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How big is an armor stone really?

The armor stone we place for the majority of our revetments is 2-3 tons, or 4,000-6,000 pounds. In Demex terms, it's 2/3 the height of Rob, or 30x his weight.




The average revetment we install is 600 tons or the weight of 66,600 cases of beer.


There's less than 200 cases of beer in this photo... you still need 133 more to equal the weight of one 3 ton armor stone.




An Armor Stone Revetment or Rock Revetment works by taking the impact of the wave energy and absorbing it; thereby protecting your shoreline and minimizing the effects of coastal erosion. Here at Demex we use locally sourced armor limestone rock from Sandusky, Ohio. This is the most common form of erosion prevention we install.

Our revetments can be installed either by barge or by land, depending on your property, our fleet of barges can be seen setting these revetments up and down the shores of lake erie. With lake levels on the rise for the last few years, revetments are a great way to ensure that our natural beaches will form again and be enjoyed for generations to come.




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