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Total Coating Application Solution for Water Parks

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Mosaic swimming pool renovation plan

Release Time：

2025-09-19 17:59:56

1. Project Overview (1) Renovation Goals: Repair the existing damage and leakage problems of the mosaic swimming pool, improve the durability, water resistance and aesthetics of the swimming pool surface, extend the service life of the swimming pool, and meet the long-term stable use needs of the swimming pool. 2. Material selection and characteristics (1) Unsaturated paint (primer + Intermediate paint) 1. Composition: It uses high-performance unsaturated resin and different additives as the main film-forming materials, integrating various technological contents into one. The film-forming coating contains a large amount of unsaturated resin,

1. Project Overview

(1) Transformation goals

Repair the existing damage and leakage problems of the mosaic swimming pool, improve the durability, water resistance and aesthetics of the swimming pool surface, extend the service life of the swimming pool, and meet the needs of long-term stable use of the swimming pool.

2. Material selection and characteristics

(1) Unsaturated paint (primer + Intermediate paint)

1. Composition: It uses high-performance unsaturated resin and different additives as the main film-forming materials, integrating various technological contents into one. The film-forming coating contains a large amount of unsaturated resins, anti-aging agents, dispersants, etc. , This makes the cohesive force between polymer chain segments strong.

2. Core features

◦ Strong adhesion: It can be closely combined with the mosaic surface and base layer, effectively enhancing the adhesion between subsequent coatings and base layers.

◦ Good filling: It can fill the small gaps and tiny depressions on the mosaic surface to form a smooth transition layer, laying a good foundation for topcoat construction.

◦ Good water resistance: It has a certain ability to resist water penetration, which can initially block moisture from intruding into the base layer and reduce the risk of leakage.

◦ Moderate drying speed: at room temperature ( 20-25℃ ), the primer drying time is approx. 4-6 hours, the drying time of the middle coat of paint is about 6-8 hours to facilitate construction connection.

(2) Asparagus polyurea topcoat

1. Composition: It is composed of aspartic acid ester resin, isocyanate curing agent, pigments and fillers, additives, etc.

2. Core features

◦ Super weather resistance: It can resist long-term ultraviolet radiation, does not fade or chalk, and can adapt to the complex climate environment of outdoor swimming pools.

◦ Excellent water and chemical resistance: It can be immersed in water for a long time, and is resistant to corrosion by disinfectants (such as chlorine) in swimming pool water, and is not prone to bubbling and peeling.

◦ Fast cure: At room temperature, after spraying 10-30 It can be dry in minutes. 24 Completely cured within hours, significantly shortening the construction cycle.

◦ High elasticity and impact resistance: The elongation at break can reach 300% The above can adapt to the slight deformation of the base layer, effectively resist external impact and reduce surface damage.

3.Construction process

(1) Preliminary preparation

1. Drainage and dredging: Completely drain the accumulated water in the swimming pool, use a water pump to extract the remaining water, and then clean the silt, debris and moss on the bottom and walls of the pool, using a high-pressure water gun (pressure 0.8-1.2MPa ) Rinse the surface to make sure there is no obvious dirt.

2. Damage repair: Check the status of the mosaic. For fallen or loose mosaics, first remove the surrounding damaged parts, clean the dust and debris on the base layer, use epoxy mortar to repair the base layer, and wait until the mortar solidifies ( 24 hours), re-paste the mosaic of the same specification to ensure a smooth surface.

(2) Grassroots treatment

1. Polish: Use an angle grinder to polish the mosaic surface as a whole to remove the surface aging layer, oil stains and raised impurities, so that the surface roughness reaches 40-60μm , enhance the adhesion of unsaturated paint ； After sanding, use a vacuum cleaner to clean the surface dust, and then wipe it clean with a clean rag.

2. Moisture content detection: Use a concrete moisture content meter to detect the moisture content of the base layer, and the required moisture content ≤8% ； If the moisture content exceeds the standard, a blower or drying equipment must be used to ventilate and dry until the standard is reached.

(3) Unsaturated paint (primer + Intermediate paint) construction

1. Primer application

◦ Proportion: Follow unsaturated paint primer 3 :1 Mix, stir well and let stand 5-10 minutes to eliminate bubbles.

◦ construction: Use a wool brush or short-bristled roller to apply the paint evenly, and control the thickness of the paint to 30-40μm , to avoid leakage and sagging ； Each time an area is painted (approx. 5-10 ㎡), check if there are any bubbles in time. If there are bubbles, pop them with a needle and smooth them out. ； Primer application 1 over and wait until completely dry ( 4-6 hours, room temperature) and then enter the next process.

1. Intermediate paint application

◦ Proportion: In the same proportion as the primer, mix and stir evenly according to the instructions for the mid-coat product.

◦ construction: Use a roller to paint, and control the thickness within 50-60μm , paint 1-2 (Adjust according to the flatness of the surface. If there are still small gaps on the surface, increase the 1 all over) ； Interval between each coat of paint 6-8 hours (dry at room temperature), after the last coat of mid-coat dries, apply 400 Lightly grind the surface with mesh sandpaper to remove burrs and particles, and clean the dust before use.

(4) Construction of Tiandong polyurea topcoat

1. Preliminary preparation: Check the surface of the mid-coat paint to ensure there is no dust, oil, or damage ； The construction environment temperature is controlled at 5-35℃ , relative humidity ≤85% , if the ambient humidity exceeds the standard, a dehumidifier needs to be turned on to reduce humidity. ； Prepare high-pressure airless spray equipment (nozzle diameter 0.4-0.6mm , work pressure 15-20MPa ), debug the equipment in advance to ensure uniform spraying.

2. Material ratio: Follow Asparagus Polyurea Topcoat A Component (aspartate resin) with B The ratio of components (isocyanate curing agent) (usually 1:1 , refer to the product manual for details), automatically mixed by the equipment, after mixing, it must be 20 Use within minutes (avoid curing).

3. Spraying construction

◦ First coat of spray: Starting from one end of the swimming pool, spray at a constant speed along the vertical direction of the pool wall, and control the thickness to 80-100μm , ensuring that the coating evenly covers the surface of the intermediate paint without any leakage or bottom exposure. ； During spraying, keep the distance between the spray gun and the surface 30-40cm , moving speed 20-30cm/s .

◦ Second coat of spray: Wait until the first coat of topcoat is dry ( 10-30 minutes), spray the second time in the horizontal direction, and control the thickness to 100-120μm ； The total dry film thickness reaches 200-220μm , to meet the long-term use needs of the swimming pool.

1. Curing and curing: After spraying is completed, 24 No one is allowed to enter the swimming pool during hours to avoid damage to the coating ； 7 It is forbidden to fill the swimming pool with water during the day to ensure that the coating is completely cured (maintain ventilation during the curing period to avoid high temperature exposure or low temperature freezing damage).

(5)Acceptance and closing

1. Appearance acceptance: The coating surface should be flat and smooth, without defects such as bubbles, pinholes, sagging, peeling, etc., and the color should be uniform (in line with the design color card).

2. Performance testing: Use the crosshatch method to detect adhesion (crosshatch spacing 1mm , adhesion level ≥1 class) ； Conduct a closed water test on the swimming pool, fill it with water to the design water level, and observe 24 Hours, there is no leakage at the bottom or wall of the pool.

3. Cleaning up: After passing the inspection and acceptance, clean up the tools and material residues at the construction site, collect and transport the construction waste, and keep the environment around the swimming pool clean and tidy.

4. Quality control measures

1. Material quality control: All materials (unsaturated paint, asparagus polyurea topcoat, auxiliary materials) must provide factory certificates and test reports.

2. Construction process control: Before the construction of each process, technical briefings are given to the operators ； During the construction, quality inspectors were arranged to inspect the entire process, focusing on checking the moisture content of the base layer, coating thickness, and accuracy of the ratio, and rectifying any problems found in a timely manner. ； After each process is completed, it must be accepted before entering the next process.

3. Post-maintenance control: Develop a maintenance management system, arrange for dedicated personnel to be responsible for inspections during the maintenance period, and prohibit irrelevant personnel from entering the swimming pool to prevent the coating from being hit or scratched. ； If it rains during the maintenance period, it must be covered with a rainproof cloth in time to prevent rain from washing away the uncured coating.

5. Safety protection measures

1. Personal protection: Operators need to avoid direct skin contact with coatings and auxiliary materials ； Conduct safety training before construction and master emergency response methods.

2. Site protection: Set up obvious warning signs at the construction site and keep the construction site well ventilated.

3. Device security: Before construction, check the lines and joints of the high-pressure airless spray equipment to ensure there is no leakage. ； Equipment operators must hold certificates to work and operate in strict accordance with equipment operating procedures. Any illegal operations are prohibited. ； After the construction is completed, clean the equipment in time to prevent the paint from solidifying and blocking the pipes.

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