Florida Roofing Trade Knowledge Test Prep (GCS) Questions And Quality Verified Answers

Who is responsible for requiring the wearing of appropriate personal protective equipment? REFERENCE: OSHA - 1926.28(a) - Correct Answer The employer Valley flashing for metal roof shingles shall extend at least: REFERENCE: FBC-B 2020/.5.7 - Correct Answer 8 inches from the centerline each way How many plies of coal tar built-membrane are needed to waterproof a wall when the hydrostatic pressure is 49 feet? REFERENCE: NRCA-2020-WATERPROOF-PG.43 & 44 - Correct Answer 3 On counter flashing systems, flashing receivers should be: REFERENCE: SMACNA-PG.4.6 - Correct Answer 16 oz. copper A roofing crew should be able to place ___ squares per day of mechanically fastened EPDM roofing. REFERENCE: WALKERS 31ST - PG.825 - Correct Answer 35 In batten seam roofing, the recommended MAXIMUM distance between battens is: REFERENCE: SMACNA-(7th)-PG. 6.18 - Correct Answer 20 inches In a HVHZ, no re-cover applications shall take place over which of the following existing materials? REFERENCE: FBC-B 2020/.16 - Correct Answer Wood shingles It is recommended that drip edge metal for tile roof systems be fabricated from: REFERENCE: NRCA Steep Slope (2021) PG. 226 - Correct Answer 16 oz copper A gallon of water weighs: REFERENCE: NRCA-2020-WATERPROOFING - PG. 30 - Correct Answer 62.4 lbs per cubic foot What is the nominal weight of 22-gage stainless steel? REFERENCE: SMACNA-(7th) - PG. A.3 - TABLE A-4 - Correct Answer 1.31 lb. /ft2 On a sloping roof penetration extend the flashing flange a minimum of: REFERENCE: SMACNA-(7th) -PG. 8.24 - Correct Answer 4 inches onto the roof Special Kraft-faced fiberglass batts come in two thicknesses and are: REFERENCE: RCE-PG. 350 - Correct Answer 24 inches wide and 48 inches long Per NRCA, skylight frames should overlap the curb a minimum of how many inches to act as a counterflashing or a separate counterflashing should be installed? REFERENCE: NRCA-METAL PANEL AND SPF - PG. 153 and PG. 165 (2016) and PG. 201 and PG. 440 (2020) - Correct Answer 3 inches Per NRCA, which of the following is not a bitumen used for built-up membrane systems (BUR)? REFERENCE: NRCA-2019-MEMBRANE-PG. 174 - Correct Answer Coal-tar system According to Walker's, when performed metal siding is laid on roofs, it should have an end lap of: REFERENCE: WALKERS-(31st) - PG. 811 - Correct Answer 3 to 6 inches depending on the pitch of the roof. Horizontal grade roof cements are used for embedding metal flashing flanges and forming seals at: REFERENCE: NRCA MEMBRANE 2019 PG. 194 - Correct Answer Penetrations What is the MINIMUM design slope for liquid-applied roofs according to the Florida Building Code? REFERENCE: FBC-B 2020 / .15.1 - Correct Answer 1/4:12 Slope transition metal is typically laid over polymer modified bitumen sheets which are: REFERENCE: NRCA-METAL PANEL & SPF - PG.134 (2020) - Correct Answer ASTM D1970 compliant What is the maximum distance between the expansion joint and downspouts for a built-in gutter with the following specifications? - 24-guage stainless steel downspout - 12' width of gutter bottom REFERENCE: SMACNA-(7th)- PG. 1.18 - Correct Answer 25 Feet In the flashing of a chimney, the counter flashing should always be wide enough to cover: REFERENCE: SMACNA (7th) - PG. 4.26 - Correct Answer 4 inches of base flashing The chemical and physical characteristics of singly-ply thermoplastic membranes allow them to repeatedly: REFERENCE: NRCA-2019-MEMBRANE PG. 200 - Correct Answer Soften when heated The alloying of stabilizers, biocides, polymeric plasticizers and antioxidants with PVC compounds produces? REFERENCE: NRCA-2019-MEMBRANE PG. 203 - Correct Answer CPA sheets Elastomeric traffic coatings should conform to what standard? REFERENCE: NRCA-2014-WATERPROOFING - PG. 49 - Correct Answer ASTM C957 According to NRCA clay tiles are fired in kilns at temperatures ranging from: REFERENCE: NRCA Steep Slope (2021) PG. 218 - Correct Answer 1,900F to 2,300F According to the Florida Building Code, what is the MINIMUM thickness of Aluminum used for metal flashing? REFERENCE: FBC-B 2020 / 2017 - TABLE 1503.2 - Correct Answer 0.024 inches Stationary louver blades should be pitched a minimum angle of: REFERENCE: SMACNA-PG. 9.4 - Correct Answer 45 degrees All metal roofing shall be tested for wind-driven rain infiltration resistance in compliance with: REFERENCE: FBC-B 2020 / .6.5.2.4.1 - Correct Answer TAS 100 What is the thermal value per inch of thickness for polyisocyanurate roof insulation? REFERENCE: NRCA-2019-MEMBRANE - PG. 149 - Correct Answer 5 The recommended minimum construction material for a conductor head is: REFERENCE: SMACNA-(7th)-PG. 1.60 - Correct Answer 26 ga. stainless steel In HVHZ zones, Roof tile systems, combining mechanically fastened tile and mortar and/or adhesive shall be required for roofs greater than: REFERENCE: FBC - TEST PROTOCOLS HVHZ - RAS No. 120, PG. 120.12, Note # 14. READ THE ENTIR