Tank Linings, Process Vessels & Storage Tanks
Cold-applied internal and external linings for storage tanks, process vessels, and secondary containment, installed in place without hot work for chemical and immersion service.
What Tank & Vessel Linings involves
A tank, vessel, or bund that is losing wall thickness is a clock running against your next outage. Stored chemicals attack the floor and the floor-to-shell weld. Hot liquor thins linings inside digesters and evaporators. Water wicks in under the tank chime and eats the floor plate from beneath. Porous concrete lets a spill travel through the bund and reach the soil. AAS is the field crew that stops that progression. We are factory-trained and factory-certified Belzona applicators based in Baton Rouge, serving Louisiana for over 25 years. We prepare the surface, repair the substrate, and apply a cold-cure lining matched to your stored product and service temperature. No hot work. No liner-replacement weld cycle. The asset comes back inside the shutdown you already have on the calendar.
Tank floors, shells, and the chime where corrosion starts
Stored product settles where it is stagnant, and that is where steel thins first. On chemical storage tanks, the floor and the floor-to-shell weld carry the attack once the old lining wears through. AAS applies a cold-cure lining as one continuous film over the prepared interior. There are no welds to recoat and no heat soak to schedule around. The tank returns to service as a single joint-free surface.
The other failure point is underneath. Water wicks in at the tank-to-foundation rim and attacks the floor plate from beneath, and every rain cycle makes it worse. We seal the steel-to-concrete chime with a flexible cold-applied coating and reinforce the inside rim. That work fits inside a routine inspection window, so you address underside corrosion without opening a full floor project. Supporting systems here include immersion-grade Belzona linings for the tank interior and flexible Belzona membranes for the chime and rim detail.
Process vessels, towers, and high-temperature service
Process vessels, knock-out drums, clarifiers, and separators corrode at welds, access ports, and the water leg where produced water and solids settle against the shell. AAS lines each interior with a cold-cure system chosen for that specific service. The vessel returns inside the existing turnaround instead of waiting on fabrication.
Hot and wet service is its own category. Kraft digesters carry sulfate-rich liquor that thins linings and corrodes every weld and port in one campaign. Evaporators, de-aerators, autoclaves, scrubbers, and absorber towers run hot or take acidic condensate that breaks ordinary coatings down. We apply ceramic-filled high-temperature immersion linings matched to the operating temperature, with a chemical-resistant overlay where acid drives the failure. The vessel recoats cold during the scheduled outage. Ceramic-filled and immersion-grade Belzona series carry the high-temperature work.
Secondary containment, bund walls, and certified linings
Containment has to hold its rated volume, and concrete does not cooperate forever. Bund walls spall from the inside out, expose rebar, and open cold-joint cracks until the wall no longer holds its number. Porous concrete and cracked joints let spilled acid, alkali, or process product travel through the bund toward the soil. AAS rebuilds the spalled face, caps it with a barrier coating, and lines the zone with a chemical-resistant system matched to the worst-case spill. There is no replacement demolition, and the facility holds the volume its SPCC plan requires. Belzona concrete-repair and chemical-resistant lining series cover the rebuild and lining work.
Some linings have to pass an audit, not just hold product. Food and beverage tanks face daily caustic wash-down and hot clean-in-place cycles. Drinking-water tanks need a coating rated for direct contact. We apply hygienic and potable-water systems carrying the relevant food-zone and drinking-water certifications, so the surface is cleanable, rated for its service, and ready for inspection. A hygienic Belzona coating supports the food-zone work.
What you get back: the unit, the volume, and the schedule
Every job above shares the same payoff. The lining cures cold, so there is no hot work permit, no heat soak, and no weld cycle to manage around live process equipment. The repair happens inside the outage, inspection window, or turnaround you already planned, which means the downtime you avoid is real downtime, not a separate shutdown.
The asset goes back to work with extended life. The floor, weld, or wall that was thinning is now a continuous chemical-resistant film. The bund holds its rated volume. The tank base resists water ingress. And the certified linings pass audit. AAS runs a strong safety record and 24-hour on-call service, so when a vessel fails between turnarounds, the same Louisiana crew that lines refiners, petrochemical producers, and marine operators is ready to mobilize.
Identify, engineer, and provide the fix
AAS works cold-applied: no hot work and no hot-work permits to remove or install. Most repairs happen in service or on a planned turnaround, without the permitting burden and downtime that hot work brings.
Identify
We are on call 24 hours and work with your engineering team to identify the problem and what is driving it.
Engineer the solution
We develop the repair, both engineered and non-engineered solutions, matched to the conditions the asset actually sees.
Provide products and services
We deliver what it takes to solve it: factory-trained, NACE-certified applicator support and turnkey services as requested, in-house, in the field, and in a controlled shop environment through Advanced Applications Specialists.
Applications in Tank & Vessel Linings
Internal tank linings
Cold-cure linings for the inside of storage and product tanks, protecting floors, walls, and the floor-to-shell weld in chemical and immersion service.
Chemical storage tank linings
Stored chemicals attack tank floors and the floor-to-shell weld, thinning steel where stagnant product settles and the old lining has worn through.
Potable-water tank lining
Internal corrosion in drinking-water tanks and pump components forces a choice between costly replacement and a certified recoat.
Food and beverage hygienic linings
Tanks and troughs in food and beverage plants face daily caustic wash-down and hot CIP cycles that ordinary coatings cannot pass on audit.
Process vessels & drums
Linings and corrosion repair for process vessels, separators, drums, digesters, evaporators, and scrubber towers in aggressive process service.
Process vessel and drum linings
Process vessels, knock-out drums, and clarifiers corrode at welds and access ports where the product chemistry thins the original liner.
Separator vessel lining
Oil, gas, and water separators corrode at the water leg and internals where produced water and solids settle against the shell.
Digester lining and repair
Kraft digesters carry hot sulfate-rich liquor that thins linings and corrodes every weld and access port over a single campaign.
Evaporator, de-aerator and autoclave lining
Evaporators, de-aerators, and autoclaves run hot and wet, so conventional linings break down and the shell corrodes at welds and tube zones.
Scrubber and absorber tower lining
Scrubbers and absorber towers face acidic condensate and wet chemical attack that thin shell steel at the internals and liquid distribution zones.
Storage tanks & secondary containment
Secondary containment, bund walls, tank bases, and process areas sealed and lined to hold product and keep it off the ground.
Secondary and chemical containment lining
Porous concrete and cracked joints let spilled acid, alkali, or process product travel through the bund and reach surrounding soil.
Tank base sealing and water-ingress prevention
Water wicks in at the tank-to-foundation rim and attacks the floor plate from beneath, accelerating underside corrosion with every rain cycle.
Bund wall rebuild and lining
Bund walls spall from the inside out, exposing rebar and opening cold-joint cracks until the wall no longer holds its rated volume.
Process wall chemical-resistant lining
Process-area walls take splash, mist, and spill that ordinary paint cannot survive, especially at the floor-wall junction where product puddles.
Typically applied with 4000 Series, 5000 Series Belzona systems, matched to the service conditions.
What this does for your facility
Industries where this is commonly used
Related capabilities
Have equipment that needs to stay in service?
Tell us what is failing. We respond quickly, and we offer 24-hour on-call service.