Roofing Construction and Estimating Questions with
100% Verified Answers UPDATED!!!
according to roofing construction and estimating, the biggest
problem you'll have with mineral-surfaced roll roofing is its
tendency to - ANSWER buckle
as per roofing construction and estimating wood shingles
should be installed - ANSWER spaced 1/4 to 3/8 inch apart
when two or more layers of rigid roof insulation are used, the
upper layer should be installed with end and side joints
staggered at least ______________ from the bottom layer to
prevent bitumen from dripping into the building - ANSWER 6
inches
how many plies of waterproofing felts are required for a water
pressure head of 11-25 ft? - ANSWER 4
tapered rigid insulation usually comes in widths of - ANSWER 24
inches
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as per roofing construction and estimating, which of the
following is incompatible with a BUR system - ANSWER
polystyrene insulation
to keep water from getting under the shingles and seeping
under the drip edge, at eaves the drip edge should be installed -
ANSWER under the felt
according to roofing construction and estimating, when
installing mechanically fastened EPDM systems, overlap
adjacent EPDM sheets at least ____________, and offset joints
at least 12 inches - ANSWER 6 inches
according to roofing construction and estimating, when
installing roof tile at ridges, weep holes of what following
diameter should be installed through the mortar in every water
course? - ANSWER 1/8 inch
the optimum temperature to apply bitumen material so it will
stick properly and be waterproof is - ANSWER its EVT
(equiviscous temperature)
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according to roofing construction and estimating, it is possible
to install a _______________ over slopes as low as 2 1/2 inch
12 on a tile roof - ANSWER 1-ply sealed underlayment system
most asphalts have a flash point ranging from - ANSWER 437
degrees F to 500 degrees F
as per roofing construction and estimating, metal drip edge
should be a minimum of - ANSWER 28 gauge
to install a mechanically-fastened EPDM system, the
underlaying laps of each sheet should be secured under a cap
strip set in sealant and fastened to the deck, - ANSWER on 12-
inch centers
the Underwriters Laboratory (UL) is a non-profit organization
founded in 1894. They have the most widely accepted
standards for - ANSWER fire resistance of building materials
compared to dark-surfaced roofing, aluminum coating applied
to roofs reduces the heat load by - ANSWER 45%