Chapter 51, 52, and 53

_______ is the distance between courses of roofing. It is the amount of roofing in each course exposed to the weather.

Exposure

_____ shingles have a base mat of glass fibers.

Fiberglass

_____ is strips of thin roofing material. It is usually made of lead, zinc, copper, vinyl, or aluminum. It may also be strips of roofing material used to make water-tight joints on a roof. Metal flashing comes in rolls of various widths that are cut to the desired length.

Flashing

_______ or slash grain shingles wider than 8 inches should be split in two before fastening.

Flat grain

Another roofing option is ________ which are typically used in hot locales.

Cement roof tiles

______ are usually thin enough to be applied with a brush. They are used to resurface old roofing or metal that has become weathered.

Coatings

________ are installed by masons who build the chimney in conjunction with the step flashing the carpenters apply.

Counter flashings

_____ are horizontal rows of shingles or roofing.

Courses

________ is the wood roof surface to which roofing materials are applied.

Deck

______ is the horizontal distance that the ends of roofing in the same course overlap each other.

End lap

____ shingles are made thicker and in patterns to look like slate or wood shake roofs.

Laminated

__________ are constructed with no shingle or roofing material installed within several inches of the valley center.

Open valleys

Two kinds of asphalt shingles are available.

Organic Fiberglass

___________ is usually APA-rated panels

Solid sheathing

_______ have the roofing material covering the entire valley centerline.

Closed valleys

There are _____ to _____ bundles of shingles per square.

3 to 5

Average bundle of shingles weigh.

80 pounds

_____ consist of heavy felt paper saturated with asphalt or coal tar.

Asphalt Felts

_____ and ______ are manufactured to various consistencies depending on the purpose for which they are to be used.

Asphalt cements and coatings

_________ are the most commonly used roof covering for residential and light commercial construction.

Asphalt shingles

______ are classified as plastic, lap, and quick-setting. They will not flow at summer temperatures. They are used as adhesives to bond asphalt roofing products and flashings. They are usually _____ on the surface.

Cements troweled

A metal ______ is often installed along the roof edges. They are made from aluminum or galvanized steel.

Drip Edge

________ is a reaction that occurs when unlike metals come in contact with water. This contact causes one of the metals to corrode.

Electrolysis

The ______ is the distance from the bottom edge of an overlapping shingle to the top of a shingle two courses under, measured up the slope.

Head lap

An ______ is a roofing membrane composed of two waterproofing materials bonded into one layer. It is composed of rubberized asphalt adhesive backed by a layer of polyethylene.

Ice & water shield

A _______ is the bottom exposed long edge of a shingle.

shingle butt

____________ or skip sheathing is usually 1x4 or 1x6 boards.

Spaced sheathing

Amount of roofing required to cover 100 sf.

Square

___________ are made of two layers of polypropylene.

Synthetic underlayment

The _____ is the height of the shingle or other roofing minus the exposure. In roll roofing, this is also known as the _______.

Top lap Selvage

Wood surface to which roofing is applied.

Usually OSB or Plywood

A _________ is sometimes used for fast and accurate checking of shingle exposure.

sliding gauge

_____ and ____ are common roof coverings.

Wood shingles and shakes

The ____________ is applied on top of the lower course of shingles.

apron flashing

In many cases, especially on steep-sloped roof and wide chimneys, a ______ or _____ is built behind the chimney between the upper side of chimney and roof deck.

cricket or saddle

These courses of shingles are step flashed to the backside of the chimney. Smaller crickets are totally covered with flashing material. This flashing is called ______

head flashing

Whenever there is a possibility if ice dams forming along the eaves and causing a backup of water, _______ underlayment flashing is needed.

ice barrier

The top edge of counter flashing is bent at a right angle at about 1/2 inch to be inserted into a _____ joint.

mortar

Valleys are flashed in two ways: ________

open or closed

The ____ is applied after both sides of the roof have been shingled. If a ___ is needed, the vent is applied first.

ridge cap venting ridge

A simple way to prevent the disintegration caused by electrolysis is to

secure metal roofing material with fasteners of the same metal.

Layout of asphalt shingles may begin from the rake edge. Before any shingles are installed, it is best to precut the _____ shingles. Rake edge pieces that begin each course may be pre-cut or cut during installation.

starter course

______ are individual metal pieces tucked between courses of shingles.

step flashings

A drip edge is used to

support the asphalt shingle overhang. Otherwise, the shingles would droop from the heat of the sun.

The ___ serves to protect sheathing from moisture before the roofing material is applied.

underlayment

Most shingles and shakes are produced from

western red cedar

Valleys may be flashed by applying asphalt shingles on both sides of the valley and alternately weaving each course over and across the valley. This is called a ______

woven valley