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Not sure which oil tank is right for you? Compare the key differences between single-skin and bunded oil tanks below.
Construction
Single-Skin Oil Tank
One layer of plastic or steel.
Bunded Oil Tank
Inner tank with an outer protective bund.
Leak Protection
Single-Skin Oil Tank
No built-in secondary containment.
Bunded Oil Tank
Outer bund helps contain oil if the inner tank leaks.
Purchase Cost
Single-Skin Oil Tank
Generally cheaper to purchase.
Bunded Oil Tank
Generally higher initial cost, with built-in containment.
Installation Requirements
Single-Skin Oil Tank
Suitable where regulations and the site risk assessment allow.
Bunded Oil Tank
Suitable where secondary containment is required, subject to installation requirements.
Additional Bunding
Single-Skin Oil Tank
May require separate secondary containment.
Bunded Oil Tank
Built-in bund, which must hold at least 110% of the inner tank’s capacity to meet the relevant requirement.
A single-skin oil tank may be a cost-effective option where installation requirements allow.
A bunded oil tank offers additional protection against leaks and is suitable where secondary containment is required.
The right choice depends on your property’s location, tank capacity and installation requirements.
Explore our range of oil tanks:
Please note: Oil tank installation requirements depend on capacity, location, intended use and applicable regulations. Seek advice from a competent oil tank installer before choosing a tank.