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Roof Installation

What Is A Roof Square? (Definition, How to Calculate, & More)

November 20, 2023 | 2 min. read

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When it comes to roofing, there’s a language of its own that can be perplexing for homeowners. One term that often causes confusion is “roof square.” What exactly does it mean, and why is it important in the world of roofing? 

Rescue My Roof has been an educator for over a decade, helping homeowners keep up with roofing lingo and make the best decision for their homes.

In this article, we’ll demystify the concept of a roof square, breaking down its definition and shedding light on its significance in the roofing industry. Ultimately, you’ll know how a roof square can impact your roof-buying journey.

Defining a Roof Square

A graphic showing the 10 feet by 10 feet roof measurement known as a 

A roof square is a unit of measurement commonly used in the roofing industry to quantify the size or area of a roof. One roof square is equal to 100 square feet of roofing material. 

This standardized unit simplifies communication between contractors, suppliers, and homeowners when discussing the scope of a roofing project.

Understanding the Calculation

To calculate the number of roof squares needed for a particular project, the total square footage of the roof is divided by 100. 

For example, if your roof measures 2,000 square feet, you would require 20 roof squares (2,000 sq. ft. ÷ 100 sq. ft. per square = 20 squares).

4 Reasons Professionals Use Roof Squares

Why do we use roof squares instead of square feet? Here are four reasons why roofing professionals prefer to use square measurements.

1. Industry Standardization

Roof squares provide a standardized measurement that streamlines communication within the roofing industry. This consistency ensures that contractors, suppliers, and homeowners are on the same page when discussing the size and cost of a roofing project.

2. Material Ordering

Roofing materials, such as shingles, are often sold by the square. Knowing the number of roof squares required allows for accurate material ordering, reducing waste and ensuring that the right amount of materials is delivered to the job site.

3. Estimating Costs

Roof squares play a crucial role in estimating the cost of a roofing project. Contractors can provide more accurate quotes and homeowners can better understand the pricing structure based on the number of roof squares needed.

4. Project Planning

Breaking down the size of a roof into squares helps with project planning and execution. It allows for efficient coordination of labor and resources, ensuring a smoother workflow throughout the roofing process.

Tips for Homeowners

Request Clear Estimates

When obtaining quotes for a roofing project, ask contractors to provide estimates in terms of roof squares. This ensures transparency and makes it easier for you to compare quotes from different professionals.

Understand Your Roof’s Size

Knowing the square footage of your roof and how it translates into roof squares empowers you as a homeowner. It enables you to have informed discussions with contractors and a clearer understanding of the project scope.

Getting A Clear Roof Estimate

Professional on an asphalt roof inspecting the roof's ridge.

Understanding the concept of a roof square is an essential aspect of navigating the roofing process. Whether you’re a homeowner planning a roofing project or simply looking to enhance your knowledge of home maintenance, knowing how to calculate and interpret roof squares can make the entire process more accessible and transparent. 

The next time you embark on a roofing journey, you can confidently discuss your project using the industry’s standardized language.

Learn more about getting the most from your roof estimate with “7 Roofing Facts Homeowners Must Know” and “Top 8 Homeowner’s Insurance Vocab Words.”

Additionally, you can download our Buyer’s Guide to learn everything you need to know about your next roof replacement. 
Do you have an old or leaking roof in southeastern Wisconsin?  The experts at Rescue My Roof can help. Contact us today to get a free roof estimate.