1 Exam Prep. Roofing Practice Exam 5

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1 1 Exam Prep Roofing Practice Exam 5 1. Mineral surfaced cap sheets should be unrolled and allowed to relax for how long? Eight hours Until soft and pliable Four hours Until flat 2. Roll roofing material used for valley flashing shall be installed with n 18 inch strip face down and a 36 inch strip face up 36 inch strip face up 36 inch strip face down and an 18 inch strip face down n 18 inch strip face up and a 36 inch strip face down 3. The first strip of mineral surfaced roll roofing used in open valley construction should be no wider than 1.5" 1.5' 3.0' 3.6" 4. sixteen ounce copper sheet 30 inches by 96 inches weighs how many pounds? The use of a vapor retarder is recommended when temperatures are expected to be below? 32 degrees F 40 degrees 40 degrees F 32 degrees 6. The two general categories of metal roofing systems are and Water shedding and water repellant rchitectural and field engineered Waterproof and water-resistant old-rolled and panel 1

2 7. The tanker temperature should always be less than how many degrees below the actual flash point of coal tar bitumen? When installing insulation board for cement-wood fiber decks, the maximum elevation difference allowed is 2" 1,, 1/2" 1/8" 9. Type "F" decking has flute spacing of 1 inch maximum 1 to 1 3/4 inches 1 3/4 to 2 5/8 inches 1 1/2 to 2 3/4 inches 10. Vapor retarders should be used to ontrol the flow of moisture vapor from the interior of the building into the roof system ontrol the flow of moisture vapor from the exterior of the building into the roof system Remove the moisture vapor from the interior of the building Remove the moisture vapor from the exterior of the building 11. The number of nails per square required for slate measuring 10 inches by 10 inches laid with a 3-inch lap using two nails for each piece of slate is The maximum length of a gutter between expansion joints is 50 feet 100 feet 75 feet 25 feet 2

3 13. six-inch downspout requires a minimum splash pan back height of 6 inches 8 inches 10 inches 12 inches 14. The recommended gage for galvanized steel when used for reglet installation is.0220 inches.0179 inches.0299 inches.0320 inches 15. Pans installed with cleats should be ouble nailed ouble nailed every 24 inches Single nailed every 12 inches Single nailed every 24 inches 16. ownspouts shall discharge how many feet away from the building? Fasteners shall penetrate through the roofing material and at least how far into or through the roof sheathing? 1/2 inch 3/5 inch 3/4 inch 7/8 inch 18. The minimum thickness for aluminum valley lining material is Ventilators must be located within how many inches of the ridge to be ridge vents?

4 20. roof with a rise and run of 5 in 12, Number 1 grade shingles of naturally durable wood 18 inches long requires inches exposure. 5 1/ /2 21. Underlayment for roof tile must conform to STM "" Overflow scuppers must be installed at least how many inches above the finished roof covering? Interlocking metal sheets having installed weather exposure of less than 3 square feet are? Metal roof shingles Metal roof panels Modified rolls Interlayments 24. The minimum rise and run for slate shingles is 3/11 4/12 5/12 3/ Tin caps shall not be more than how many inches in diameter? In HVHZ areas asphalt starter courses shall be installed in strips of cold adhesive how many inches wide?

5 27. When completion of a PUF is accomplished, an inspection shall be conducted by the ontractor uilding Official Owner Manufacturer 28. For P 48/24 sheathing the number of required panel clips between supports is? The clipping of shingles at a 45-degree angle is Smart ode Flubbing ubbing 30. When flashing soil stacks it is permissible to ut a lead sleeve flush with the top of the vent pipe ut a lead sleeve 4 inches longer than the vent pipe ut the lead sleeve below the vent pipe Install a counterflashing lead cover with a hole no less than one inch smaller than the vent opening 31. Reroofing over old wood shingles requires nails how long? 1 inch 2 inches 1 1/2 inches 8 inches 32. The number of bundles per square for straight-split red cedar shakes measuring 18 inches by 3/8 inches is

6 33. The number of bundles of shakes required per square with 1/2 inch spacing, 11 '/2 inch exposure use number one straight split true edge shakes is The type of mortar to be used when setting tile is M N S The masonry trowel recommended for tile installation is 12 inches 10 inches 8 inches 6 inches 36. The maximum wind velocity is not greater than 100 mph. The roof height is 30 feet to the ridge. The eaves course which of the following? Nail and clip Nail only lip only 2 12d nails 37. The required depth of ribs when using metal decking for a UR substrate is 1 inch 1/2 inch 1 1/2 inches 2 inches 38. Tile installation on slopes 2 1/2 in 12 re not allowed Require mortar Require nails and clips Require 2 ply sealed underlayment 39. Taper-sawn 24-inch shakes on a new roof system require what type of nails? 3d 4d 5d 6d 6

7 40. rafter extending diagonally from an outside corner of a building to a ridge board is a Valley rafter Hip rafter Jack rafter Support rafter 41. The number of 3-tab fiberglass shingle squares necessary to shingle the roof is ase flashing costs $2.83 per lineal foot. ssume a sales tax of 6.5 percent and an installation fee of $14.95 per hour per person. The total cost to complete the base flashing using a two-man crew is. The crew requires three hours to complete the job. $ $ $ $ How many rolls of 15 pound felt are required for the shingle portion of the roof? Insulation boards measure 4' x 8'. The number of boards required for the roof deck is ssume all measurements are to the outside ap flashing is sold in galvanized sheets measuring 36" x 120". ssume the parapet wall cap to be girthed at 18". The sheets required to complete the parapet wall are ssume all measurements are to the outside

8 46. The built-up roof deck covering the steel deck will be 4-ply built-up. ll areas with roof insulation are to be mopped at a rate of 25 pounds per ply per square. The tons of asphalt necessary to complete the roof are? ssume all measurements are to the outside ase ply fasteners are installed at a rate of 80 fasteners per square. How many fasteners are required for the built-up roof deck covering the steel deck ssume all measurements are to the outside. 3,920 3,668 3,980 6, rown river gravel will be installed over the built-up deck covering the plywood deck at a rate of 400 pounds per square. How many tons are necessary to complete the job ssume all measurements are to the outside The total length of eave drip required for the project is The total number of sheets of galvanized metal, 36" x 120" needed to fabricate the gravel stop for the plywood deck is ssume gravel stop to measure 12" The total length of cant strip is. ssume all measurements are to the outside

9 52. Ten sheets of 16 ounce copper 10' x 30' weigh pounds. 3,000 4,000 5,000 6, Preformed corrugated steel when laid on roofs should have an end lap of inches depending upon the pitch of the roof. 9 to 10 8 to 9 7 to 8 3 to 6

10 .10'..10'. 1/2 10' 60' / Unit Typical 20' 5/2 2/2 N 4/2 3/2 20' 130'

11 P FLSHING 12" etail 1-2 NT STRIP,- MEMRNE FLSHING f UILT UP ROOF INSULTION STEEL 2 LYERS EK FIERGLSS SHINGLES EVE,- RIP ETIL 2-2 UILT UP ROOF... GRVEL -.1 STOP ETIL 3-2 PLYWOO EK EVE METL SE FLSHING - UILT UP ROOF-.1. 1,37/ [ deul.-tr FIERGLSS, SHINGLES' ) - PLYWOO EK... ETIL / FIERGLSS SHINGLES P 12" FLSHING I PRON FLSHING., 12 ETIL 5-2 I NT STRIP /- MEMRNE FLSHING UILT UP ROOF INSULTION STEEL EK 2 LYERS 11

12 NSWER KEY 5 1 NR Membrane Roof Systems, Roofing onstruction and Estimating 68 3 Roofing onstruction and Estimating 68 4 Walker's uilding Estimator's Reference ook NR rchitectural Metal Flashing, NR Membrane Roof Systems, NR Membrane Roof Systems, NR Membrane Roof Systems, NR Membrane Roof Systems, NR Membrane Roof Systems, Walker's uilding Estimator's Reference ook SMN rchitectural Sheet Metal Manual, 7th Edition SMN rchitectural Sheet Metal Manual, 7 th Edition SMN rchitectural Sheet Metal Manual, 7 th Edition 4.6/.1 15 SMN rchitectural Sheet Metal Manual, 7 th Edition Florida uilding ode, uilding, Florida uilding ode, uilding, Florida uilding ode, uilding, 2010 Table Florida uilding ode, uilding, 2010 Page Florida uilding ode, uilding, 2010 Table Florida uilding ode, uilding, Florida uilding ode, uilding, Florida uilding ode, uilding, 2010 Page Florida uilding ode, uilding, Florida uilding ode, uilding, Florida uilding ode, uilding, Florida uilding ode, uilding, Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating

13 32 Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Roofing onstruction and Estimating Walker's uilding Estimator's Reference ook 1087 # x L x W x Factor = Squares Step 1: 1 x 110 x 10 = 1,100 Step 2: 2 x 60 x 10 = ,300 x = Step 1: L x ost PLF + Sales Tax = Material ost 130 x % = Step 2: Persons x ost per Hour x Hours = Labor ost In rew To omplete 2 x x 3 = Step 3: Step 1 + Step 2 = Total ost = Walker's uilding Estimator's Reference ook 1087 # x L x W x Factor = Rolls Step 1: 1 x 110 x 10 = 1100 Step 2: 2 x 60 x 10 = x = # x L x W Square Feet Per oard x Layers = oards Step 1: 1 x 108 x 48 = 5,184 Step 2: 3 x 20 x 10 = (600) 4, x 2 = L x W + overage Per Sheet = Sheets x 2-4 x = 15.8

14 46 #x L xw x # Plies x Rate Per Square = Tons Step 1: 1 x 108 x 48 = 5,184 Step 2: 3 x 20 x 10 = (600) 4,584 x x = #x L x W 100 x # Per Square = Total Step 1: 1 x 108 x 48 = 5,184 Step 2: 3 x 20 x 10 = (600) 4, x 80 = 3, L x W 100 x Pounds Per Square ± 2000 = Tons 130 x x = Walker's uilding Estimator's Reference ook 1087 Flat Length = 250 Gable Length 2 x 10 x = L Square Feet Per Sheet = Sheets 170 x 1 30 = L + W Wall Width = ant Length x 2 4 = # x L x W x WPF = Pounds 10 x 10 x 30 x 1 = 3, Walker's uilding Estimator's Reference ook 1108