Maricopa Community Colleges  ABA155   19974-20002 
Official Course Description:   MCCCD Approval:  04/22/97  
ABA155      19974-20002 LEC 1.50 Credit(s) 1.50 Period(s)
Insulation, Gutters and Roof Flashing
Principles of thermal and acoustic insulation, types of installation and installation procedures. Drainage systems design and calculation of downspout, drain and gutter sizes. Weather sealing and use of roof flashing. Fabrication of drainage components and fabrication and installation of flashing components. Prerequisites: (Indentured status with the Arizona Builders Alliance) or permission of the apprenticeship coordinator.
 
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MCCCD Official Course Competencies:
 
ABA155   19974-20002 Insulation, Gutters and Roof Flashing
1. Explain the principles of thermal and acoustic insulation as they apply to the sheet metal industry. (I)
2. Describe the types of insulation commonly used in the sheet metal trade. (II)
3. Describe correct installation procedures for specific types of duct insulation. (III)
4. Describe specific principles of roof design and drainage systems. (IV)
5. Calculate specific downspout, drain, and gutter sizes. (V)
6. Fabricate selected drainage components. (VI)
7. Explain the principles of weather sealing and their application to architectural sheet metal work. (VII)
8. Demonstrate fabrication of selected flashing components. (VIII)
9. Describe installation procedures for specific flashing members. (IX)
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MCCCD Official Course Outline:
 
ABA155   19974-20002 Insulation, Gutters and Roof Flashing
    I. Principles of Insulation
        A. Thermal
          1. Retardation of heat flow
          2. Control of surface temperatures
          3. Reduction of temperature fluctuations
          4. Prevention of vapor condensation
        B. Acoustic
          1. Ductborne noise
          2. Vibration noise
      II. Insulation Types
          A. Thermal
            1. Flexible and semi-rigid
            2. Blanket
            3. Rigid
            4. Reflective
            5. Formed-in-place
          B. Acoustic
            1. Flexible duct liner
            2. Rigid plenum liner board
        III. Installation Procedures
            A. Non-mechanical fasteners
              1. Adhesive
              2. Tape
            B. Mechanical fasteners
              1. Staples
              2. Sheet metal screws
              3. Pop rivets
              4. Impact-applied pins
              5. Weld-secured fasteners
              6. Adhesive secured fasteners
            C. Installation standards
              1. Manufacturer's manuals
              2. Sheet Metal and Air Conditioning Contractors National Assoc.(SMACNA) manuals
            D. Special materials
              1. Fiberglass duct board
              2. Rigid round fiberglass duct
              3. Insulated flexible round fiberglass duct
              4. Flexible insulated metal duct
          IV. Roof Design and Drainage
              A. Factors
                1. Area to be drained
                2. Size of gutters, downspouts and outlets
                3. Slope of roof
                4. Type of building
                5. Appearance of system
              B. Design capacity - quantity of water
                1. Roof area
                2. Slope
                3. Intensity of rainfall
            V. Downspout and Gutter Sizing Calculations
                A. Downspouts
                  1. Roof size - square feet
                  2. Rainfall - inches/hour
                B. Drains and gutters
                  1. Slope - inches
                  2. Rainfall - inches/hour
                  3. Roof size - square feet
              VI. Fabrication
                  A. Conductor elbow
                    1. Tools and materials
                    2. Procedure
                  B. Rectangular conductor
                    1. Tools and materials
                    2. Procedure
                  C. Rectangular gutter
                    1. Tools and materials
                    2. Procedure
                  D. Rectangular downspout
                    1. Tools and materials
                    2. Procedure
                  E. Other
                VII. Weather Sealing
                    A. Built-up roofing systems
                      1. Decking
                      2. Vapor barrier
                      3. Insulation
                      4. Bitumen weather proofing aggregate
                    B. Flashing
                      1. Base
                      2. Cap or counter
                      3. Edging
                  VIII. Fabrication
                      A. Shingle roof flashing
                        1. Tools and materials
                        2. Materials
                      B. Chimney flashing
                        1. Tools and materials
                        2. Procedure
                      C. Metal coping
                        1. Tools and materials
                        2. Procedure
                    IX. Installing Chimney Flashing
                        A. Components
                          1. Apron
                          2. Base flashing
                          3. Counter flashing
                        B. Tools and materials
                        C. Procedure
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