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Roofing Construction and Estimating Exam with Solutions, Exams of Engineering

West Virginia University (WVU)Engineering

A roofing construction and estimating exam with complete solutions. it covers various aspects of roofing, including material calculations, installation techniques for different roofing materials (asphalt shingles, wood shakes, epdm membranes, tiles), and safety standards. The questions delve into practical applications, requiring calculations and knowledge of specific building codes and industry best practices. This resource is valuable for students in construction management, architecture, or related fields.

Typology: Exams

2024/2025

Available from 05/27/2025

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Roofing Construction and Estimating
Exam with Complete Solutions
A factory square asphalt-saturated felt underlayment contains _____ square feet. -
ANSWER-108
A roofer is trying to estimate the amount of corrugated steel sheets needed for a 1,250
square foot roof with a 3" pitch. The specifications require the use of 27-1/2" wide
sheets that are 10' in length installed with a two corrugation side lap and a 6" end lap.
How many. sheets will be required to cover this roof? - ANSWER-65
A serrated wood shake pattern is created by: - ANSWER-offsetting shakes up or down
1" beginning with the second row
A UL-rated asphalt shingle is most widely accepted for _____ standards. - ANSWER-
fire resistance
According to roofing construction and estimating, if. you need more than one piece of
flashing over the length of a valley, lap the upper layer over the lower by at least _____
inches. - ANSWER-6
According to roofing construction and estimating, shingles on the upper end of an open
valley should be installed to within _______ on each side of the centerline of the valley.
- ANSWER-3"
According to roofing construction and estimating, test cuts should be _______ in size
and made at right angles to the felts in order to show that the felts have been properly
lapped and laid to correct exposure. - ANSWER-10" x 42"
According to roofing construction and estimating, the proper installation of shingles in a
woven valley requires that. the end of each shingle should extend at least ______.
beyond the valley centerline. - ANSWER-12"
According to roofing construction and estimating, Type _____ asphalt can be used on
slopes up to 6:12. - ANSWER-IV
According to roofing construction and estimating, what is the minimum gauge metal to
be used for drainage systems, gutters, and downspouts? - ANSWER-28
According to roofing construction and estimating, you should run a ridge vent to within
_____ of each end of the ridge. - ANSWER-18"
Adjacent course of wood shingles should offset a minimum of ______ when installed
over spaced sheathing - ANSWER-1-1/2"
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Roofing Construction and Estimating

Exam with Complete Solutions

A factory square asphalt-saturated felt underlayment contains _____ square feet. - ANSWER- A roofer is trying to estimate the amount of corrugated steel sheets needed for a 1, square foot roof with a 3" pitch. The specifications require the use of 27-1/2" wide sheets that are 10' in length installed with a two corrugation side lap and a 6" end lap. How many. sheets will be required to cover this roof? - ANSWER- A serrated wood shake pattern is created by: - ANSWER-offsetting shakes up or down 1" beginning with the second row A UL-rated asphalt shingle is most widely accepted for _____ standards. - ANSWER- fire resistance According to roofing construction and estimating, if. you need more than one piece of flashing over the length of a valley, lap the upper layer over the lower by at least _____ inches. - ANSWER- According to roofing construction and estimating, shingles on the upper end of an open valley should be installed to within _______ on each side of the centerline of the valley.

  • ANSWER-3" According to roofing construction and estimating, test cuts should be _______ in size and made at right angles to the felts in order to show that the felts have been properly lapped and laid to correct exposure. - ANSWER-10" x 42" According to roofing construction and estimating, the proper installation of shingles in a woven valley requires that. the end of each shingle should extend at least ______. beyond the valley centerline. - ANSWER-12" According to roofing construction and estimating, Type _____ asphalt can be used on slopes up to 6:12. - ANSWER-IV According to roofing construction and estimating, what is the minimum gauge metal to be used for drainage systems, gutters, and downspouts? - ANSWER- According to roofing construction and estimating, you should run a ridge vent to within _____ of each end of the ridge. - ANSWER-18" Adjacent course of wood shingles should offset a minimum of ______ when installed over spaced sheathing - ANSWER-1-1/2"

At what rate should mineral granules used as a surface aggregate be applied? - ANSWER-50 to 60 pounds per square Brush apply 1 gallon of approved lap cement per _______ when adhering 3" laps for an EPDM membrane system. - ANSWER-150 to 200 lineal feet Drip edge is installed at the eaves and rake to help shed water. Install drip edge _____ the felt at the eaves and ______ the felt at the rake. - ANSWER-under; over Dubbing shingles at an open valley directs water into the valley and not between the shingle courses, Shingles should be trimmed _______ from the upper corner at a 45 degree angle. - ANSWER-1" to 2" EDPM Sheets are available in what standard thicknesses? - ANSWER-.045 inch and .060inch EPDM membranes should be fastened to wood nailers at the roof perimeter, roof penetrations and at vertical abutments on ______ centers. - ANSWER-8" Flashing a chimney when installing roof tiles requires that the flashing extended _____ to each side of the chimney. - ANSWER-6" Flashing installed on a tile rood at a vertical wall over an unsealed underlayment should be installed continuous with a ______ water guard. - ANSWER-1" For back nailing the underlayment of a two-ply sealed system for tile roofing coverings use only tin tags or simplex nails spaced a minimum of _____ on center. - ANSWER- 12" How many shingles are required per square for four tab asphalt shingles 40"long and 13-1/4" wide? - ANSWER- If the horizontal width of chimney is greater than 24", installed a ______ above the chimney to help divert rainwater around the chimney. - ANSWER-wooden cricket Installation of job fabricated standing seams requires the use of cleats fastened to the deck. Cleats for terse metal planes are _______ wide and spaced on 12 inch centers. - ANSWER-2" Installing insolation over acoustical ceilings is accomplished with either R-11 or R- batts that are _____ in size. - ANSWER-24" X 48" Joints between prestressed concrete deck members should be sealed to prevent: - ANSWER-dripping of bitumen

The installation of shingles in a closed cut valley required the use of ____ fasteners at each end of the shingle when installed across the valley. - ANSWER-two The lapped portion of mechanically fastened EPDM systems should be secured under a termination bar set in sealant and mechanically fastened to the deck at ______ centers.

  • ANSWER-12" To allow for expansion when wet, space wood shakes _______ apart. - ANSWER-3/8" to 5/8" Valley flashing over annealed underlayment system for the roof should be: - ANSWER- galvanized metal flashing with a 2-1/2" water diverter and 1" water guard Watch for _______ when looking for a leak on a tile roof. - ANSWER-broken or missing tiles What is recommenced nail length when installing roll roofing on a new deck? - ANSWER-1" What is recommened nail to be used when installing 24" taper split wood shakes on a new roof? - ANSWER-5d box- 1-3/4" long What is the approximate coverage of one square of No. 1 straight split shakes with an 8" exposure? The shakes are manufactured from a. naturally durable wood and are 3/8" thick and 18" long. - ANSWER-94 square feet What is the maximum height allowed for the proper installation of an aggregate ballasted roof system? - ANSWER-80 feet What is the maximum number of layers of shingles that a typical roof can support? - ANSWER- What is the proper joint spacing when installing slate roofing? - ANSWER-notes than 3" and as near the center as possible What is the recommended space to be provided between end joints of plywood sheathing to allow for expansion? - ANSWER-1/16" What type of valley should be avoided where the two roofs forming the valley have different slopes? - ANSWER-open When fastening underlayment drive galvanized nails through 32ga tin caps that are minimum of ______ in diameter. - ANSWER-1-5/8" When installing a smooth surface roof, cover the roof surface with_____ gallons of vibrated aluminum coating per square. - ANSWER-1.

When installing concrete tiles at the ridge of an unsealed underlayment system, punch ______ weep. holes in the mortar beneath the ridge units. at every course. - ANSWER- 1/8" When installing drip edge, the installer should extend the drip the edge back over the roof deck no less than 3" and nail it on____ centers in high wind areas. - ANSWER-4" When installing gravel stops of roof slopes less than _____ prime both sides of the flashing. - ANSWER-1: When installing roof tiles on roofs with a slope of 7" in 12" or greater, the building code requires the installation of battens. When using the slotted batten system, _______ drain slots are placed _______ on center throughout the entire roof. - ANSWER-1/2";4' When installing strip shingles most manufacturers recommend that the starter course be installed with the: - ANSWER-factory applied adhesive strip When laid with a 3" lap, concrete tiles weigh approximately ______ pounds per square.

  • ANSWER- When mechanically installing EDPM sheets in a high wind area a _______ membrane thickness should be used/ - ANSWER-? answer needs to be checked When re roofing, sheet metal patches nailed to the deck are an acceptable means of repair for all of the following deck defects except: - ANSWER-rotted wood When repairing a blister in a built up roof, the repair patch should be ______ wider than the area of repair and placed into a _____ thick bed of cold applied mastic. - ANSWER- 6"; 1/8" When reproofing with asphalt shingles over existing asphalt shingles it is recommended that nails be between ______ in length to assume a minimum of 3/4" penetration into the sheathing. - ANSWER-1-1/2"- 2" Where is the most likely location of a roof leak? - ANSWER-valley Which method best describes how to load concrete roof tiles on the roof deck? - ANSWER-distribute concrete roof tiles throughout the roof and take special care not to overload the roof at the mid span of rafters Which of the following is NOT generally considered a purpose of underlayment? - ANSWER-provide a nonskid surface for roof covering application Which of the following is responsible for at least 23% of all roofing related injuries? - ANSWER-hot roofing materials