MICHIGAN ROOFING CORE EXAM STUDY
GUIDE 2026 COMPLETE QUESTIONS WITH
CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS
<RECENT VERSION>
1. 3 Asphalt shingle clasification - ANSWER ✔ Class A- Severe exposure to
fire, and is made from fiberglass
2. Class B- Moderate exposure to fire, usually made from asphalt
3. Class C- Light exposure to Fire
4. Flashing Location - ANSWER ✔ Should be installed at wall and roof
intersections.
5. Cricket or Saddle - ANSWER ✔ It should be installed on the ridge of a
chimney if more than 30 inches.
6. How many layers of underlayment on roof 2:12 - 4=3:12 pitch? - ANSWER
✔ Two layers. Apply 19-in stripe parallel to the eave and then apply the 36in
underlayment.
,7. How many layers of underlayment for roofs 4:12 and up? - ANSWER ✔
One layer
8. What fasteners to use? - ANSWER ✔ Should be galvanized steel, stainless
steel, aluminum. minium 12-guage shank with 3/8" head. should penetrate
more than 3/4 into sheathing.
9. how many fasteners per shingle? - ANSWER ✔ not less than 4
10.Sidewall flashing - ANSWER ✔ Should not be less than 4x4.
11.Drip edge - ANSWER ✔ Should be overlapped not less than 2in and should
not extend 1/4 in below the sheathing.
12.Wood shingles overhang` - ANSWER ✔ Should over hang farther than
asphalt shingles. They should extend beyound the fascia 1-1/2".
13.Wood shakes spacing - ANSWER ✔ 3/8 to 5/8 " apart
14.Wood shingles sheathing - ANSWER ✔ Can be installed on solid or spaced
sheathing. Sheathing boards must not be less than 1x4"
15.Wood shingles fasteners - ANSWER ✔ stainles steel typ 304 or 316
,16.Wood shingles spacing - ANSWER ✔ Between 3 and 8" wide and nailed
twice
17.Mininum slope for metal roof - ANSWER ✔ For roofs without applied lap
sealant should be 3:12
For roofs with lap sealant should be 1.5:12.
For standing-seam roof systems shall be .25:12.
18.When to use continuous flashing - ANSWER ✔ when a roof dies ot or ends.
Against a skylight, valley, or vertical wall.
19.when to use counter flashing - ANSWER ✔ at roof opening (chimneys,
skylights, vent pipes). It is usually a thing strip of sheet metal in form of an
L.
20.roofing ventilation ratio - ANSWER ✔ 1/150ft
21.The minimum crawl space ventilation required is 1 square foot per each
______ square feet of under floor space without a vapor barrier. - ANSWER
✔ 150
22.A ventilating opening within a crawl space shall be located within
__________ of each corner of a building. - ANSWER ✔ 3 feet
, 23.An access opening to a crawl space through a perimeter wall shall be a
minimum size of - ANSWER ✔ 16" x 24"
24.According to code, wood beams, rafters, and joists may NOT be notched in
the middle - ANSWER ✔ 1/3
25.Truss design drawings shall be provided to the ______________ and
approved prior to installation. - ANSWER ✔ Building official
26.Truss design drawings shall include: - ANSWER ✔ Span, spacing, and loads
27.When nailing 1/2" O.S.B. board to floor joists, what is the minimum nail
size? - ANSWER ✔ 6D common
28.When nailing 1/2" O.S.B. board to a floor joist system, what is the
maximum spacing of nails on the edge? - ANSWER ✔ 6 inches
29.When nailing 1/2" O.S.B. board to a floor joist system, what is the
maximum spacing of nails along the joists? - ANSWER ✔ 12 inches
30.Masonry flashing shall be located ______________________. - ANSWER
✔ below the first course above grade
GUIDE 2026 COMPLETE QUESTIONS WITH
CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS
<RECENT VERSION>
1. 3 Asphalt shingle clasification - ANSWER ✔ Class A- Severe exposure to
fire, and is made from fiberglass
2. Class B- Moderate exposure to fire, usually made from asphalt
3. Class C- Light exposure to Fire
4. Flashing Location - ANSWER ✔ Should be installed at wall and roof
intersections.
5. Cricket or Saddle - ANSWER ✔ It should be installed on the ridge of a
chimney if more than 30 inches.
6. How many layers of underlayment on roof 2:12 - 4=3:12 pitch? - ANSWER
✔ Two layers. Apply 19-in stripe parallel to the eave and then apply the 36in
underlayment.
,7. How many layers of underlayment for roofs 4:12 and up? - ANSWER ✔
One layer
8. What fasteners to use? - ANSWER ✔ Should be galvanized steel, stainless
steel, aluminum. minium 12-guage shank with 3/8" head. should penetrate
more than 3/4 into sheathing.
9. how many fasteners per shingle? - ANSWER ✔ not less than 4
10.Sidewall flashing - ANSWER ✔ Should not be less than 4x4.
11.Drip edge - ANSWER ✔ Should be overlapped not less than 2in and should
not extend 1/4 in below the sheathing.
12.Wood shingles overhang` - ANSWER ✔ Should over hang farther than
asphalt shingles. They should extend beyound the fascia 1-1/2".
13.Wood shakes spacing - ANSWER ✔ 3/8 to 5/8 " apart
14.Wood shingles sheathing - ANSWER ✔ Can be installed on solid or spaced
sheathing. Sheathing boards must not be less than 1x4"
15.Wood shingles fasteners - ANSWER ✔ stainles steel typ 304 or 316
,16.Wood shingles spacing - ANSWER ✔ Between 3 and 8" wide and nailed
twice
17.Mininum slope for metal roof - ANSWER ✔ For roofs without applied lap
sealant should be 3:12
For roofs with lap sealant should be 1.5:12.
For standing-seam roof systems shall be .25:12.
18.When to use continuous flashing - ANSWER ✔ when a roof dies ot or ends.
Against a skylight, valley, or vertical wall.
19.when to use counter flashing - ANSWER ✔ at roof opening (chimneys,
skylights, vent pipes). It is usually a thing strip of sheet metal in form of an
L.
20.roofing ventilation ratio - ANSWER ✔ 1/150ft
21.The minimum crawl space ventilation required is 1 square foot per each
______ square feet of under floor space without a vapor barrier. - ANSWER
✔ 150
22.A ventilating opening within a crawl space shall be located within
__________ of each corner of a building. - ANSWER ✔ 3 feet
, 23.An access opening to a crawl space through a perimeter wall shall be a
minimum size of - ANSWER ✔ 16" x 24"
24.According to code, wood beams, rafters, and joists may NOT be notched in
the middle - ANSWER ✔ 1/3
25.Truss design drawings shall be provided to the ______________ and
approved prior to installation. - ANSWER ✔ Building official
26.Truss design drawings shall include: - ANSWER ✔ Span, spacing, and loads
27.When nailing 1/2" O.S.B. board to floor joists, what is the minimum nail
size? - ANSWER ✔ 6D common
28.When nailing 1/2" O.S.B. board to a floor joist system, what is the
maximum spacing of nails on the edge? - ANSWER ✔ 6 inches
29.When nailing 1/2" O.S.B. board to a floor joist system, what is the
maximum spacing of nails along the joists? - ANSWER ✔ 12 inches
30.Masonry flashing shall be located ______________________. - ANSWER
✔ below the first course above grade
