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What is a roof? - Correct Answer the sheltering structure of a building that protects the interior spaces from natural elements. Is plywood an air barrier? - Correct Answer Yes Point of fixation on metal roof - Correct Answer How many hours to consider ponding water? - Correct Answer 48 hours What are the types of clay tiles? - Correct Answer What are types of slate? - Correct Answer What is APP vs SPS? - Correct Answer What are the heat welds requirements for thermoplastic? - Correct Answer Thermoplastic vs. Thermosets - Correct Answer Change directive vs. Change order - Correct Answer A change order requires agreement from the owner and other parties involved. A change directive is used to direct the contractor to perform additional work when there is not an agreement between the owner and contractor What is oil canning? - Correct Answer Oil canning is defined as the perceived waviness of a metal panel and is an inherent characteristic of light-gauge, cold- rolled flat metal products. What are the different types of seams for metal roofing? - Correct Answer Double lock seam, a symmetrical seam, a one-piece snap-lock and a two-piece snap- lock SSSMR vs. ASSMR - Correct Answer Structural Standing Seam Metal Roof Architectural Standing Steam Metal Roof What does SPUF stand for? - Correct Answer Spray in place Polyurethane Foam What does EPDM stand for? - Correct Answer ethylene propylene diene monomer Test cuts for single ply roofing? - Correct Answer What is the minimum nail penetration for shingles? - Correct Answer Clay tile exposure - Correct Answer What does ASTM D3617 read? - Correct Answer Standard practice for sampling and analysis of built up roofing system during application Aromatic vs. Aliphatic? - Correct Answer BUR test cut size - Correct Answer 2 in diameter Size of insulation boards - Correct Answer 48 in x 48 in 48 in x 96 in Asphalt per square = Ibs - Correct Answer Single ply pull test requirements - Correct Answer IRMA = ? - Correct Answer Inverted Roofing Membrane Assembly UL = ? - Correct Answer Underwriters Laboratories FM = ? - Correct Answer Factory Mutual Hydrokenetic vs. Hydrostatic - Correct Answer Hydrostatic roofs do not even require underlayment. On the other hand, hydrokinetic panels (also known as architectural panels) rely on gravity to shed rainwater, and therefore can only be installed on steeply sloped roofs LWIC deck minimum thickness - Correct Answer 2 inches EFVM = ? - Correct Answer Electric Field Vector Mapping ASCE-7 ASCE7-16 - Correct Answer Wind speed maps and risk categories What is a perm rating? - Correct Answer The unit telling the mass rate of water vapor flowing through 1 sq ft of material What is thermo- bridging - Correct Answer An area or component of an object which has higher thermo conductivity than the surrounding materials creating a path of least resistance for heat transfer Part 1 vs. Part 2 vs. Part 3 - Correct Answer What do the drawings show? - Correct Answer What is the main role of the RRO? - Correct Answer -Have proper training by discipline, or area(s) of expertise, or both, in order to meet the quality assurance demands of the project; -Observe timeliness of reporting issues and submission of reports; -Maintain objectivity in execution job duties; -Maintain consistency with inspections and reporting; -Have a complete and thorough understanding of the contract documents and the construction types or systems designed: -Note weather conditions, including precipitation and wind speeds; -Maintain a continuous record of job progress; -Observe and record conformance practices; -Record deviations and resolutions; -Maintain and record communications with the owner and general contractor and with subcontractors that have been designated to receive communications from the observer; -Record personnel who are present on the job or who visit; -Document the duration and date personnel are on-site; and -Review and report, but not approve, changes in work or materials. What should be installed over wood plank decking? - Correct Answer Base or separator sheet Membrane type of adhesive and seem tapes? - Correct Answer Counter flashing height above finished roof? - Correct Answer 8 in TPO vs. PVC vs. KEE - Correct Answer Thermoplastic Polyolefin Poly Vinyl Chloride Ketone Ethylene Ester Coding thickness of SPUF? - Correct Answer Between 20-30 mils Types of coding for SPUF? - Correct Answer What is line of fixity in metal roof installation? - Correct Answer Should be at the low eave and the panel should be allowed to expand/contract to and from the ridge Hail test for roofing - Correct Answer 4. Practice 5. Guide 6. Terminology What is the quote agreement? - Correct Answer Contract between the owner and the general contractor that outlines the details to work that is to be completed on the property Contract drawings vs. Resource drawings vs. As-built drawings - Correct Answer Descriptive vs. Proprietary - Correct Answer Payment bond vs. Performance bond - Correct Answer -Payment Bond: Protects certain laborers, material suppliers and subcontractors against non payment -Performance Bond: Secures the contractors promise to perform the contract in accordance with it's terms and conditions at the agreed upon price and within the time allowed What is a bid bond? - Correct Answer CHOP 2.3.9, Bid Bond The bid bond submitted by the contractor (bidder) guarantees that if the bid is accepted within the time period stated, the contractor will enter into a formal contract with the owner. If the contractor fails to enter into a contract, the surety will guarantee - up to the amount of the bid bond - to pay the difference in money between the amount of the contractor's bid and the amount for which the owner legally contacts with another contractor for the project. Bid bonds are usually between 5% and 10% of the estimated construction cost; on very large projects, 2.5% is considered and appropriate amount. List the different types of warranties and their differences - Correct Answer What is ice dam protection? - Correct Answer Insulation, ventilation and water- proofing shingle underlayment What is a valley? - Correct Answer A roof valley is formed where two roof slopes meet for water flow What is a drip edge? - Correct Answer Drip edges are metal sheets, usually shaped like an "L," installed at the edge of the roof. Direct water away from fascia into the gutter. What is minimum base flashing height per NRCA? - Correct Answer 8 inches What is the maximum gutter expansion joint spacing per smacna? - Correct Answer 40 ft Sealant joint depth to width ratio? - Correct Answer 2:1 IRC, ICC, LEED - Correct Answer -International Residential Code -International Code Counsel -Leadership in Energy and Environmental Design What is EVT? - Correct Answer The temperature at the point of application at which a bitumen attains the proper viscosity for built up membrane application 
