Florida Roofing Trade Knowledge Practice Test

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• Drip edge metal for tile roof systems is recommended to be fabricated from which material?
• If a roof has 450 square feet of horizontal attic surface and no vapor barrier, how many net free vent square feet are required?
• A characteristic of mechanically attached roof membranes is they are subject to:
• Which unit expresses the nominal weight of sheet metal as given in the data?
• Which material is not recommended for re-cover on an existing asphalt T-lock roof?
• Toe boards are required along the edge of platforms when the height exceeds how many feet?
• Skylight frames should overlap the curb a minimum of how many inches to act as a counterflashing or require a separate counterflashing?
• In batten seam roofing, the maximum distance between battens is how many inches?
• Polymer-modified bitumen sheets under slope transition metal are typically compliant with which standard?
• The building dimensions given for the SMACNA calculation are 90 feet by 50 feet. Which dimension is longer?
• Crickets or saddles shall be installed on the ridge side of any chimney greater than how many inches?
• If a roof has 900 square feet of horizontal attic surface and no vapor barrier, how many net free vent square feet are required?
• What is another name for apex trim tile in roofing terminology?
• Thermoplastic single-ply roof coverings shall comply with which standard?
• All metal roofing shall be tested for wind-driven rain infiltration resistance in compliance with:
• What is the recommended R-value for a 1 inch thick polyisocyanurate insulation in cooling conditions?
• Under the rule of thumb for attic ventilation, one square foot of net free vent opening is allowed for every how many square feet of horizontal attic surface when there is no vapor barrier?
• The alloying of stabilizers, biocides, polymeric plasticizers and antioxidants with PVC compounds produces which product?
• Polymer-modified bitumen adhered single-ply membrane systems are generally required at intervals of what range?
• The nails specified for square butt strip shingles are made of which material?
• Joints that occur at laps where three single-ply sheets intersect are called?
• Stationary louver blades should be pitched a minimum angle of?
• Flashing grade adhesives are typically used to bond membrane flashings to which substrate?
• What is the typical thickness range for Ethylene Interpolymer sheets?
• One of the principal components in constructing liquid-applied roof membranes is what?
• To form flat seams on long panels, the long edges are turned back about how many inches?
• According to NRCA guidance, what gauge or heavier should steel panel roof decks be?
• NRCA clay tiles are fired in kilns at temperatures within which range?
• A mechanically fastened EPDM roofing crew can typically place how many squares per day?
• For tile roofing, when should valley metal be extended to the top of the tile?
• In HVHZ, lead flashing shall not be less than how many inches?
• Which standard applies to Ketone Ethylene Ester sheets used as a single-ply membrane?
• Which flashing is used at the intersection of a roof area and a vertical side wall with end-of-course flashing pieces?
• Minimum aluminum thickness for metal flashing according to the Florida Building Code?
• In the built-in gutter example, what gauge is the stainless steel downspout?
• Which of the following standards should be specified for asphalt felt underlayment used with tile roof systems?
• According to Table 1-3 in the example, the plain round scupper size is which dimension in inches?
• Which slope is indicated for thermoset single-ply membranes as not less than?
• Which insulation material has an R-value of 3.44 per inch in the standard cited?
• Field lap seams when installing EPDM are typically constructed with what?
• Asphalt felt underlayment used in tile roof systems should comply with which standard and type?
• Which of the following is not a standard for APP polymer-modified bitumen sheets?
• 1 perm equals which of the following?
• Which steel is one of the oldest and most common metallic-coated metals?
• Metal base flashing is not recommended for use with which system?
• Which sheet material is the only thermoset material commonly used in constructing single-ply roof membranes in North America?
• Which standard governs wind-driven rain infiltration resistance for metal roofing?
• Horizontal grade roof cements are used for embedding metal flashing flanges and forming seals at what?
• In the SMACNA calculation example, the required plain round scupper is how many inches?
• What is the weight density of water in pounds per cubic foot?
• If a roof leaks, it most likely leaks at which location?
• According to Walker's, what factor determines the end lap length for metal siding laid on roofs?
• What is the weight of 0.5 cubic feet of water in pounds?
• What is the minimum stationary louver blade pitch angle?
• Galvanized coating refers to which type of coating on steel?
• The maximum intended load for a pump jack scaffold between poles is set by which organization?
• According to the Florida Building Code, which of the following is an example of a Class A roof covering?
• Which gauge is specified as the minimum for steel deck panels per NRCA guidance?
• What is the R-value of cellular-glass board insulation?
• In systems-engineered metal buildings, rigid frames shall have ___ or the number of bolts specified by the manufacturer installed and tightened on both side of the web adjacent to each flange before hoisting equipment is released.
• Metal roof shingles shall not be installed on roof slopes below which value?
• In the SMACNA example, what is the initial flat area before adjustments?
• When polymer-modified bitumen membrane materials are specified to be installed in hot bitumen, the EVT temperature range recommendation?
• When applied in hot asphalt or cold adhesive, no insulation panel's dimensions shall be greater than?
• What is the result of dividing 1,237.5 by 110?
• Waterstops are typically installed by a:
• When possible, all plies should be installed in which fashion?
• Waterstops are typically installed by which tradesperson?
• What is the maximum distance between the expansion joint and downspouts for a built-in gutter with a 24-gauge stainless steel downspout and 12' gutter width?
• What is a discontinuous roofing system?
• What is the name of the application method when plies are laid parallel to the slope due to steep slope?
• In the built-in gutter example, what is the width of the gutter bottom?
• In HVHZ, re-cover applications shall not take place over which existing material?
• Fishmouths in membrane roofing are caused by what condition?
• The material typically installed beneath slope transition metals is which type of sheet?
• A toe board shall be erected along the edge of platforms when the height is more than how many feet?
• In the described case, how many downspouts are required at the four corners of the building?
• Which steel is one of the oldest and most common metallic-coated metals?
• Strapping the plies should be considered when the slope is greater than what decimal value?
• Ends of roof panels turned up at hips and ridges form which feature?
• What is the minimum thickness of aluminum flashing according to the Florida Building Code?
• Which organization provides the guideline that the maximum distance between an expansion joint and a downspout is 25 feet?
• What happens to singly-ply thermoplastic membranes when exposed to heat?
• Which metal cannot be soldered?
• Waterstops in concrete construction are typically installed by which trade?
• What is defined as the pressure produced by the weight of liquid water against the foundation walls and slabs of a structure?
• The front rim of a gutter must be ___ below the back edge and it should be below the nailers used to elevate the roof edge
• What is the typical length of nails used for square butt strip shingles?
• The lift coefficient for concrete and clay tile is stated as which value?
• When laying square butt strip shingles, which nails are recommended in terms of material, size, and head diameter?
• Special Kraft-faced fiberglass batts come in two thicknesses and are what size?
• After applying the rainfall factor, what is the adjusted flat area?
• Ridge caps over standing seam roofs are often installed over what spacing to provide ridge venting?
• Elastomeric traffic coatings should conform to which standard?
• Which statement correctly describes the minimum angle for stationary louver blades?
• What is the maximum spacing for attachment points on steel deck panels anchored to supporting members?
• Which statement is true about polymer-modified bitumen adhesives?
• The lift coefficient for concrete and clay tile shall be:
• At least how many weights of polymer-modified bitumen base sheets are common?
• Another name for a prefabricated apex trim tile is?
• Which statement correctly matches a roofing-related specification?
• EPS insulation is not compatible with hot asphalt above what temperature?
• Polymer-modified bitumen adhesives are typically produced in how many grades?
• Slope transition metal is typically laid over polymer modified bitumen sheets which are what compliant?
• What is the weight of 2 square feet of 22-gauge stainless steel?
• Valley flashing for metal roof shingles shall extend at least how many inches from the valley centerline on each side?
• Valley flashing extending 8 inches from the centerline on each side results in a total extension of how many inches across both sides?
• According to the FBC, packages and containers of foam plastic insulation delivered to the jobsite shall bear the label of an approved agency showing which information?
• What is the minimum slope required for a sprayed polyurethane roof?
• What is the biggest problem with mineral-surfaced roll roofing?
• Per Roofing Construction and Estimating, back nailing is used for what purpose?
• In below-grade waterproofing scenarios with compacted earth and a non-reinforced concrete slab, which membrane is not permitted before installation?
• Before they are installed, polymer-modified bitumen sheets should be:
• According to Walker's, when metal siding is laid on roofs, the end lap should be how many inches?
• What is the minimum design slope for liquid-applied roofs according to the Florida Building Code?
• Which tile fastener material cannot be used in coastal building zones?
• The most popular metal shingles are made from aluminum of what thickness?
• Which statement best describes the recommended plies installation when feasible?
• What is the raised feature created when turning up roof panel ends at hips and ridges?
• A GFCI (Ground-Fault Circuit Interrupter) protects whom in a workplace setting?
• Which is not a physical property once liquid-applied roof membranes are cured?
• In the flashing of a chimney, the counter flashing should always be wide enough to cover how many inches of base flashing?
• What is the slope of the roof as described in the example, in inches per foot?
• The aluminum zinc coated steel flashing minimum thickness is specified as 0.0179 inches. Which option correctly identifies this specification?
• What is the nominal weight of 22-gauge stainless steel?
• What is required to provide resistance against wind uplift in a loose-laid EPDM single-ply system?
• Compared to dark-surfaced roofing, aluminum coating on roofs reduces heat load by what percentage?
• The aggregate area limit for penthouses and rooftop structures is expressed as what percentage of the supporting roof area?
• Who is responsible for requiring the wearing of appropriate personal protective equipment?
• Which of the following may not be used when waterproofing slabs below grade where compacted earth, non-reinforced concrete slab is in place before installation of the membrane?
• Per NRCA, coal tar pitch can be used on slopes up to:
• The recommended minimum construction material for a conductor head is:
• The two general types of APP polymer bitumen sheets are which of the following?
• For roof-mounted equipment in HVHZ, what is the minimum leg height required for equipment with a width of 42 inches?
• The aggregate area of penthouses and other roof top structures shall not exceed:
• Which standard is applicable to Ketone Ethylene Ester sheets used as single-ply membrane?
• When counter flashing is installed into a reglet, what is the recommended minimum galvanized steel gauge for fabrication?
• What is the thermal value per inch of thickness for polyisocyanurate roof insulation?
• Which statement best describes the common weights of polymer-modified bitumen base sheets?
• Roof tile mortar shall be a premixed unit having product approval and test in compliance with which standard?
• What is the head size of the nails used for square butt strip shingles?
• Galvanized steel with a coefficient of thermal expansion of 0.0000067 will increase in length by how much for a 10-foot length with a 100°F temperature rise?
• Flashing grade adhesives are typically used to bond membrane flashings to vertical substrates. Which option best reflects this statement?
• SBS polymer-modified base sheets should not meet or exceed the requirements of which standard?
• In HVHZ zones, roof tile systems, combining mechanically fastened tile and mortar and/or adhesive shall be required for roofs greater than:
• Modified bitumen membrane roofs shall have a design slope of not less than:
• The attic ventilation calculation applies only when there is no vapor barrier. True or False?
• The most popular metal shingles are made from which material and thickness?
• Saddle flashings must be flanged how many inches up the wall and chimney and how many inches onto the roof?
• How many plies of coal tar built-membrane are needed to waterproof a wall when the hydrostatic pressure is 49 feet?
• TAS 123 is a standard associated with which roofing component?
• Which of the following is not a standard for SBS polymer-modified bitumen sheets?
• What is the coefficient of thermal expansion used to calculate length change for galvanized steel in the given example?
• If EPDM roofing is installed at 35 squares per day, how many squares are installed in 4 days?
• Expansion joints on a Bermuda type roof should be used at least every how many feet?
• NRCA clay tiles are fired in kilns at temperatures ranging from:
• According to OSHA, what is the maximum intended load for a pump jack scaffold between poles?
• What is the name of the flashing used where a roof area intersects a vertical side wall, with individual pieces of metal flashing installed at the end of each shingle course?
• Which gauge thickness is recommended when fabricating counter flashing for reglets?
• When flashing is of aluminum zinc coated steel, the minimum thickness shall be what value in inches?
• Counter flashing receivers in systems should be made of which material and thickness?
• On a sloping roof penetration, how far should the flashing flange extend onto the roof?
• Which standard governs the compatibility of SBS polymer-modified base sheets in the guidelines?
• Which EVT condition applies when polymer-modified bitumen membranes are installed in hot bitumen?
• The gutter front rim clearance below the back edge is specified as which distance?
• OSHA requires a stairway or ladder at all access points where there is a break in elevation of how many inches or more, if no ramp, runway, sloped embankment, or personnel hoist is provided?
• Ridge caps over standing seam roofs are often installed over which spacing to provide ridge venting?
• CPA sheets are produced by alloying PVC with which additives?
• Thermoset single-ply membrane roofs shall have a design slope of not less than what ratio?
• Special Kraft-faced fiberglass batt insulation comes in how many thickness options?
• What is the approximate thickness of copper weighing 32 oz with a B&S gauge of 17?
• Vertical displacement is a characteristic of which roof membrane attachment method?
• In clay and concrete tile roof systems using double layer underlayments, end laps should be a minimum of?
• Stationary louver blades should be pitched a minimum angle of:
• Roof area dividers are raised curbs attached to the structural deck and then properly flashed. What are these features called?
• The Ethylene Interpolymer sheet thickness range commonly cited is which of the following mils?
• Which of the following is not a bitumen used for built-up membrane systems (BUR)?
• NRCA states that when the roof slope is greater than 2:12, plies should be laid parallel to the slope. What is this technique called?