PE Aaron Broderick, PE
Lori Ford, Business Manager
Bill Slattery
• Owner of Slattery Construction, Slattery-Johnson and Associates
• General Contractor/Builder, 1975-Present (CCB #16451)
• Past President of Home Builders Association, 1998
• Builder of Year 1987, 1998
• Certified New Home Sale Professional Instructor/Holder, 1994-97
• Arbitrator; Construction Disputes, 1992
• Expert Witness/Investigator, 1989
• ASHI Inspector/Member, 1996
• EIFS-Stucco Certified Inspector, 2000
• ASTM Commercial Property Certified Inspector, 2005
• Historic Restoration Board, City of Eugene, 1985 (First historic restoration in Lane County)
• Envision Eugene, Community Resource Group, 2011
• LBPR Licensed
• BS, USF International Marketing
• IBM Marketing Manager, 1966-78
• Southtowne Rotary Past President, 1984
541-342-8441
Building Forensics
Problems identified:
• EIFS
• Siding
• Structural defects
• Moisture
EIFS (exterior insulation finishing system)
• Evaluation • Very few certified evaluators
• Installation• Manufacturer Specifications
• Type• Since 1996
• Drainable Vapor Barrier Required• Flashing/Caulking Inspection
Required
• Present Day• Can’t install it
Do Not Confuse With Hard Coat Stucco
Siding
Class Action Lawsuits• Louisiana Pacific-“Smart Lap”
• Attended first trial in 1996
• 800,000+ houses
• Weyco-Class Action• Masonite-“Omniwood”
Hardie• Excellent Product, good History• Cement Based
SMART LAP
HARDIE
Structural Defects
Identify building system parts: • Trusses• Roof trusses • Wall and floor framing • Venting• Electrical • Heating • Footing • Foundation• Finishes
Structural Issues
The Building Envelope
The building envelope encloses and weatherizes the house.Any portion can fail and these are areas where moisture intrusion happens because of poor application and maintenance.
• Siding
• Flashing
• Doors and Windows
• Gutters, Drains, Downspouts
• Roofing
• Chimney Caps
• Insulation
• Sealant
• Vapor Barrier
Moisture
Sick Building Syndrome•Phase 1 mold evaluation
(What kind of mold is present?)• Phase 2 evaluation can only be done by a
Certified Industrial Hygienist
•Product and Systems Evaluation (What is the cause?)
• HVAC System
•Remediate (protocol to prevent cross-contamination)
•OSHA analysis (in some cases)
Analyze Findings (cause)
• Site analysis (soils)• Drainage• Component parts• Research products• Structural analysis (engineering
review)
Did a product fail? Or, was it installed improperly? (Workmanship)
Tools
• Moisture meter
• Camera
• Laser level
• Bore scope
• Probes
• Infared camera
Present Findings
• Homeowner/Attorney (Plaintiff)
• Builder (Defense)• Information will
require multiple experts
• Insurance for defense does not cover workmanship
Damages From Problem
• Product
• Defense by supplier
Legal Action:
• Mediation
• Arbitration
• Trial
• Expert Witness
Foundation System
• Concrete is porous and sucks up water• Concrete slabs trap vapor…older construction has
no vapor barrier
Roofing System & Flashing• Common problem• Sequencing issues
Truss Roof Framing
House Enclosure SystemFloors and Walls• Minimum lbs per square foot• Bearing soil cannot be fill
House Enclosure System
Bill SlatteryBuilding Systems SpecialistRobert Johnson, PECivil EngineerAaron Broderick, PECivil Engineer
Phone 541.342.8441Fax 541.683.7420
b u i l d i n g s y s t e m s p e c i a l i s t s . c o m