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Roofers

Published
Time-Based Apprenticeship
Sponsoring Company:
Oregon & SW-WA Roofers & Waterproofers JATC
Industries
O*Net Code
47-2181.00
Rapids Code
0480
Req. Hours
3640
State
WA
Created
Jul 29, 2021
Updated
Jul 29, 2021

Time-Based Skills

6 skill sets | 46 total skills
General - 540 req. hrs
Identification of materials
Types of roofs
Carrying and placing materials for use of journeyperson
Erection of hoists
Hoisting, loading, and unloading all materials and tools
Proper clothing and personal protective (safety) equipment
Safe work practices
Fall protection
Built-up roofing, waterproofing and damp-proofing, composition, tar asphalt, and general work - 1300 req. hrs
Identification of equipment and materials
Regulating the heat of bitumen to roof surfaces; application of bitumen to roof surfaces
Preparing surfaces
Preparing, cutting, placing, fitting, and trimming strips of felt, other membranes, and insulation boards to surfaces
Applying additional layers of material as required
Flashing with bitumen or roof cement
Applying aggregates or ballast over composition and single-ply membranes
Installing liners for reservoirs and hazardous waste receptacles
Applying single-ply materials as waterproofing, damp-proofing, burn hazards
Steep roofing, slate, tile, shingles, and substitute materials - 360 req. hrs
Types of materials, including photovoltaic shingles
Underlayments
Punching nail holes, cutting and trimming slate, types of roofs and identification of hips, ridges, valleys
Sealing ridges
Flashing
Replacing broken or missing slates or shingles
Dangers of removing asbestos shingle roofs
Single-ply material - 900 req. hrs
Systems, including Polyvinyl chloride (PVC)
Ethylene propylene monomer (EPDM) systems
Chlorinated polyethylene (PE) systems
Chlorosulfonated polyethylene (CSPE or HYPALON) systems
Neoprene
Butyl rubbers
Polyisobutylene (PIB) systems
Ethylene interpolymers (EIP) systems
Modified systems
Fastening methods including termination and compression bars,
anchors, and mechanically attached or fully adhered systems
Ballast, pavers, walkways
Caulking, sealant
Reroofing - 360 req. hrs
Reroofing or recovering of existing buildings
Proper job set-up
Safe disposal of debris
Unique safety requirements
Other - 180 req. hrs
Butyl rubber (sheet and liquid), neoprene
Hypalon
Epoxy coatings, acrylic coatings, resin emulsions, plastic coatings and urethane foam
Safe work practices
Felt, wood, lumber, insulating board pitch, flashing cement, gravel, slag, precast tile blocks, cement mortar, grout, dilute acid solution

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