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Recycling Mystery: Brick

Nov 02, 2023Nov 02, 2023

The Three Little Pigs will be the first to tell you that brick is a reliable building material, used to create everything from walls to chimneys to firepits. But what do you do with leftover brick after the job is done, or with any chipped or cracked bricks that you end up replacing? Is brick recycling an option?

Brick can be recycled along with construction and demolition (C&D) waste, which includes other building products like carpet, concrete, drywall, shingles, and wood. But for consumers looking to dispose of only a few bricks, reuse is probably the more viable option.

One of the important factors when determining the recycling market for a material is to identify how it’s made. Bricks can be made from a wide variety of materials, ranging from mud to concrete, but the traditional red bricks that are pictured above were likely made from a mixture of sand, clay, lime, iron oxide, and magnesia that was cooked in a kiln and bonded with mortar. Sand is the primary ingredient in another product we recycle every day: glass.

One of the key benefits of building with brick is that it is fire- and water-resistant, making it ideal for withstanding natural disasters on the outside of your house. Unfortunately, the recycling process for most materials involves melting them down (e.g., glass, metal, plastic) or blending them with water (paper), and the melting point of brick is 4,000 degrees Fahrenheit, which complicates the recycling process.

In the United States, we generated 600 million tons of construction and demolition waste (including bricks) in 2018, the most recent year for which the U.S. Environmental Protection Agency has data. This amount is more than twice the amount of municipal solid waste (292.4 million tons) we generated that same year. Of the 600 million tons of C&D waste we generated, just over 455 million tons of the debris was reused and just under 145 million tons ended up in landfills.

C&D waste is one of the larger components (by weight) of the U.S. waste stream, and material like brick is unlikely to break down in a landfill because it is designed for long life and to endure sunlight and heat.

Plus, if you live in Massachusetts, the District of Columbia, West Virginia, or Portland, Oregon, it’s against the law to put brick in landfills, so you’ll need to reuse or recycle them.

Before you even consider brick recycling, try to reuse them for other purposes. Here are a few reuse suggestions:

Most of these reuse projects won’t require the bricks to be intact or in pristine condition. For newer bricks, another option is to donate them to a Habitat for Humanity ReStore. Each store collects different types of materials, so be sure to call your local ReStore to verify whether they accept bricks.

You can be sure that bricks and other C&D materials won’t be accepted in your curbside recycling program. For you have a small quantity of bricks, a C&D recycler will be less likely to take your bricks — unless you are willing to drop them off. You can use Earth911’s or Recycle Nation’s recycling search tool to find a brick recycling location near you.

Many people who have bricks to dispose of will have used a contractor, and C&D recyclers will be more willing to accept materials from businesses in bulk. Many states maintain a list of C&D recyclers for contractors to use, as does Construction & Demolition Recycling Association.

A recycler has a few options for recycling the brick. It can be crushed into gravel-size pieces and used as ground cover for yards or as a substitute for mulch. Crushed into powder, it can be used on baseball diamonds, running tracks, or tennis courts. In some cases, crushed bricks can even go into making new bricks.

Originally published on November 6, 2017, this article was updated in December 2022.