{"id":10256,"date":"2026-11-13T08:07:28","date_gmt":"2026-11-13T08:07:28","guid":{"rendered":"https:\/\/www.jinyupaint.com\/?post_type=product&p=10256"},"modified":"2026-11-13T08:07:29","modified_gmt":"2026-11-13T08:07:29","slug":"vinyl-ester-water-tank-lining","status":"publish","type":"product","link":"https:\/\/www.jinyupaint.com\/es\/producto\/vinyl-ester-water-tank-lining","title":{"rendered":"Vinyl Ester Tank Lining: Waterproof 3-Cloth System for Concrete Pools"},"content":{"rendered":"

Vinyl ester tank lining is a fiberglass-reinforced resin lining applied to concrete pools, tanks and channels to make the structure watertight and chemically resistant at the same time. The lining is built at 2\u20135 mm and declared against 75% sulfuric acid and 40% hydrochloric acid. The ACF-VE-3F5C-WT system bonds three layers of glass fiber cloth into vinyl ester resin, builds a mortar body, and seals the surface with two vinyl ester topcoats at 2\u20135 mm finished thickness. This page covers how the lining is built on a concrete tank, what it resists, where it is specified \u2014 from industrial wastewater pools to aquaculture tanks \u2014 and where the limits of the system sit.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
ACF-VE-3F5C-WT at a glance<\/caption>\r\n
Art\u00edculo<\/th>\r\nEspecificaci\u00f3n<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Sistema<\/td>\r\n3-cloth vinyl ester waterproof chemical-resistant tank lining<\/td>\r\n<\/tr>\r\n
Model<\/td>\r\nACF-VE-3F5C-WT<\/td>\r\n<\/tr>\r\n
Sustrato<\/td>\r\nConcrete pool, tank, channel, curbed containment area; brick or steel shells with suitable preparation<\/td>\r\n<\/tr>\r\n
Refuerzo<\/td>\r\n3 layers glass fiber cloth \/ mat<\/td>\r\n<\/tr>\r\n
Capa de acabado<\/td>\r\nTwo coats of vinyl ester topcoat<\/td>\r\n<\/tr>\r\n
Finished thickness<\/td>\r\n2\u20135 mm (0.08\u20130.20 in)<\/td>\r\n<\/tr>\r\n
Service life quoted<\/td>\r\n5\u20138+ years in the service it was specified for<\/td>\r\n<\/tr>\r\n
Application method<\/td>\r\nHand lay-up and roller application, ambient cure, no hot work<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

Why does a concrete pool need a vinyl ester tank lining rather than a coating?<\/h2>\r\n\r\n\r\n\r\n

Concrete is porous and mildly alkaline, and both properties work against it in water service. Water finds capillaries and shrinkage cracks, the reinforcing steel behind them starts to corrode, and the corrosion product expands and spalls the concrete from the inside \u2014 which is why a leaking pool rarely stays a leaking pool.<\/p>\r\n\r\n\r\n\r\n

A fiberglass-reinforced lining solves this differently from a paint film. The laminate carries its own tensile strength, so it bridges the shrinkage cracks that a coating would simply follow. The vinyl ester resin resists the chemical load in the water. And because the system is bonded layer by layer, it has no seams to fail \u2014 the failure mode of sheet liners at welds and fixings does not exist here.<\/p>\r\n\r\n\r\n\r\n

What does the lining resist?<\/h2>\r\n\r\n\r\n\r\n

The resin is quoted against seven media by 7-day immersion testing, with no change to the cured film in any of them.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Chemical resistance \u2014 7-day immersion, no change<\/caption>\r\n
Medio<\/th>\r\nConcentraci\u00f3n<\/th>\r\nResultado<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Sulfuric acid<\/td>\r\n75%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n
Hydrochloric acid<\/td>\r\n40%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n
Nitric acid<\/td>\r\n40%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n
Acetic acid<\/td>\r\n80%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n
Sodium hydroxide<\/td>\r\n20%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n
Hydrofluoric acid<\/td>\r\n20%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n
Phosphoric acid<\/td>\r\n100%<\/td>\r\nNo change after 7 days<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

For a pickle or brine tank the aggressive load is salt plus acetic acid; for a plating rinse tank it is dilute mixed acid; for a municipal pool it is chlorinated water. All three sit inside the envelope above, but the topcoat grade and the number of coats are confirmed against the actual water chemistry \u2014 total dissolved solids, pH range, temperature and disinfectant residual.<\/p>\r\n\r\n\r\n\r\n

One honest boundary:<\/strong> where the water is intended for drinking, the lining has to be a grade approved for potable water contact, with the relevant third-party certificate. That is a separate approval from corrosion performance, and it should be raised at enquiry stage rather than assumed.<\/p>\r\n\r\n\r\n\r\n

For trafficable slabs rather than tank interiors, see vinyl ester flooring<\/a>.<\/p>\r\n\r\n\r\n\r\n

Pools and tanks sit inside the same selection logic as floors, and are collected in chemical resistant flooring and linings.<\/p>\r\n\r\n\r\n\r\n

How is the lining built on a concrete tank?<\/h2>\r\n\r\n\r\n\r\n
\"Vinyl\r\n
Layer sequence of ACF-VE-3F5C-WT: concrete shell, vinyl ester penetrating primer, three glass fiber cloth layers, mortar, putty, two vinyl ester topcoats.<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n
    \r\n
  1. Concrete shell<\/strong> \u2014 cleaned, ground, and every void, honeycomb pocket and crack opened and filled. Wall and floor junctions are formed as a cove, not a right angle.<\/li>\r\n
  2. Vinyl ester penetrating primer<\/strong> \u2014 seals the substrate and anchors the laminate.<\/li>\r\n
  3. Glass fiber cloth \u00d7 3 in vinyl ester resin<\/strong> \u2014 the waterproof structural layer, lapped according to the method statement.<\/li>\r\n
  4. Mortar body<\/strong> \u2014 builds thickness, smooths the surface and protects the cloth on floors subject to cleaning or scraping.<\/li>\r\n
  5. Putty<\/strong> \u2014 closes the weave and pinholes.<\/li>\r\n
  6. Two vinyl ester topcoats<\/strong> \u2014 the final barrier, pigmented, applied in two passes so pinholes in the first coat are covered by the second.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n

    The tank version differs from the floor version in one detail that matters: two topcoats instead of the standard single-coat sequence, because a pinhole in a pool is a leak, while a pinhole in a workshop floor is usually cosmetic.<\/p>\r\n\r\n\r\n\r\n

    For a poured floor finish on the same resin, see self leveling vinyl ester flooring<\/a>.<\/p>\r\n\r\n\r\n\r\n

    Concrete pool versus steel tank: where the lining has to move<\/h3>\r\n\r\n\r\n\r\n

    A concrete pool and a steel tank take the same resin and a different detailing regime, because the two substrates move for different reasons.<\/p>\r\n\r\n\r\n\r\n

    A concrete pool moves at its construction joints and at the wall-to-floor kicker. Those joints are not defects to fill and forget: the lining either bridges them or follows them, and the method statement chooses which. Bridging needs a bond-breaker strip and a laminate schedule that lets the reinforcement stretch; following carries the joint through the lining as a designed seam.<\/p>\r\n\r\n\r\n\r\n

    A steel tank moves with temperature and with fill level, and its shell has no construction joints to plan around. The critical details move to the welds, the nozzle penetrations and the shell-to-base corner, where the lining is terminated and mechanically restrained rather than bonded to a moving edge.<\/p>\r\n\r\n\r\n\r\n

    The practical consequence: a specification written for a concrete pool applied unchanged to a steel tank usually leaks at the corner, and a steel-tank specification applied to a concrete pool cracks along a joint the lining was never designed to bridge. Ask which substrate the method statement was written for before comparing prices.<\/p>\r\n\r\n\r\n\r\n

    What are the mechanical properties?<\/h2>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    Test item<\/th>\r\nUnit<\/th>\r\nResultado<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
    Resistencia a la compresi\u00f3n<\/td>\r\nN\/mm\u00b2<\/td>\r\n\u2265 60 (8,700 psi)<\/td>\r\n<\/tr>\r\n
    Pencil hardness<\/td>\r\nH<\/td>\r\n\u2265 2H<\/td>\r\n<\/tr>\r\n
    Abrasion loss (750 g \/ 500 r)<\/td>\r\ng<\/td>\r\n\u2264 0.02<\/td>\r\n<\/tr>\r\n
    Resistencia a los golpes<\/td>\r\nKg\/cm\u00b2<\/td>\r\n\u2265 80<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

    Inside a tank these values cover hydrostatic load, cleaning equipment and, in aquaculture, the occasional dropped crate. They do not replace structural repair: a shell with active rebar corrosion or through-cracks needs repair before lining, not instead of it.<\/p>\r\n\r\n\r\n\r\n

    Where is vinyl ester tank lining specified?<\/h2>\r\n\r\n\r\n\r\n