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Terms in this set (69)
The trim board applied to the lower edge of a sloping roof before applying the roof surface material is called the _____.
The purpose of a ____ is to divert the flow of water and prevent ice and snow build-up behind the chimney.
A soffit is:
the underside of a roof or porch overhang
1 protects the sheeting from moisture until shingles are laid.
2 provides additional weather protection by preventing wind-driven rain.
3 prevents contact between shingles and resinous areas in the sheathing.
4 all of the above.
Three tab shingles require a minimum of how many nails per strip?
The term "steep roof" as defined by OSHA is referring to a roof slope above:
4 in 12
Three-in-one tab shingles are most commonly found:
on roofs over 3 in 12 pitch
A square of roofing material is equal to:
100 square feet
The selection of roofing materials is influenced by such factors as cost, durability, appearance, application methods, and:
slope of roof
Wood shingles, when applied to a roof, must be spaced ___________ apart.
1/4" to 3/8"
What must be done where the roof intersects with a wall?
use metal step flashing between the shingles
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:
Cornices are classified according to which types?
boxed, close, and open
The fascia is:
a wood member used for the outer surface of a boxed cornice
The principle member of valley roof construction is called a:
The usual size of an asphalt shingle is:
12" deep x 36" wide
The most common type of wood shingles are usually graded:
No 1, 2 or 3.
The minimum roof pitch with one layer underlayment, which will accept asphalt shingles is:
4 in 12
The part of a roof most likely to leak due to water or snow pressure is the:
The roof rake is:
the sloped end of the roof that overhangs the gable end
Minimum pitch for asphalt shingled roofs with double underlayment is:
How many bundles of shingles equal a square of roofing?
Which of these should not be used as solid sheathing for wood shingles?
Nails for fastening asphalt shingles usually are:
At the eave ice and water shield must be installed to a point that is:
24" inside the interior wall line when projected through the roof sheathing
When nailing roof shingles to 5/8" roof sheathing:
the nails should penetrate through the sheathing
Wood shingles and shakes shall not be installed on roof slopes below:
How far is the drip edge overhang for cedar shakes?
What is the minimum amount of overlap for felt paper?
On a built up roof covering a wood deck, how do you attach the first layer?
nail down felt paper
The difference between wood shingles and cedar shakes is?
shakes are rough sawed and hand split
What is the minimum width of sheet metal used in an open valley for a 1- to 2-family dwelling?
What is the minimum roof pitch for metal roof panels that have nonsoldered seams w/o lap sealant?
What is the minimum roof slope of a built-up roof with the use of coal-tar?
1/8" to 12"
What is often used for base flashing around chimneys?
The lower edge of a shingle is called:
The distance (in inches) between the edge of one course and the next higher course.
) Indicates the amount of protection provided by the third layer of overlapping shingles.
When the roof pitch is less than 4 in 12:
roll roofing is recommended.
What is the maximum number of layers of asphalt shingles on a roof?
On an open valley, it is O.K. to use which of the following materials?
What is the minimum air space requirement between insulation and the roof sheathing at or near the eave in the attic space?
What is the minimum rough opening requirement for access to an attic space?
22" x 30"
Can asphalt shingles be installed on a 2-in-12 or 3-in-12 roof pitch?
Yes, if 2 layers of 15 lb. felt is used as underlayment
Avoid using the open valley method where two roofs forming a valley have considerably different slopes.
When nailing shingles near a valley keep fasteners ______ away from the centerline of the valley.
The closed-cut valley can be used with all types of strip shingles but the woven closed valley is only recommended with ______ shingles.
Where two roofs forming a valley have considerably different slopes and the open valley method cannot be avoided. Be sure to use metal valley flashing with a splash diverter and water guards.
The ________ is the part of the roof where leaks are most likely to happen.
When flashing a valley without metal where a lap joint is needed, lap the upper section over the lower section by at least ______ inches.
When flashing a valley with metal where a lap joint is needed, lap the upper section over the lower section by at least ______ inches.
Step flashing is also a base flashing.
Chimneys require both base flashing and counter flashing (also called cap flashing).
Code requires that if a chimney's width down slope from a ridge is more than 30 inches in width, a cricket or saddle must be installed, but it is recommended they be installed at a width greater than ________ inches.
Roof shingles are rated for fire resistance. They are classified as either A, B, or C. Which classification has the highest fire resistance?
The most common amount of exposure for asphalt shingles is:
To get a neat, professional look, taper the lap portion of hip and ridge with shingles that have been salvaged from scraps and full shingles as needed.
Where a roof intersects with a wall, the roof underlayment should be carried up the wall 3 to 4 inches and ________ must be used as the shingles are installed.
Asphalt shingles have a base mat of tough asphalt-saturated roofing felt or fiberglass.
The drip edge for wood shingles and shakes should extend past the eave fascia.
1 1/2 inches
Wood shakes should be spaced ________ apart to allow for expansion.
3/8 to 5/8 inches
Wood shingles and shakes should be from _______ in width. If the shake or shingle is too wide, split it with a roofer hatchet.
3 to 8 inches
Wood shingles and shakes require a side lap of _____ or more.
1 1/2 inches
Valley flashing for wood shingles shall be minimum 26 gauge corrosion resistant sheet metal and shall extend _______ from the centerline each way for roof slopes 12 and 12 or less.
Valley flashing for wood shakes shall be minimum 26 gauge corrosion resistant sheet metal and shall extend _______ from the centerline each way.
The building code prohibits the use of wood shingles or shakes on roof slopes below 3 in 12, but it is recommended that _____ be the least slope for shakes.
4 in 12
A drip edge should be installed under the underlayment at the eave and over the underlayment at the rake.
Wood shingles and shakes can be installed over solid sheathing or spaced sheathing. It is required that only solid sheathing be used in areas of the country where the mean temperature in January is:
25F or less
With the exception of areas in the country with moderate to severe hail exposure, asphalt shingled roofs are permitted to be covered over with new shingles __________.
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Footings and Foundations
2015 International Residential Code Study Session 5
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