CBM Aggregates

CBM Aggregates CBM, part of St. Marys Cement, proudly supports Ontario with reliable building materials.

Serving Ontario and the Caledon community with 12 aggregate sites.🌿🏗️

09/05/2026

They organize the food drive. Coach the team. Deliver the meals. Clean the trail. Raise the funds. Answer the call when someone needs help. 🤝

Across Ontario, thousands of volunteers and charitable organizations contribute their time, expertise and resources to making life better for the people around them.

Much of that work happens quietly.
A stocked food bank can help a family through a difficult month. 🥫 A youth program can give someone confidence and belonging. A volunteer group can help protect a natural space that an entire community enjoys. 🌳

Individual acts of generosity may seem small on their own, but their collective impact can be extraordinary.
On International Day of Charity, CBM recognizes the charities, volunteers and community organizations whose commitment makes the places we serve stronger.

Who is making a difference where you live? Give them some recognition in the comments. 👏

The most recognizable part of a skyscraper is usually what we can see. Some of its most important materials are hidden b...
09/03/2026

The most recognizable part of a skyscraper is usually what we can see. Some of its most important materials are hidden beneath it. 🏙️

Tall buildings place immense loads on the ground below, making carefully engineered foundations critical to their construction.

Concrete provides much of the strength these foundations and structures require, with sand and stone serving as essential ingredients. 🪨 These materials help create durable structural components capable of supporting buildings designed to stand for decades.

The aggregate story doesn't stop at the building's entrance. Streets, sidewalks, drainage systems and surrounding public infrastructure also depend on aggregate materials. 🚧

That's an interesting contrast. We recognize skyscrapers by their height, architecture and glass facades, yet many of the materials making those landmarks possible are rarely noticed at all. 🏗️

This Skyscraper Day, take another look at the skyline and consider what it took to build it.

The next time you stand on an artificial turf field, look between the green fibres. 🏟️You may find sand.Silica sand is u...
09/02/2026

The next time you stand on an artificial turf field, look between the green fibres. 🏟️

You may find sand.

Silica sand is used as an infill material in many synthetic turf systems. It sits within the artificial fibres as part of the installed field system.

There is something interesting about that combination: an intentionally synthetic grass surface incorporating one of the most familiar natural granular materials.
Artificial on top. Mineral material between the blades. 🔬

09/01/2026

Most of the time, we talk about what aggregate helps us build.

This time, the aggregate is the composition. 🧹

Japanese dry landscape gardens use stone and carefully raked gravel to create deliberately arranged landscapes. The patterns in the gravel can suggest movement and are maintained as part of the garden.

No concrete needs to cover it. No asphalt hides it.

The texture, lines and stone are what visitors came to see.

It is a completely different way of thinking about a material we encounter every day. 🪨

08/31/2026

Curlers call it a rock for a very good reason. 🇨🇦

Curling stones are made from granite.

That makes curling a particularly interesting example for this series because the mineral material is not building the arena or sitting underneath the athletes.

It is the sporting equipment.
Players spend the entire game sliding granite down a sheet of ice with remarkable accuracy, and Canadians have been watching it happen for generations.
Sometimes the most unusual uses of stone are also the most familiar. 🎯

Some of Ontario's favourite summer memories begin with a handful of sand. 🏖️Whether it's building sandcastles, watching ...
08/30/2026

Some of Ontario's favourite summer memories begin with a handful of sand. 🏖️

Whether it's building sandcastles, watching the sunset, enjoying a lakeside picnic or simply listening to the waves, beaches bring people together in ways few places can. 🌊

Many public beaches rely on carefully selected sand to help restore shorelines, improve public access and maintain safe, enjoyable spaces for visitors. These efforts support recreation while helping communities care for their waterfronts over the long term. 🌿

Beach Day is a chance to appreciate not only the places we enjoy, but also the thoughtful work that helps keep them welcoming season after season.

Which Ontario beach has your favourite view? 🌅

08/29/2026

As the last rays of sunlight disappear, another shift begins across Ontario's skies. 🌅
Bats quietly leave their roosts each evening to feed on insects, making them one of nature's most effective forms of natural pest control. Their nightly activity supports healthy ecosystems while benefiting forests, wetlands and agricultural landscapes alike. 🦇
Although they often go unnoticed, bats are an important part of Ontario's biodiversity. Healthy natural habitats provide the shelter and feeding areas they need to thrive, alongside countless other native species. 🌳
International Bat Night reminds us that every species has a role to play, even the ones we rarely see.
The next time you're outside at dusk, look up. You might spot Ontario's night shift beginning its work. 🌙

08/27/2026

A vegetable garden can be a surprisingly good place to learn some geology. 🍅

Agricultural limestone is used to raise the pH of acidic soils. Gardeners and growers can use soil testing to understand existing conditions before deciding whether lime is appropriate.

That is the interesting part of this aggregate use. The limestone is not supporting a structure or becoming pavement. It is being used directly in soil management.

For anyone who grows vegetables at home, had you ever connected limestone with gardening? 🌱

08/26/2026

Ontario's infrastructure relies on more material than most people realize. 📊

Ontario Stone, Sand & Gravel Association reports that between 2026 and 2041, Ontario will need 4 billion tonnes of aggregate to support a growing population, housing, infrastructure, and construction. 🪨
Those figures reflect the ongoing need to maintain existing infrastructure while preparing for future growth. 🏗️
Understanding demand is one of the first steps toward planning responsibly. 🧭

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