We take great pride in the quality and performance of our concrete pipe. We manufacture concrete pipe in Class III, IV, and V and provide special design services for deep fill or high loading conditions. Permatile can skew or cut concrete pipe to order. Soil-tight, silt-tight and watertight joint seals are designed to exceed applicable ASTM and AASHTO standards for Bell and Spigot, O-Ring and Straight Wall designs. Each section of our O-Ring sanitary and storm sewer pipe is individually vacuum tested and joint acrylic coated for ease of assembly. ASTM C-14: Non-reinforced concrete pipe through 24” ID ASTM C-76: Reinforced pipe through 144” ID ASTM C-144: Porous concrete pipe for under drain ASTM C-507: Elliptical concrete pipe We also offer specially designed concrete pipe for custom applications. A full complement of tees, wyes, and custom design fittings are available. PRECAST FOUNDATION / COMMERCIAL PANELS / SPECIAL DESIGN CABLE CONCRETE EVERGREEN WALL SYSTEM STORAGE & MULTI-USE VAULTS / WELLS / TRAFFIC BARRIERS BOX CULVERTS / TUNNELS / HY-SPAN BRIDGE / SUPERBOX CONCRETE PIPE / MANHOLES / DRAINAGE STRUCTURES