Square Manholes, Covers, & Lids
Our product line features Emco Wheaton square manhole frame that offers users easy access. Square manhole covers sizes range from 12" to 48". Square manhole covers and frames are an ideal fit for a variety of tank hardware or monitoring equipment. All of our models feature heavy-duty diamond plate square manhole lids and a 16-gauge steel skirt, and they meet AASHTO H20 wheel loading.
Square manhole covers size 12", 18", 24", 30", 36", 48".