5000 Gallon Fire Water Storage Tank

Galvanized water tanks outperform poly tanks during wildfires

Fire water storage tanks need to withstand the different types of heat and flame conditions during a wildfire. Red-hot ambers from leaf litter or ones blown during high winds can affect the performance of your fire water tank, as well as radiant heat from approaching fire and direct exposure to flames.

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Poly tanks are typically made of polyethylene, a ductile thermoplastic that can be melted to be re-formed again and again – that’s what makes it such a great material for recycling. Under the stress of radiant heat exposure, combined with the stress of holding water, poly tanks can become unstable, beginning to sag and split. The transition temperature for polyethylene, the point at which it starts to soften, is just above the temperature of boiling water. Even when exposed to ambers, poly tanks can start to blister around the base.

Galvanized tanks come in two types; rolled galvanized tanks for small volumes around 5000 Gallons and bolted liner tanks for 5,000 Gallons and up.

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In contrast to poly tanks, Aquamate’s galvanized fire water storage tanks can remain effective, even during wildfires

• The galvanized steel tank shell and roof protects the water and liner from ambers that can blow in on the high winds
• When exposed to radiant heat, the water inside the fire tank acts as a giant heat sink which inhibits any damage to the liner
• Even when exposed directly to flames, Aquamate’s fire water storage tanks continue to be effective. Under a direct flame, the exposed sections of liner above the water line will melt, but because the liner material floats, the fire tank can continue to hold the majority of its water until empty.

Research and Testing were undertaken by the Bushfire Cooperative Research Centre (now Bushfire and Natural Hazards CRC) into the use of both poly and galvanized steel tanks has shown that galvanized steel water storage tanks have the best chance of providing effective wildfire protection for your property.

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