It’s a mixture of the 2B lime stone and lime stone dust. It compacts well and is commonly used as a base material for paver and wall stone installations. Use this tennis ball in the picture to gain a perspective on the size.

What is 2A modified gravel?

2A Modified Gravel is a mixture of grey, crushed, limestone particles ranging from fines up through roughly 3/4″. The spread of particle sizes in the 2A Modified allows it to be very well compacted but limits its ability to be used for drainage. It is useful for driveways or as a base layer for hardscaping projects.

What is the difference between 2A and 2B stone?

2A MODIFIED is typically used when a solid compacted base is needed. Uses include driveways and under sheds. 2B STONE is used where drainage is needed. … When 2B STONE is used under sheds you will need to contain it with a border to prevent the stone from getting into your lawn.