Examination Weightings

Pie chart of Red Seal examination weightings

This pie chart represents a breakdown of the interprovincial Red Seal examination. Percentages are based on the collective input from workers from the trade from across Canada. The Task Matrix on the next pages indicates the breakdown of tasks and sub-tasks within each Major Work Activity and the breakdown of questions assigned to the Tasks. The Interprovincial examination for this trade has 125 questions.

Roofer - Task matrix

MWA A – Performs common occupational skills - 18%

Task A-1 Performs safety-related functions 32%
- A-1.01 Maintains safe work environment
- A-1.02 Uses personal protective equipment (PPE) and safety equipment
Task A-2 Uses tools and equipment 30%
- A-2.01 Uses hand tools
- A-2.02 Uses power tools, pneumatic tools, and hot-air welding, induction and fuelled equipment
- A-2.03 Uses hoisting, lifting and rigging equipment
- A-2.04 Uses access equipment
- A-2.05 Uses hot process equipment
- A-2.06 Uses motorized equipment
Task A-3 Organizes Work 24%
- A-3.01 Uses documentation and reference materials
- A-3.02 Interprets blueprints and drawings
- A-3.03 Estimates material
- A-3.04 Assesses worksite conditions
- A-3.05 Positions equipment and material on the ground and on the roof
- A-3.06 Prepares material disposal systems
- A-3.07 Evaluates roof conditions near rooftop equipment installations
Task A-4 Uses communication and mentoring techniques 14%
- A-4.01 Uses communication techniques
- A-4.02 Uses mentoring techniques

MWA B – Prepares roof and deck - 14%

Task B-5 Prepares roof for replacement 53%
- B-5.01 Protects surrounding area
- B-5.02 Removes loose debris
- B-5.03 Removes roofing and flashings
- B-5.04 Prepares roof substrate
- B-5.05 Performs minor adjustments to penetrations, curbs and parapets
Task B-6 Prepares deck for roof installation 47%
- B-6.01 Inspects deck
- B-6.02 Cleans surface of deck
- B-6.03 Verifies placement of roof penetrations, curbs and parapets
- B-6.04 Dries deck

MWA C – Installs low slope roofing - 31%

Task C-7 Applies low slope roofing components 49%
- C-7.01 Installs support panels
- C-7.02 Primes substrate
- C-7.03 Applies vapour retarder, vapour barrier and air barrier
- C-7.04 Installs insulation
- C-7.05 Installs cover board
- C-7.06 Installs drains, vents, curbs and penetrations
- C-7.07 Applies ballast, walkways and protective surfaces
- C-7.08 Installs metal flashings
Task C-8 Applies low slope roofing membranes 51%
- C-8.01 Relaxes membranes
- C-8.02 Sets membranes
- C-8.03 Applies membranes using hot-liquid process
- C-8.04 Applies membranes using torched-on method
- C-8.05 Applies membranes using hot-air welding
- C-8.06 Applies membranes using cold applied methods
- C-8.07 Applies membranes using mechanical fasteners
- C-8.08 Applies loose-laid membranes
- C-8.09 Applies liquid-applied membranes
- C-8.10 Installs membrane flashings
- C-8.11 Installs temporary seals and temporary drains

MWA D – Installs steep slope roofing - 13%

Task D-9 Performs common steep slope practices 34%
- D-9.01 Installs steep slope underlayment
- D-9.02 Installs steep slope venting
- D-9.03 Installs steep slope valley applications
- D-9.04 Installs steep slope saddles/crickets
- D-9.05 Installs steep slope penetration flashings
Task D-10 Applies shingles 33%
- D-10.01 Determines layout of shingles
- D-10.02 Installs starter strip and starter course
- D-10.03 Fastens shingles
- D-10.04 Cuts shingles
- D-10.05 Tabs shingles
- D-10.06 Installs metal flashings for shingled roofs
Task D-11 Applies roof tiles 14%
- D-11.01 Installs battens/strapping for roof tiles
- D-11.02 Fastens roof tiles
- D-11.03 Cuts roof tiles
- D-11.04 Installs closure strips for roof tiles
- D-11.05 Installs ridge and hip caps
- D-11.06 Installs metal flashings for tiled roofs
Task D-12 Applies pre-formed metal roofing 19%
- D-12.01 Installs battens/strapping for pre-formed metal roofing
- D-12.02 Fastens pre-formed metal roofing
- D-12.03 Cuts sheet metal
- D-12.04 Installs closure strips for pre-formed metal roofing
- D-12.05 Installs snow guards
- D-12.06 Installs metal flashings for pre-formed metal roofs

MWA E – Waterproofs and damp-proofs surfaces - 10%

Task E-13 Waterproofs surfaces 65%
- E-13.01 Prepares waterproofing substrates
- E-13.02 Applies waterproofing membrane
- E-13.03 Installs green, sustainable, vegetative and protected membrane components
Task E-14 Damp-proofs surfaces 35%
- E-14.01 Applies damp-proofing materials
- E-14.02 Applies protection layer

MWA F – Assesses, maintains and repairs roof - 14%

Task F-15 Assesses roof condition 30%
- F-15.01 Performs roof inspections
- F-15.02 Performs cut test
- F-15.03 Determines maintenance or repair required
Task F-16 Maintains and repairs low slope roofing 42%
- F-16.01 Maintains low slope roofing
- F-16.02 Repairs low slope roofing
Task F-17 Maintains and repairs steep slope roofing 28%
- F-17.01 Maintains steep slope roofing
- F-17.02 Repairs steep slope roofing