#4 Lime Rock 1 ½
Home » Limestone Rock » #4 Lime Rock 1 ½ #4 Lime Rock 1 ½ #4 Lime rock— also known as limestone gravel — is composed of clean crushed limestone. It is commonly used for driveways, drainage, and concrete work, among other uses. It is also great for projects that require filling deep overdigs, porches, and garages when building.