Terms to Help You Understand Roofing

Whether you’re looking to get a roof replacement or you’re simply looking to educate yourself on how roofs are structured and how they function, our guide to roofing terms will help you to understand the many aspects of roofs and how they work to protect your home.

Here is an A to Z guide on the many terms associated with the roofing industry.

Roofing Terms (A)

Aggregate

An aggregate works as a surface for a roofing system. They can be made from many different materials, but they all serve the same purpose: to protect the roof from UV rays. They also act as an extra layer of insulation and provide reflectivity as well.

Apron Flashing

This is a type of flashing located at the bottom of a curve.

Asphalt Roof Cement

Sometimes referred to as plastic cement or flashing cement, asphalt roof cement is made up of a mixture of fibers, mineral stabilizers, and solvent-based bitumen.

Roofing Terms (B)

Ballast

Ballast can be a variety of materials that covers the membrane of a roof.

Base Flashing

This is the material that makes up the roof membrane. It’s used to seal the roof at intersections in the roofing.

Bitumen

This is a black viscous mixture that comes from the natural distillation of petroleum. It is also used to seal cracks in the asphalt on roads.

Blind Nailing

A process in which nails are placed out of sight and unexposed to the elements. It helps to protect the materials from breaking down over time.

Built-Up Roof

A built up roof is low slope or seemingly flat. They are generally covered in roofing felt and hot-mopped asphalt. It’s generally covered in gravel or aggregate.

Roofing Terms (C)

Cap Flashing

This is the material that is used to cover the top of base flashing, and many other flashings as well.

Cap Sheet

A membrane surfaced in granules that is used as the top ply of a built up roof.

Channel Flashing

Another form of flashing that is built with a channel for runoff water. You’ll find this type of flashing where planes intersect.

Composition Shingle

This is a type of shingle that is meant for a steep slope roof. It’s usually made up of asphalt and other various materials.

Counter Flashing

The flashing that’s installed at the top of a wall or other vertical structure and is layered over shingle flashing.

Roofing Terms (D)

Damp Proofing

The process in which the surface of the roof is treated to resist the penetration of water should hydrostatic pressure not exist.

Dimensional Shingle

This is a shingle that is textured to produce a three-dimensional effect. They’re also known as laminated shingles, however, it’s important to know that not all dimensional shingles are laminated shingles.

Dormer

This term refers to a projection from the roof that is framed. Typically, windows are good examples of dormers.

Getting to know the many terms of a roof can be mind boggling, however, it’s necessary for understanding how your roof works to protect your home. If you’re interested in learning more about roofing, or simply want to leave it all up to the professionals, don’t hesitate to contact our roofing company. Whether you’re looking for roof replacement, or simple roof repairs, our roofing contractors can help you with your roof. Don’t hesitate to contact our roofers for help today.