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Glossary of terms used on this site

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Term Definition
Gable roof

A type of roof containing sloping planes of the same pitch on each side of the ridge. A gable roof typically contains a gable at each end.

Gambrel roof

A type of roof containing two sloping planes of different pitch on each side of the ridge. The lower plane has a steeper slope than the upper. A gambrel roof usually contains a gable at each end, just like a standard gable roof.

Granules

Ceramic-coated colored crushed rock that is applied to the exposed surface of asphalt roofing products.

Gutter

The trough that channels water from the eaves to the downspouts.

HEX shingles

Shingles that have the appearance of a hexagon after installation.

Hip

The inclined external angle formed by the intersection of two sloping roof planes. The hip runs from the ridge to the eaves.

Hip roof

A type of roof containing sloping planes of the same pitch on each of four sides. A hip roof contains no gables.

Hip shingles

Shingles used to cover the inclined external angle formed by the intersection of two sloping roof planes.

Ice dam

Ice dams occur when snow melts near the ridgelines of warm roofs (roofs without adequate ventilation). As the water runs down the roof to the overhang, it cools and freezes. If the snow continues this melt and freeze process, an ice dam can form that can seep under the shingles, through the decking and into the house. This, of course, can cause serious roof leaks--even in freezing temperatures.

The best prevention to ice dams is a well-ventilated (cool) roof. Additional protection for your roof can be applied with an impermeable ice and water membrane. The membrane is installed on top of the decking, under the roofing material. Temporary prevention of ice dams can also be done through the use of electric cables along the eaves of the roof (where the dams usually form). However, new ice dams can form above the cables and still cause extensive damage. Another emergency solution to ice dams is to fill a sock or nylon with calcium chloride. Lay the stocking vertically across the ice dam. The calcium chloride will melt the ice and release the water so that it can drain outside, and not inside your roof.

Intake Ventilation

The part of a ventilation system used to draw fresh air in. Usually vents installed in the soffit or along the eaves of a building.

Interlocking shingles

Individual shingles that mechanically fasten to each other to provide wind resistance.

Joists

Any of the small timbers or metal beams ranged parallel from wall to wall in a structure to support a floor or ceiling.

Laminated shingles

Strip shingles containing more than one layer of tabs to create extra thickness. Laminated shingles are also called three-dimensional shingles.

Lap

To cover the surface of one shingle or roll with another.

Lap cement

An asphalt-based cement used to adhere overlapping plies of roll roofing.

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Waterproofing Roofing

The Re-Roofing Specialists
2243 31 St N
Lethbridge, AB
T1H 6Z2
Phone: (403) 320-8128

Contact us today for your free quote!

Commitment To Safety

 COR Safety certifying body

Waterproofing Roofing is committed to a proactive health and safety program aimed at protecting our staff, our clients property, and the environment from injury or damage. We are an avid supporter and advocate member of the Alberta Certificate of Recognition program which certifies that we have an active Health and Safety Program in place.

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