DuraEdge ProLock Mound Clay Blocks (8 bricks/bag) 51 lb. Bag

Same clay, improved design Producing mound blocks is nothing new to DuraEdge, however this new 10° wedge design is. Our in-house engineer came up with this innovative parallelogram-shaped design to increase durability and hold and minimize seams and gaps. Mound blocks can be installed horizontally at 2.5” or vertically at 4”.