Hermanns HPB is a ¼”: washed product with little to no dust fractions. HPB consists of angular particles to interlock, no shifting, no heaving, product remains level, and offers great drainage.
Ground levelling material or base stone. Typically placed behind retaining walls, under floors, slabs, in and around pipes or drain tile for sewer and water main applications. Can also be used as back fill around swimming pools, and for below soil in large planters.
Installation and Delivery:
Blower Truck, Slinger, Trailer, Tri-axle and F550 small dump truck. This product is sold by the metric ton (mt).