Henry Frerk Sons

Based in Chicago, Henry Frerk Sons is a manufacturing and fabrication business focused on masonry restoration and building materials. Its services include ASTM C1324 mortar analysis, historic masonry testing, custom mortar blending, material matching, and concrete restoration. The company offers natural hydraulic lime mortar, pozzolan hydraulic lime mortar, mature lime putty, repair mortar, restoration cleaners and sealers, and pigmented color mortar. Building materials include plaster and stucco, sewer supplies, masonry supplies, Spec Mix, chimney products, and concrete options such as standard ready mix, latex modified concrete, and calcium aluminum latex. It also supplies KEIM mineral coatings and provides resources covering mortar testing, compatible mortar, repointing, and lime mortar use.