Roofing Practice Exam #1 Answered And Graded 2026/27

According to the architectural sheet metal manual, what is the minimum thickness of a 4" x 6" plain rectangular copper downspout? - Correct Answer 16 Oz When using step or channel flashing where a tile roof area intersects a side wall, NRCA recommends extending the flashing a minimum of ______ up the wall. - Correct Answer 4" inch When installing EPDM waterproofing, lay the membrane on the substrate or flat surface and allow it to relax for a minimum of ______ before use - Correct Answer 30 minutes Which of the following is not a potential problem of ponding water due to the lack of drainage on a low slope roof? - Correct Answer Membrane Seperation According to Roofing Construction and Estimating, how many bundles of No. 2 Tapersplit shakes are required per square of roofing when applied with 1/2" inch spacing and 7-1/2" exposure? - Correct Answer 6.67 Bundles Each self-supporting ladder shall be capable of supporting, without failure, _____ times the maximum intended load - Correct Answer 4 According to the architectural sheet metal manual, which of the following metals cannot be soldered? - Correct Answer Aluminum A roll of #15 roofing felt contains ____ factory squares and is _____ square feet. - Correct Answer 4; 324 A _______ provides a hidden method of anchorage to avoid the exposure of mechanical fasteners. - Correct Answer Cleat Buildings of four stories or more in height shall be provided a stairway access to the roof unless the roof slope is greater than ______. - Correct Answer 4: 12 According to Roofing Construction and Estimating, what is the most common type of solder used on sheet metal roofing? - Correct Answer 50-50 According to the NRCA, what is the maximum exposure recommenced when installing 18"inch wood shingles on a slope of 4:12? - Correct Answer 5-1/2" According to the Florida Building Code - Test Protocols for High-Velocity Hurricanes Zones, asphaltic shingles shall be fastened using _______ approved nails per shingle. - Correct Answer 6 The NRCA recommends _____ plies of asphalt built-up membrane to resist 10" of hydrostatic pressure head. - Correct Answer 3 What is the area of a plain rectangular downspout with actual dimensions of 3" x 4"? - Correct Answer 12.000 inches square What is the range of rib with for a wide rib steel deck? - Correct Answer 1-3/4" to 2-5/8" How many square feet will 5 bundles of 18" x3/8" shakes cover when applied with 1/2" spacing and an 8" exposure - Correct Answer 94 square feet According to roofing construction and Estimating, what in addition to underlayment is recommended to flash a full lace valley? - Correct Answer 36" wide roll roofing (50lbs or heavier) What is the minimum height for base flashing in a multi-ply membrane built-up roofing system? - Correct Answer 8" According the architectural sheet metal manual, standing seam roofs utilizing the pan method. and. field formed method are recommenced for roofs having a slope of ____ per foot or greater. - Correct Answer 1" According to roofing construction and estimating, when installing shingles across a valley, fasteners shall be a minimum of _____ from the centerline. - Correct Answer 6" According to NRCa, what is the approximate coverage per square for a 24", No. 1 wood shingle with the maximum exposure? - Correct Answer 100 square feet What is minimum thickness for galvanized steel valley lining material? - Correct Answer 0.0179" Which go the following is recommended for falling the open valley of a tile roof system over an unsealed underlayment system? - Correct Answer 26ga galvanized flashing, 2-1/2" water diverter and 1" water guards What is the average thickness of a piece of tapered insulation sloping from 2" to 6"? - Correct Answer 4" A construction site averages 165 employees per day. How many portable toilets are required to be on this jobsite? - Correct Answer 5 toilets What is the total cost, excluding tax, of 350 square feet of B&S gage 20 copper sheeting priced at $3.75 per pound? - Correct Answer $1,968.75 formula: 350sq x 1.5lb/sq x 3.75/lb = answer According to OSHA, each scaffold component shall be capable of supporting, without failure, _____ times the maximum intend load. - Correct Answer 4 According to the NRCA, which of the following roof coverings is acceptable to reroof without first removing the existing layer of roof covering down to the roof deck? - Correct Answer asphalt shingles According to NRCA, for re-cover installation of asphalt shingles, all of the following should precede installation of new materials except: - Correct Answer removal of securely attached shingles When reproofing over wood panel decks, holes in wood roof decks that are approximately 10 inches wide can be covered with ____ gauge steel and the steel plate must overlap the wood roof deck a minimum of _________ inches ad be secured with fasteners at 4 inches on center. - Correct Answer 24: 4 What type of nail should be used for a new roof with 24" taper split shakes? - Correct Answer 5d Where required for roof drainage, a scupper shall be placed ______ the roof surface in a wall or parapet. - Correct Answer level with According to the NRCA Roofing and. Waterproofing Manual, which of the following is NOT a subcategory of thermoplastic roof membranes? - Correct Answer ethylene propylene diene monomer All material chutes, at an angle of more than 45 degrees from the horizontal, shall be entirely enclosed and shall be provided with an opening not to exceed _____ in height measured along the wall of the chute. - Correct Answer 48" According to Roofing Construction & Estimating, you should install a galvanized iron cricket on the upper side of a chimney with a horizontal width greater than _____. - Correct Answer 48" Liquid-applied neoprene coating at joints in roof systems can be reinforced with - Correct Answer fiberglass Asphalt shingles shall only be used on roof slopes of ______ or greater. - Correct Answer 28 feet According to the Florida Building Code- Test Protocols for High Velocity Hurricane zones, steel roof panels shall not exceed ______ of continuous length. - Correct Answer 45 feet How should metal flashing at the edge of flat roofs be attached? - Correct Answer nailed in two rows on 3" to 4" centers What are the two common industry approaches used for determine thermal resistance of tapered insulation system? - Correct Answer average R-value and minimum R- value According to Florida Building Code, in high velocity hurricane zones, what is the maximum roof slope at which a loose laid ballast system can be used? - Correct Answer they are not allowed The rate of water vapor transmission per unit area at a steady state through a membrane is known as: - Correct Answer permeance According to Walker's Building Estimator's Reference Book, roofing felt is furnished in four square rolls containing ________ square feet. - Correct Answer 432 Steel deck panels should be anchored to the support members with a maximum spacing ______ on c