Roofing Michigan Exam Questions
and Answers All Correct
What is 2/10 net 30 - Answer- buyer will receive a 2% discount on the net amount if they
pay the invoice in full within the first ten days of the invoice date. Otherwise, the full
invoice amount is due in 30 days without a discount. These terms are specific to the
2/10 net 30 discount
Sworn Statement. - Answer- This document must be submitted by general contractors
and subs working on residential projects. It lists all the subcontractors, sub-
subcontractors and material suppliers working under them, as well as payment and
contract information.
Unit Price Contracts. - Answer- This is a form of construction contract that quotes a
given price for each unit of work. Unlike Lump Sum, in Unit Price contracting a cost is
assigned to each measurable item of work and these items are listed separately on the
estimate.
The term "steep roof" as defined by OSHA is referring to a roof slope above: - Answer-
Above 4/12
The shortest distance from the lower edge of an overlapping shingle to the upper edge
of a shingle in the second course below. The triple coverage portion of the toplap of
strip shingles is called: - Answer- Head lap
Cornices are classified according to which types? - Answer- boxed, close, and open
What is the minimum roof slope of a built-up roof with the use of coal-tar? - Answer- 1/8"
to 12"
The lower edge of a shingle is called: - Answer- shingle butt
3 Asphalt shingle clasification - Answer- Class A- Severe exposure to fire, and is made
from fiberglass
Class B- Moderate exposure to fire, usually made from asphalt
, Class C- Light exposure to Fire
Flashing Location - Answer- Should be installed at wall and roof intersections.
Cricket or Saddle - Answer- It should be installed on the ridge of a chimney if more than
30 inches.
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.
How many layers of underlayment for roofs 4:12 and up? - Answer- One layer
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.
how many fasteners per shingle? - Answer- not less than 4
Sidewall flashing - Answer- Should not be less than 4x4.
Drip edge - Answer- Should be overlapped not less than 2in and should not extend 1/4
in below the sheathing.
Wood shingles overhang` - Answer- Should over hang farther than asphalt shingles.
They should extend beyound the fascia 1-1/2".
Wood shakes spacing - Answer- 3/8 to 5/8 " apart
Wood shingles sheathing - Answer- Can be installed on solid or spaced sheathing.
Sheathing boards must not be less than 1x4"
Wood shingles fasteners - Answer- stainles steel typ 304 or 316
Wood shingles spacing - Answer- Between 3 and 8" wide and nailed twice
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.
When to use continuous flashing - Answer- when a roof dies ot or ends. Against a
skylight, valley, or vertical wall.
and Answers All Correct
What is 2/10 net 30 - Answer- buyer will receive a 2% discount on the net amount if they
pay the invoice in full within the first ten days of the invoice date. Otherwise, the full
invoice amount is due in 30 days without a discount. These terms are specific to the
2/10 net 30 discount
Sworn Statement. - Answer- This document must be submitted by general contractors
and subs working on residential projects. It lists all the subcontractors, sub-
subcontractors and material suppliers working under them, as well as payment and
contract information.
Unit Price Contracts. - Answer- This is a form of construction contract that quotes a
given price for each unit of work. Unlike Lump Sum, in Unit Price contracting a cost is
assigned to each measurable item of work and these items are listed separately on the
estimate.
The term "steep roof" as defined by OSHA is referring to a roof slope above: - Answer-
Above 4/12
The shortest distance from the lower edge of an overlapping shingle to the upper edge
of a shingle in the second course below. The triple coverage portion of the toplap of
strip shingles is called: - Answer- Head lap
Cornices are classified according to which types? - Answer- boxed, close, and open
What is the minimum roof slope of a built-up roof with the use of coal-tar? - Answer- 1/8"
to 12"
The lower edge of a shingle is called: - Answer- shingle butt
3 Asphalt shingle clasification - Answer- Class A- Severe exposure to fire, and is made
from fiberglass
Class B- Moderate exposure to fire, usually made from asphalt
, Class C- Light exposure to Fire
Flashing Location - Answer- Should be installed at wall and roof intersections.
Cricket or Saddle - Answer- It should be installed on the ridge of a chimney if more than
30 inches.
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.
How many layers of underlayment for roofs 4:12 and up? - Answer- One layer
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.
how many fasteners per shingle? - Answer- not less than 4
Sidewall flashing - Answer- Should not be less than 4x4.
Drip edge - Answer- Should be overlapped not less than 2in and should not extend 1/4
in below the sheathing.
Wood shingles overhang` - Answer- Should over hang farther than asphalt shingles.
They should extend beyound the fascia 1-1/2".
Wood shakes spacing - Answer- 3/8 to 5/8 " apart
Wood shingles sheathing - Answer- Can be installed on solid or spaced sheathing.
Sheathing boards must not be less than 1x4"
Wood shingles fasteners - Answer- stainles steel typ 304 or 316
Wood shingles spacing - Answer- Between 3 and 8" wide and nailed twice
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.
When to use continuous flashing - Answer- when a roof dies ot or ends. Against a
skylight, valley, or vertical wall.
