The debate between concrete and plastic septic tanks has traditionally been a trade-off between durability and convenience. Concrete offers massive structural integrity but requires heavy machinery and high shipping costs; plastic offers ease of transport but often struggles with soil pressure and floating issues. Enter The Beast, an AK Industries polyethylene tank branded by GroupOne, designed to eliminate the compromise by bringing weight and rugged construction to the market.
“The Beast” isn’t just marketing flair — it refers to the tank’s exceptional wall thickness and overall weight. While many poly tanks are prized for being featherlight, The Beast utilizes an HDPE construction with a deep-ribbed design that provides superior structural rigidity. This engineering allows it to withstand significant soil loads and environmental stressors that would typically cause lighter plastic tanks to deflect or collapse. By maximizing the material density, AK Industries has created a tank that mirrors the set-it-and-forget-it reliability of concrete while retaining the chemical resistance and longevity of high-grade polymers.
“After selling poly tanks for more than 25 years, we’ve learned that dealers have never had a poly septic tank they could truly stand behind,” says Bernie Kistner of GroupOne. “The Beast changes that dynamic entirely. As a trademarked heavy-duty septic tank with no equal in strength or rigidity, it finally gives dealers a premium poly product they can promote with confidence, and it gives engineers a specification that cannot be swapped out for a bargain-bin alternative.”
One of the primary advantages for contractors and installers is that The Beast comes preplumbed and ready for immediate installation. Unlike many tanks that need to be filled with water during the backfilling process to prevent collapse, The Beast’s heavy-duty profile often allows for more flexible installation protocols. Its single-piece, rotomolded construction ensures there are no seams to leak or joints to fail over time.
Furthermore, AK Industries does offer a low-profile footprint, making it ideal for sites with restrictive vertical space or difficult terrain. Because it is plastic, it is impervious to the “concrete rot” from sulfuric acid — a common byproduct in septic systems that can degrade traditional tacaused bynks over decades.
“The Beast fits across residential, high‑water‑table, tough‑soil, pump‑tank and small commercial applications,” says Kistner. “It’s built to perform anywhere a stronger, more stable poly tank is needed.”
800-825-1330; www.grouponene.com
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