Chemical Bund Lining

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Chemical Bund Lining

A Chemical Bund Lining is a wall or barrier that surrounds a primary storage vessel such as tanks, drums and IBC’s to prevent spillage. These structures are often used on petrol chemical sites, lube oil sites and other locations where an additional layer of safety is required.

Many pieces of UK legislation recommend or require that any chemical storage site has a secondary containment structure in place. These include PPG26 – The Storage of IBC’s & Containers, HS(G)176 – The storage of flammable liquids in containers and the Environment Agency guidelines on oil and chemical tank farm sites.

Fibreglass is a highly durable and long lasting solution for lining chemical bunds. It can withstand normal structural movement and has excellent resistance to punctures, tears, abrasions, UV radiation and temperature extremes. The surface is also slip resistant and easy to clean, making it ideal for busy worksite conditions.

Preserving Integrity: A Deep Dive into Chemical Bund Lining Solutions

Polyurethane and polyurethane epoxy coatings are also a suitable choice for bund lining. These materials offer a greater choice of colour and can be applied to both concrete and steel structures. They do however have lower chemical resistance than fibreglass and may be damaged by prolonged exposure to hydrocarbons.

The surfaces of this concrete bund were inspected and prepared for coating by vacuum controlled diamond grinding to remove contamination and laitance. All blow holes were filled with a twin component polyester filler and primed with one coat of solvent-free, concrete primer RH800. A second coat of Remmers Epoxy WHG was then applied by brush and roller to a nominal thickness of 1000 microns. The epoxy is flexible once cured, which makes it the preferred choice for areas of a chemical bund that may be subject to future movement.

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