Underground Tanks

Premier Quality

With a 90-year proven track record and the fastest delivery in the U.S., Newberry’s Permatanks and ACT-100’s are:

• Steel Tank Institute (STI/SPFA) certified
• Subject to Independent QC Inspections
• Optional Extended Warranty

STI Permatank®

Our double-wall jacketed underground storage tank features an inner steel tank coupled with an exterior corrosion-resistant fiberglass tank.

Available Sizes

Capacity Gallons	Inner Tank Dimensions Inches	Approx. Weight (lbs)	Download Drawings
4000	64 x 288	3966
4000	96 x 132	4525
6000	96 x 192	5994
8000	96 x 256	7720
10000	96 x 324	9324
12000	96 x 384	10850
15000	120 x 312	2500
20000	120 x 408	17400
25000	126 x 465	23000

STI ACT-100®

Our composite underground storage tank features a double-wall steel tank for structural integrity and a 100 Mil fiberglass coating for long-lasting corrosion protection.

Available Sizes

Capacity (gallons)	Inner Tank Dimensions (inches)	Approximate Weight (lbs)	Download Drawings
2000	64 x 144	3801
4000	64 x 288	6672
4000	96 x 132	7628
6000	96 x 192	10120
8000	96 x 256	12500
10000	96 x 324	15100
12000	96 x 384	17639
15000	120 x 312	19500
20000	120 x 408	23500
25000	126 x 465	32250

Gallery – Underground tanks images – click on image for larger view.