Tashkent Region is a land of heavy industry. Non-ferrous metal ores and coal are mined and processed here, steel is smelted, fertilisers and other chemical products are made, cement is produced, and thermal and hydroelectric power plants operate. According to the National Statistics Committee, at the end of 2025 the region ranked third in the country by industrial output, and in metallurgy (January–October 2025) it was second only to Navoi Region; according to the Third National Communication (2016), most of the country’s coal is also mined here. At such sites a coating is not a finish but part of the reliability of production: it determines how long a steel structure will last in a gas-laden atmosphere, whether a foundation will withstand the vibration of a mill, and whether a workshop frame will retain its load-bearing capacity in a fire.
Industrial facilities in the region and what destroys their protection
| Type of facility | Main load on the coating | What is usually used |
|---|---|---|
| Crushing, grinding and concentration buildings | abrasion, slurry splashes, acidic and alkaline reagents, vibration | chemical-resistant epoxy systems and linings, epoxy grout under crushers and mills |
| Metallurgical workshops | heat, sulphurous gases and dust, crane loads | heat-resistant coatings, zinc-rich primers, crane rail grouting |
| Chemical plants and fertiliser warehouses | acids, alkalis, ammonia, hygroscopic salt dust | chemical protection selected using the questionnaire |
| Thermal power plants and boiler houses | cable runs, hot surfaces, vibration of units | cable fire protection, precision epoxy grouting |
| Hydraulic structures | permanent immersion in fresh water, level fluctuations | high-build epoxy systems for category Im1 |
| Cement plants | dust, heat, heavy rotating equipment | grouting under drives and supports, heat-resistant systems |
The atmosphere of an industrial site: not to be confused with the regional climate
The region stretches from irrigated plains to the ridges of the Western Tien Shan, and its climate is twofold. The foothills receive on average about 386 mm of precipitation a year, the mountain spurs about 840 mm; the frost period in the mountain zone of the Chirchiq–Akhangaran area lasts about 110 days, avalanches occur in the mountains, and mudflows in the valleys of the Kurama, Ugam, Pskem and Chatkal ranges (Uzbekistan’s national communications under the UNFCCC). On the plain the summer is hot and dry: in July 2026 the Nurafshan station broke its 1983 record with 44.0 °C (Uzhydromet). For concrete and grouts in the mountainous part this means frost resistance and protection against water; for painting on the plain, heat and dust. But for steel at a plant the decisive factor is usually not the climate but the emissions and spills of the plant itself and of its neighbours in the industrial zone: sulphurous gases, acid mist, fertiliser dust that absorbs moisture and turns into an electrolyte on the steel. It is no coincidence that a UNECE review names Angren and Almalyk among the industrial cities with a fairly high air pollution index.
That is why the environment category here is not carried over from one workshop to another. For exposed structures at industrial sites it is, as a rule, C3–C4, and near a source of emissions it can be higher; it is finally established on site by applying ISO 9223 and ISO 12944-2 to the specific location. If the project follows the codes of Uzbekistan, the degree of aggressiveness is determined under ShNK 2.03.11-24, taking into account the group of aggressive gases — see corrosion protection standards in Uzbekistan. For areas with chemical spills an ISO category is not suitable at all: the system is selected according to the composition of the medium using the questionnaire.
Fire protection of workshops and power facilities
The fire resistance rating of the frame is set by the design, but the choice of material in a hot workshop has its own specifics. Many thin-film paints have a limited service temperature and limited resistance to aggressive atmospheres, so near furnaces and in chemically polluted environments cementitious plasters or epoxy fire protection systems with their own anti-corrosion resistance are more often chosen. In the cable tunnels and galleries of power plants, cable fire protection is combined with sealing of penetrations between compartments: it is precisely through them that fire travels along a cable run.
Grouts for heavy equipment
Crushers, ball mills, conveyor drives, fans and compressors transmit impacts and vibration to the foundation. Under such machines a cementitious grout eventually breaks down at the contact with the baseframe, so epoxy products are used for them, and non-shrink cementitious grouts under the static supports of columns and vessels. Large volumes of epoxy are poured in sections or using special grades that allow a thick layer. Anchoring is designed with seismicity in mind: Chirchiq and Nurafshan are assigned to the intensity 8–9 zone, and Almalyk, Bekabad, Akhangaran and Yangiyul to intensity 8 on the MSK-64 scale (Cabinet of Ministers Resolution No. 727 of 17.11.2025). The whole procedure — from substrate preparation to start-up — is described on the equipment grouting page.
Repairs at an operating plant
At a working plant, repairing protection is a task in its own right: abrasive blasting cannot be done everywhere and at any time, and stopping a workshop is expensive. We start with a survey: we find the cause of failure of the old system, map the zones by aggressiveness, select repair materials that tolerate power tool cleaning, and tie the work to planned shutdowns. For maintenance departments we run practical seminars.
We supply materials to sites in Nurafshan, Chirchiq, Almalyk, Angren, Bekabad, Akhangaran, Yangiyul and other towns in the region — the delivery schedule is linked to the repair windows. On request, we organise application through partner contractors, with inspection to the plan.
Projects in the capital itself are described separately — fire and corrosion protection in Tashkent; the power industry and saline soils of the neighbouring region are on the Syrdarya Region page, and all regions are in the general list.
Questions from plant departments
What should a crusher or mill be grouted with?
As a rule, with an epoxy grout designed for dynamic loads and the required layer thickness — unless the equipment manufacturer’s installation documentation requires otherwise. Under impact loads a cementitious grout loses contact with the baseframe more quickly.
Can workshop structures be repainted without a complete shutdown?
Often, yes: the areas are divided into sections, and where abrasive blast cleaning is impossible, epoxy mastics that tolerate power tool cleaning are used. But a survey comes first — otherwise the repair will repeat the mistakes of the previous system.
Why won’t a “universal” chemical-resistant paint do?
Because resistance depends on the specific substance, its concentration and temperature. An acid, an alkali and a solvent require different binders, so we do not propose a system without a questionnaire.
An enterprise or construction project in Tashkent Region? Describe the environment, the equipment and the shutdown dates, and we will select a solution and calculate the materials. Phone and messengers: +998 94 094 52 27. Send questionnaires, photographs of defects and drawings to info@ognezashita.uz.