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Use Plate Compactors to Level a Foundation

A plate compactor helps you level the ground before you start a new outdoor project that involves concrete or pavers. This piece of heavy equipment has a high-powered motor that delivers force to the ground to encourage dirt or gravel particles to compact.


Compactor machines feature sturdy cast iron constructions that ensure they hold up well from one project to the next. Convenient handles make transporting these machines easy. Plus, they feature a throttle lever and shock absorption for smooth operation.


As you shop for a plate compactor, consider how much force and what size engine you need to get the job done. Before you start your project, check out our Masonry and Cement Products Buying Guide for more tips.


Frequently Asked Questions


Q: What’s a plate compactor used for?

A: A plate compactor is used to compact granular soils, such as sand, gravel and stone dust. This equipment works to compact the ground and eliminate air pockets before laying concrete, installing pavers, building a patio or repairing any cracks. This step helps to ensure you’re working on a level foundation.


Q: Is it better to compact wet or dry?

A: It’s often easier to compact wet soil or gravel rather than dry soil or gravel. That’s because a moderate amount of water reduces dust and friction, which can inhibit particles from compacting effectively. Note that if you do choose to compact wet ground, make sure it’s merely damp and not oversaturated, which can lead to a mess.


Q: What does a vibratory plate compactor do?

A: A vibratory plate compactor is a building supply that’s designed to compact the soil or gravel in small areas or tight spaces where a larger compactor machine may not fit. This equipment applies force to the ground to promote contraction and, when the plates vibrate, causes the soil or gravel particles to shift closer together.