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Cement, Mortar & Concrete

With OnBuy's range of cement, mortar and concrete, you can build anything! Our sellers' range includes multi-purpose and specialty versions of each type! From classic OPC to flexible polymer and lime mortar for jobs on antique homes, our verified retailers stock the lot! Whether you're a do-it-yourself newbie or a seasoned pro, the premium building materials you'll find here will ensure your job is finished on time and won't fall apart, even after years.

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Looking to buy Cement, Mortar & Concrete?

Whatever construction job you're working on, cement, mortar and concrete are likely to feature heavily. So it's a good job you've made it to OnBuy's dedicated category! Here, you'll find every type of cement, mortar and concrete that's used in modern building work (plus some throwback recipes if you're called to repair a very old building).

Let's start with cement! There are so many different types of cement that we couldn't possibly list them all (use our handy search feature to track down an especially specialist cement) but we can tackle some common favourites.

Our sellers stock Ordinary Portland Cement (OPC), the gold standard for most modern building work. OPC is super versatile, acting as the foundation for concrete, mortar and plaster. You'll also find rapid hardening cement for pre-fab work, sulphate-resistant low heat cement and many more in this category!

While you can mix the different types of cement we've covered with sand to create your own concrete, you can buy packs of ready-mixed concrete to save you time on the job. Just like cement, our sellers' selection of concrete is varied and suitable for all kinds of jobs.

While concrete is used as a building material, mortar is used as a binder, holding your build together for years at a time. Our sellers have the latest blends made from OPC and polymer cement, as well as traditional lime mortar, a millennia-old recipe that's still used to repair old buildings today.

One of the most popular uses for mortar is in masonry, sandwiching it between individual bricks to create a strong, weather-resistant bond. The only trouble with this technique is that it can leave an unprofessional appearance, with globs of paste dripping down the brick. That's where pointing comes in. If you'll be touching up your masonry work, you may also be interested in our pointing trowels!

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