Quality and service, the fundamental operating principles of Gridiron's philosophy, have led to creating a wide range of recessed manhole covers with exceptional technical characteristics for both residential and industrial uses. The attention to detail, the choice of materials and the innovations applied mean that the demands of the most meticulous customers will be fully met. The combination of expertise gained and the highest quality materials has resulted in an exceptionally long-lasting, safe and practical product. EXPRESS SERVICE: Fast and flexible production cycles mean that the widest range of demands can be promptly satisfied. At the same time, a wide and comprehensive assortment of products in stock ensures short and precise lead times. But Gridiron's service doesn't stop here: it also includes full technical consultancy and continual information, in close contact with the seller, to understand the needs of the market and to work together to achieve total quality.