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Course Outline
Welcome and Student Introductions
Wind Design
- Design wind loads
- Code requirements
- ASCE 7-22 (and earlier versions)
- com
- FM 1-28
- RoofNav rating calculator
- Wind resistance
- Code requirements
- Test methods
- Safety factors
Moisture Control and Vapor- and Air-barrier Usage
- Moisture mechanics of materials
- Examples of designs gone wrong
- Designing to prevent moisture accumulations
- Hygrothermal simulations (WUFI software)
Sustainability in Roofing
- Definitions
- Standards and codes
- Green building trends (why)
- Roofing certifications and ratings
- EPDs and HPDs in the roofing industry
- Sustainable practices
- Resilient design
UL and FM
- Background of code-approved testing and certification agencies
- UL Solutions
- UL test methods
- UL’s Product iQ
- FM Global-insured buildings
- FM Global Loss Prevention Data Sheets
- FM Approvals’ testing
- FM Approvals’ RoofNav
- Manufacturers’ private-label arrangements
Edge Metal Testing (ES-1 and GT-1)
- Code requirements
- ANSI/SPRI/FM 4435/ES-1
- ANSI/SPRI GT-1
- FM 4435
- NRCA’s edge metal testing and certifications
- Certification directory listings
Roof Design for Non-conventional Rooftop Uses
- Basics of roof design
- Basic components
- Application of theory to the reality of non-conventional roofs
- What
- Benefits / Why
- Cautions / Considerations
- Inverted roof assembly
- Vegetative roof
- Rooftop occupancies
- Roofs with helipads
- Rooftop PV systems
- Roofs on freezers
Legal Considerations in Roofing
- Liability in roofing
- Indemnification clauses
- Additional insured and insurance
- Manufacturer-contractor applicator agreements
- Warranties and warranty limitations
- Potential liability after the warranty period
- Statutes of limitations and statutes of repose
Lessons Learned
- Roof deck issues
- Moisture in structural concrete roof decks
- Moisture-related deterioration of plywood and OSB roof decks
- Insulation issues
- Moisture content and equilibrium moisture content
- Recycled cellulose facer sheets
- Facer delamination
- dimensional stability
- Polystyrene in PVC membrane roof systems
- XPS and standing water
- R-value loss
- Phenolic insulation
- Insulation board joint stagger
- Fastener and adhesive issues
- Low-rise foam
- Water-based adhesives
- Solvent-based adhesives
- Membrane issues
- EPDM shrinkage/laps
- PVC plasticizers
- TPO stabilizers
- Polymer-modified bitumen blending
- Cold welds
- Owner’s expectations
- Wind design
- Maintenance
- Inspections
- Leak chasing
- Safety