inside the exterior wall line of a building
24"
3 multiple choice options
All wood beams, joists, studs and other combustible material shall have a clearance of not less than 2 inches
from the front face and side & not less than ____ inches from the back of a masonry fireplace.
4"
3 multiple choice options
The minimum thickness of a hearth extension shall be ____ inches (with no exceptions) on a Masonry Fireplace
2"
3 multiple choice options
,Double Underlayment is required for an Asphalt Shingle application, where the roof has a slope up to _____?
4:12
3 multiple choice options
Openings in roof & ceiling framing shall be framed with header & trimmer joist. The joist span shall not exceed
_____ feet before the header & trimmer joists must be doubled
4'
3 multiple choice options
How many classes of vapor retarders are there and what is the difference between them?
3 classes; The amount of moisture that passes through the material
3 multiple choice options
What is the minimum fastener's required for steel floor joist track to a load bearing wall?
2 No. 8 Screws
(IRC pg. 138 TABLE 505.3.1)
,Where the fireplace is opening is 5 square feet, hearth extension shall extend at least ____ inches in front of and
at least _____ inches beyond each side of the fireplace opening?
16" & 8"
2 multiple choice options
Where the fireplace opening is greater than 6 square feet, hearth extension shall extend at least ____ inches in
front of and at least _____ inches beyond each side of the fireplace opening?
20" & 12"
3 multiple choice options
A masonry fireplace 36" wide and 30" high must have a hearth extension in front of the opening with what min.
dimension?
60" x 20"
3 multiple choice options
, What is the required foundation/footing size for a chimney in a single-family house? The chimney size is 36 x
55.
48 x 67
(IRC pg. 431 Section 1003.2)
In all cases, a masonry chimney shall extend a minimum of ________________ inches above the highest point where
the chimney passes through the roof.
36"
3 multiple choice options
A portion of a masonry chimney located in the interior of a building or within the exterior wall of the building
shall have a minimum clearance to combustible material of _______ inches.
2"
3 multiple choice options