using a minimum and maximum range of hours for each major job
function and the successful demonstration of identified competencies.
Wood Flooring Specialist
National Wood Flooring Association’s (NWFA)
Work Process Content
On the Job Training
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
General Health & Safety
0
50
Installation Safety
0
50
Evaluating the Jobsite
0
50
Environmental Conditions
0
50
Wood Subfloors
0
130
Concrete Subfloors
0
130
Moisture and Wood
0
130
Moisture Testing (Wood)
0
130
Moisture Control (Wood)
0
130
Moisture Testing (Concrete)
0
130
Moisture Control (Concrete)
0
130
Alternative Subfloor Systems Over Concrete
0
130
Layout
0
250
Installation Methods – Nail Down
0
450
Installation Methods – Glue Down
0
250
Installation Methods-Floating
0
230
Installation Methods-Existing Floors
0
250
Installation Methods-Cork, Bamboo & End Grain
0
250
Installation Methods-Herringbone/Parquet
0
250
Installation Methods-Borders & Medallions
0
250
Board Replacement/Repairs
0
250
Sand & Finish Safety
0
50
Abrasives
0
50
Sanding Equipment-Big Machine
0
450
Sanding Equipment-Edger
0
230
Sanding Equipment-Rotary Sander (Buffer)
0
230
Sanding Equipment-Multi-Head Sanders (Planetary machines)
0
230
Sanding Equipment-Dust Containment Systems (DCS)
0
50
Sanding Final Detailing
0
450
Filling
0
150
Stains/Colorants
0
230
Sealers and Finishes
0
230
Finishing Process
0
230
Maintenance & Customer Education
0
50
Related Instruction Content
Training Provider(s):
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
![organization logo](https://flowbite.com/docs/images/examples/image-1@2x.jpg)
General Health & Safety
25
• OSHA https://www.oshaeducationcenter.com/osha-10-hour-training/ • First Aid & CPR • Fire extinguishers (NWFAU Fire Extinguisher Safety course) • Jobsite (NWFAU Regulations Impacting the Wood Flooring Industry course)
Introduction to the Industry
5
• History of the trade • Hardwood industry supply chain • NWFA • Career options • Basic terminology • Intro trade math
Installation Safety
15
• Protect your body (NWFAU Safety Gear course) • Clothing • PPE (safety glasses, earplugs, dust masks/respirators, kneepads…) • Tool Safety/Operation/Maintenance (NWFAU Tool Safety courses) o Hand tools o Table Saw o Circular Saw o Miter Saw o Router o Pneumatics
Evaluating the Jobsite
15
• History • Documentation • Evaluating the Exterior of the Home (NWFAU Evaluating the Exterior of the Home course) • Evaluating the Structure of the Home (NWFAU Evaluating the Structure of the Home course) o Foundation o Slab on Grade o Elevated Slabs o Crawlspace o Basement • Joists o Span Requirements • Jobsite checklist
Environmental Conditions
10
• HVAC o Heating Systems o Cooling Systems o Humidifiers/De-Humidifiers o Temporary systems • Temp & RH (NWFAU Evaluating the Environmental Conditions of the Home course) o Geographic Moisture content o EMC Chart o Interior/Exterior relationships • Ambient Conditions
Wood Subfloors
15
• Wood Subfloors Subfloor material (NWFAU Evaluating Substrates: Wood Subfloors course) o Plywood o OSB o APA Sheathing Rating o Installation requirements o Flatness Requirements o Particle Board o Solid board
Concrete Subfloors
15
• Introduction to Concrete (NWFAU Concrete Basics course) (NWFAU Moisture & Concrete course) o Water in Concrete Mix o Water/Cement ratio o External Sources of Moisture in Concrete • Concrete Identification(NWFAU Evaluating Substrates: Concrete Subfloors course) o On-grade o Suspended a. On a pan b. Exposed on 2 sides o Below-grade o Age o Slab thickness o Concrete Permeability o Lightweight Requirements • Concrete Preparation o CSP scale o Scarification o Crack isolation /Expansion gaps o Patches o Spot repairs o Flatness Requirements o Grinding and filling a. Self-levelers b. Primers o Concrete conditions o Curing compounds o Efflorescence o pH • Moisture Control Systems • Sheet Goods • Chemical Moisture retarders • Moisture Barriers below slab
Moisture and Wood
10
• Anatomy of wood (NWFAU Basic Tree Anatomy course) • Harvesting, sawing and seasoning of lumber (NWFAU From the Forest to the Floor course) (NWFAU Solid Wood Flooring course) (NWFAU Engineered Wood Flooring course) • Moisture Content (NWFAU Moisture Content & Wood course) • Dimensional Stability and Grain angle • Equilibrium Moisture Content • Relative Humidity & Temperature • Acclimation/Conditioning (NWFAU Acclimation & Conditioning course) • Jobsite checklist • Moisture Mitigation
Moisture Testing (Wood)
10
• Moisture Meters & Testing (NWFAU Wood Moisture Testing course) • Oven Test Method (ASTM D4442) • Wood Moisture Meters o Pin Meters (Resistance) a. Insulated vs non-insulated b. Temperature Corrections c. Species Corrections d. Calibration e. Hammer Probes f. Drift g. Uses o Pinless Meters (non-invasive, scan, surface, dielectric) a. Power Loss, Capacitance b. Calibration c. Species Correction d. Uses o Thermo-Hygrometers a. Temperature and RH Testing b. Uses • Relationship with MC
Moisture Control (Wood)
10
• Vapor Retarders (NWFAU Wood Moisture Control course) o Definition of Vapor Permeance o Perm Ratings a. Class I- .1 perm or less b. Class II- .1 perm to 1.0 perm c. Class III- 1.0 perm to 10.0 perm o Sheet Goods
Moisture Testing (Concrete)
10
Quantitative Moisture Tests (NWFAU Concrete Moisture Testing course) • Calcium Chloride Test (ASTM 1869) o Moisture Vapor Emission Rates (MVER) o Process of Testing o Documentation of Readings • RH Test- In-situ Probes (ASTM 2170) o Relative Humidity in slab o Process o Documentation of Readings Qualitative Moisture Tests • Non-destructive Electronic Moisture Meter (ASTM 2659) o Survey Tools o Process o Documentation and significance of test • Plastic Sheet method (ASTM 4263) o Presence of capillary moisture) o Process o Documentation and significance of test • Other tests
Moisture Control (Concrete)
10
• Vapor Barriers/Retarders (NWFAU Concrete Moisture Control course) • Manufacturer systems • Concrete Primers and Sealers Specs and perm ratings • Adhesives
Alternative Subfloor Systems Over Concrete
10
(NWFAU Wood Subfloors Over Concrete course) Floated Subfloor System • Vapor Retarder requirements • Installation methods Glue Down Subfloor • Vapor Retarder requirements • Installation methods Nail Down Subfloor • Vapor Retarder requirements • Installation methods Alternate Subfloor System (16” x 8’ strips) • Vapor Retarder requirements • Installation methods Alternate Subfloor System (2’x8’ or 4’x4’ sections) • Vapor Retarder requirements • Installation methods Screed System (1”x4” or 2”x4” screeds) • Vapor Retarder requirements • Installation methods
Layout
15
(NWFAU Laying Out Working Lines course) • Center layout • General Trade Math (intermediate) • Trammel Points • Pythagorean Theorem (3,4,5) • Wall layout • Reversing direction • Slip tongue/spline • Jobsite layout/Gridding the job • Starter rows
Installation Methods – Nail Down
15
(NWFAU Nail-Down Installation course) • Solid • Engineered • Racking • Nailing Schedule • Fasteners (length, gauge, type) • Manual equipment • Pneumatic Nailers • Pneumatic Staplers • Air compressors and hoses • Pneumatic tool maintenance • Problems, Causes, Cures
Installation Methods – Glue Down
15
(NWFAU Glue-Down Installation course) • Glue Down Installations • History of adhesives • Trowels • Adhesives • Clean-up • Manufacturer systems (sealers, moisture inhibitors) • Problems, Causes, Cures
Installation Methods-Floating
15
(NWFAU Floating Installation course) • Floating • Engineered/Laminate • Underlayment Pads • Sound control Systems (NWFAU Sound Control course) • Transition moldings • Problems, Causes, Cures
Installation Methods-Existing Floors
15
• Existing Floors • Lacing in/out • Crooked floors • Tying 2 floors together- layout and sequence • Elevations • Health and Safety • Remodels • Insurance work • Finishes • Problems, Causes, Cures
Installation Methods-Cork, Bamboo & End Grain
15
Cork (NWFAU Cork as a Flooring Option course) • Anatomy and Harvesting • Sources • Floating installation methods • Glue down installation methods • Use as an underlayment • Sound control • Sanding and recoating cork • Problems, Causes, Cures Bamboo (NWFAU Bamboo as a Flooring Option course) • Anatomy and Harvesting • Sources • Floating installation methods • Glue down installation methods • Nail down installation methods • Sanding and recoating bamboo • Problems, Causes, Cures End-grain flooring • The cut • Species • installation methods • Sanding end-grain • Moisture relationships • Problems, Causes, Cures
Installation Methods-Herringbone/Parquet
15
(NWFAU Herringbone Layout course) (NWFAU Parquet Layout Installation course) • Trade Math (advanced) • Herringbone/Parquet • Layout • Installation method • Prefabricated patterns • Hand-made patterns • Jigs and templates • Ordering material • Species/material selection • Unfinished and Factory Finished • Problems, Causes, Cures
Installation Methods-Borders & Medallions
15
• Layout • Installing borders/feature strips • Installing medallions • Corners • Skirting • Prefabricated borders and medallions • Hand-cut borders and medallions • Measuring and ordering material • Unfinished and Factory Finished • Species/material selection
Board Replacement/Repairs
15
(NWFAU Board Replacement course) • Removal of board/s • Nail down replacement • Glue down replacement • Floated board replacement • Matching existing floor • Isolation repairs (scratches/dents) • Waxes, fill sticks, graining tools • Color theory • Finish repair (sheen, build, application) • Irregularities/Problems, Causes, Cures (NWFAU Moisture-Related Wood Floor Issues course)
Sand & Finish Safety
20
• Protect your body • Clothing • PPE (safety glasses, earplugs, dust masks/respirators, kneepads…) (NWFAU Safety Gear course) • Tool Safety/Operation/Maintenance (NWFAU Sanding Equipment Operation course) (NWFAU Sanding Equipment Maintenance course) • Hand tools • Electrical Safety (NWFAU Electrical Safety course) • Chemical Safety (NWFAU Volatile Organic Compounds course)
Abrasives
10
(NWFAU Abrasives course) • Sand paper • Grit Sequence • Belts • Disks • Screens • Mineral Grains
Sanding Equipment-Big Machine
15
(NWFAU Sanding Process Learning Path) • Storage • Safety • Belt sander/ Drum Sander • Settings • Operation • Use of abrasives • Dust Containment • Jobsite maintenance/repairs to Big Machine • Problems/Causes/Cures
Sanding Equipment-Edger
15
(NWFAU Sanding Process Learning Path) • Storage • Safety • Settings • Operation • Use of abrasives • Dust Containment • Jobsite maintenance/repairs • Problems/Causes/Cures
Sanding Equipment-Rotary Sander (Buffer)
15
(NWFAU Sanding Process Learning Path) • Driver Plates and pads • Safety • Storage • Operation • Abrasive selection • Dust Containment • Jobsite maintenance/repairs • Problems/Causes/Cures
Sanding Equipment-Multi-Head Sanders (Planetary machines)
15
(NWFAU Sanding Process Learning Path) • Storage • Safety • Operation • Abrasive Selection • Dust Containment • Jobsite maintenance/repairs
Sanding Equipment-Dust Containment Systems (DCS)
10
• Storage • Safety • Operation • Compatibility • Jobsite maintenance/repairs (NWFAU Sanding Jobsite Prepartion course)
Sanding Final Detailing
15
• Scrapers o Safety o Operation • Hand Sanding o Operation/Uses • Random Orbital Sanders o Safety o Operation
Filling
15
(NWFAU The Filling Process course) • Trowel Fill • Spot Fill • Putty, Flour Cement • Wood Dust mixes • Knots • Epoxy • Dutchmen/Slivers
Stains/Colorants
15
• Types of stains (oil and water) • Floor preparation • Stain application methods • Color • Safety • Spontaneous combustion • Dyes • Mineral reactives • Oils
Sealers and Finishes
15
• Safety Data Sheets • Types (NWFAU Chemical Properties of Wood Floor Finishes course) o Oil modified o Water Based o Shellacs o Urethanes o Conjugated Oils o Varnishes o UV/LED Cured o Natural Oils o Hard-wax Oils • Manufacturer Systems • Dry-time, Cure-time • Problems/Causes/Cures
Finishing Process
15
• Application Tools (NWFAU Finish Applicators course) • Application Procedures (NWFAU Finish Application Procedures course) • Preparation (NWFAU Finish Preparation course) • Final Coat application • Problems/Causes/Cures (NWFAU Recoating a Previously Finished Wood Floor course)
Maintenance & Customer Education
10
(NWFAU Importance of Maintenance & Educating the Customer course) (NWFAU General Maintenance for All Wood Floors course) (NWFAU Maintenance Products course) • Soft skills • Customer service • Selling after the install • Maintenance Coats • Problems, Causes and Cures (NWFAU Sanding, Filler & Finish Irregularities course) • Inspections