Tested to regulatory requirements and EPA compliant, combined with our in-house design and fabrication expertise, NSI marine fuel tanks provide safe, reliable and efficient fuel storage and venting.

Boat Builders

All boats are different as are fuel tanks. Our team supports boat builders with custom tank designs to maximize fuel capacity, hull space, venting and other specific boat builder needs.


Boat Repair/End Users

Tank leaks happen. Whether caused by direct water contact causing erosion or highly corrosive hydrogen sulfide associated with algae growth, if your tank needs to be replaced our team is on-hand to get you back out on the water.

Technical Information

Test Standards: NMMA (Permanent fuel tanks), ABYC H-24:2017, ABYC H-33:2017,
ISO 21487:2012, USCG 33 CFR 183.
Material: 5052-H32 Marine Grade Aluminium, min. 0.125 thickness or 316L Stainless Steel.
Size: Profile and capacity to customer requirements.
Components: Venting (GVV, FLVV), baffles (where required), fittings and sending unit.
Other Marine Items: Custom designed cargo management and equipment storage solutions.