(4) Septic Tank covers designed for economic installations of tank riser systems
Hedstrom Plastics manufactures round polyethylene covers and square-to-round adapter plates for field installation of ground level opening access to septic tanks and drainage junction boxes. Molded by the rotational molding process in thick walled polyethylene with ultraviolet inhibitors, the covers are sized to fit industry standard 18" and 24" double wall corrugated polypipe.
The black polyethylene adapter plates are designed to provide a seal between septic tank sewer opening and the round double wall polypipe.
Double-wall corrugated polypipe is available in building and supply distributors across the country to be purchased in bulk ...
(2) In response to field installer requests, Hedstrom Plastics developed diameter 18" and 24" diameter adapter plates to save valuable installation time when converting tank riser systems to corragated poly pipe, molded in durable black Polyethylene with strengthening ribs and unique caulking channel, the adapter plates quickly provide a seal and base for locating the corragated poly pipe to the top of the tank.
3/16'' thick black polyethylene
Caulking guideline channel molded in
Available for 18" and 24" diameter conversions
Completes the seal between tank top and round riser
Manufactured in Ohio. Distributed direct to installers and pumping professionals
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