H&K Materials was the first quarry purchased by The H&K Group, and has been producing a full line of stone material. A full line of asphalt material was added to our products list, with the completion of the asphalt plant facility. We possess the capability of providing a full-service delivery of all materials from both our asphalt plant and our quarry. We offer PENNDOT approved material as well as the highest quality crushed stone from our Chalfont based operation. H&K Materials asphalt plant produces a substantial variety of asphalt mixes, including standard Marshall mixes as well as SUPERPAVE mixes. Our high quality mixes include red asphalt, porous asphalt and PENNDOT approved designs.