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WINWINPOOL POOL PAINT SYSTEM 70SQ–160 MICRONS 4 COATS

SKU : POOL-PAINT-SET70SQ-160

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Short Description

WINWINPOOL swimming pool paint system designed for concrete surfaces of approximately 68–70 sq.m. The complete 4-coat system consists of 2 coats of Concrete Sealer primer and 2 coats of Unithane W-4000 polyurethane topcoat.

The target dry film thickness is approximately 40 microns per coat, providing a total dry film thickness of approximately 160 microns. The set includes the appropriate thinner for each coating system and a concrete moisture meter, with a total of 17 items included in the complete set.

Suitable for swimming pools measuring approximately 4 × 8 × 1.5 meters, with a water volume of around 50 cubic meters, based on an actual paintable surface area of approximately 68 sq.m.

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SKU: POOL-PAINT-SET70SQ-160

WINWINPOOL 4-Coat Swimming Pool Paint System 160 Microns for approx. 70 m²

WINWINPOOL POOL PAINT SYSTEM 70SQ160 MICRONS 4 COATS

A complete coating system for concrete pools: 2 coats of epoxy primer + 2 coats of polyurethane topcoat, with matched thinners and a concrete moisture meter. 17 pieces in total.

68-70 m²
Internal pool surface
4 coats
2 primer + 2 topcoat
160 microns
Total dry film thickness
17 pieces
Complete kit

Product Details

 

WINWINPOOL POOL PAINT SYSTEM 70SQ 160 MICRONS is a swimming pool paint kit for concrete pools, with quantities calculated from surface area and target film thickness. It suits a concrete pool surface of approx. 68-70 m², such as a pool of about 4 × 8 × 1.5 m (approx. 50 m³ of water) with an actual painted area of about 68 m².

The system is applied in 4 coats: 2 coats of Concrete Sealer epoxy primer and 2 coats of Unithane W-4000 polyurethane topcoat. The target dry film thickness is approx. 40 microns per coat, for a total of approx. 160 microns.

Extra quantity is included to allow for mixing losses, paint left in containers and on rollers, and surface roughness, porosity and absorption reducing the risk of running short mid-job.

Key Benefits

 
 
Complete 4-coat system in one kit2 coats of epoxy primer and 2 coats of polyurethane topcoat
 
Approx. 160 microns total thicknessTarget 40 microns per coat × 4 coats
 
2 primer coats seal the concreteReduces concrete absorption before the topcoat
 
Thinners matched to each coatingW-M68 for Concrete Sealer and W-M22 for W-4000
 
Concrete moisture meter includedCheck surface moisture before every coat
 
Choice of topcoat colourUnithane W-4000 is available in a range of colours

Who Is It For?

 
New concrete pools Concrete cured for at least 28 days and passing a moisture check before painting
Existing pool renovation Once deteriorated old paint is removed, cracks are repaired and the surface is properly prepared
Pools with approx. 68 - 70 m² surface e.g. a 4 × 8 × 1.5 m pool, approx. 50 m³ of water
Homeowners, technicians and contractors Who want pre-calculated quantities plan the job and order everything at once

What's in the Kit (17 Pieces)

 
ItemQtyVolumeUsePrice
Concrete Sealer A+B
Epoxy primer · 3 sets (3 large A cans + 3 small B cans)
6 cans~11.36 L2 primer coats3,381 × 3
THB 10,143
Unithane W-4000 A+B
Polyurethane topcoat · 4 sets (4 tall A cans + 4 short B cans) · colour of choice
8 cans12 L2 topcoats3,238 × 4
THB 12,952
Thinner W-M68
For epoxy primer · use with Concrete Sealer only
1 gallon3.785 LThinning / cleaning, coats 12THB 1,127
Thinner W-M22
For polyurethane topcoat · use with Unithane W-4000 only
1 gallon3.785 LThinning / cleaning, coats 34THB 1,219
Digital concrete moisture meter
Checks moisture before every coat
1 unit Check before each coatTHB 794

Note: Part A and Part B cans of Concrete Sealer and W-4000 differ in size according to the 4:1 mixing ratio.

The 4-Coat System

 
Coat 4
Unithane W-4000 A+B · final topcoat
~40 µm · Thinner W-M22
Coat 3
Unithane W-4000 A+B · first topcoat
~40 µm · Thinner W-M22
Coat 2
Concrete Sealer A+B · second epoxy primer coat
~40 µm · Thinner W-M68
Coat 1
Concrete Sealer A+B · first epoxy primer coat
~40 µm · Thinner W-M68
Substrate
Concrete pool surface · prepared and within moisture limits
Moisture 4%*
Target total dry film thickness 40 × 4 = approx. 160 microns

How We Calculate Area and Paint Quantity

 
Example: 4 × 8 × 1.5 m pool
Floor: 4 × 8 = 32 m²
Walls: (4 + 8 + 4 + 8) × 1.5 = 36 m²
Total painted area: 68 m² use the 70 m² kit
Concrete Sealer primer
Area for 2 coats: 70 × 2 = 140 m²
Reference coverage ~52 m² per set
140 ÷ 52 = 2.69 sets (theoretical)
Supplied: 3 sets to allow for absorption, porosity and application losses
Unithane W-4000 topcoat
Area for 2 coats: 70 × 2 = 140 m²
Reference coverage ~41 m² per set
140 ÷ 41 = 3.41 sets (theoretical)
Supplied: 4 sets for continuous film thickness across the surface

Coverage rates are estimates. Actual consumption depends on surface roughness, porosity, application method, tools and site conditions.

Film Thickness Control

 
Formula
WFT = DFT ÷ Volume Solids
DFT = dry film thickness · WFT = wet film thickness
Total DFT = DFT per coat × number of coats
Preliminary estimate at ~55% volume solids
Wet film per coat: 40 ÷ 0.55 73 microns
Total wet film: 73 × 4 292 microns

We recommend checking with a wet film thickness comb during application and recording readings for each area, to keep thickness even across the pool. (The wet film comb is optional and not included in the standard 17-piece kit.)

Surface Preparation

 
  1. New concrete should cure for at least 28 days
  2. The surface must be sound, clean and dry, with no hydrostatic pressure from behind
  3. The surface must be clean and dry, free from dust, oil, grease, algae, efflorescence and deteriorated old paint
  4. Sand or grind the concrete to open the surface for good adhesion
  5. Repair cracks, voids, joints and defects before starting
  6. Remove all sanding/grinding dust and let the surface dry completely
  7. Measure moisture at several points, especially the floor, deep end, corners and repaired areas
  8. Measure moisture before every coat
Moisture requirements

Check moisture with the concrete moisture meter before every coat. If the meter reads in percent, we recommend no more than 4%, or follow the meter and coating manufacturers' standards.

Do not paint when
  • The surface is wet or seeping water
  • There are water droplets or dew on the surface
  • Relative humidity is above 85%
  • Surface temperature is below the dew point
  • The concrete has hydrostatic pressure from behind
Surface temperature should be at least 3°C above the dew point

Mixing 2-Part Coatings and Using Thinners

 
How to mix A+B
  1. Stir Part A until uniform before mixing
  2. Add Part B to Part A at the ratio on the label
  3. Mix with a low-speed mixer until uniform
  4. Mix only what you can use within the pot life
  5. Never estimate the ratio by eye
  6. Never add extra A or B without weighing or measuring
  7. Do not pour mixed paint back into the original can
W-M68
Use only with Concrete Sealer (coats 12)
W-M22
Use only with Unithane W-4000 (coats 34)
Add thinner only when needed for the application method, weather and label instructions. Over-thinning causes thin film, sagging and reduced coverage. Never use the wrong thinner or swap thinners between the epoxy and polyurethane systems.

Application Steps

 
1
 
Inspect the surface
Clean and repair the surface, and measure moisture at several points before starting. Begin painting only when the surface passes.
2
 
Concrete Sealer coat 1
Mix Concrete Sealer A+B at the ratio on the label and apply evenly across the surface. Target dry film thickness approx. 40 microns.
Touch dry ~4 hRecoat after 14 h
3
 
Concrete Sealer coat 2
Re-check the surface and moisture before applying the second coat of Concrete Sealer A+B. Target dry film thickness approx. 40 microns.
Touch dry ~4 hRecoat after 14 h
4
 
W-4000 topcoat coat 1
Mix Unithane W-4000 A+B at the ratio on the label and apply evenly. Target dry film thickness approx. 40 microns.
Touch dry ~1 hRecoat after 3 h
5
 
Check before the final coat
Re-check the surface and moisture. Remove dust nibs, sags, roller marks and other defects. The surface must be free of dew and condensation.
6
W-4000 topcoat coat 2 (final)
Apply the final coat of Unithane W-4000 A+B continuously over the whole surface. Target dry film thickness approx. 40 microns.
Cure 5 days before filling

All times are referenced at approx. 23°C and vary with temperature, humidity and ventilation.

Curing time before filling
At least 5 days
At approx. 23°C after the final coat. Allow longer in cool, humid or poorly ventilated conditions.
During curing, protect from
Rain Dust Dew Washing Foot traffic

Recommended Extras

 
Wet film thickness comb Short-nap roller Edging brush Low-speed paint mixer Clean mixing buckets Temperature & humidity meter Dew point meter Gloves, goggles, vapour respirator

These items are not included in the standard kit. Ask our team for details.

Safety Precautions

  • Products and thinners are flammable
  • Use in a well-ventilated area
  • Keep away from flames, sparks and heat sources
  • Wear gloves, goggles, a vapour respirator and suitable protective equipment
  • Do not paint on wet surfaces
  • Do not paint on surfaces under hydrostatic pressure
  • Do not paint on concrete that has not fully cured
  • Actual consumption depends on roughness, porosity, application method, tools and site conditions
  • Drying and recoat times may vary with temperature, humidity and ventilation
  • Check the label and the latest product data sheet before use

Warranty

Up to 3-year warranty, subject to company terms
The warranty does not cover damage caused by
  • Structural cracking
  • Hydrostatic pressure
  • Excess moisture
  • Improper surface preparation
  • Incorrect mixing ratio
  • Wrong thinner
  • Unsuitable water quality

Frequently Asked Questions

 
What pool size is this kit for?
A painted area (floor + all walls) of approx. 6870 m². For example, a 4 × 8 × 1.5 m pool (approx. 50 m³ of water) has about 68 m² to paint.
Why is there more paint than the theoretical calculation?
Theoretically you need about 2.69 sets of Concrete Sealer and 3.41 sets of W-4000, so we supply 3 sets of Concrete Sealer and 4 sets of W-4000 to allow for concrete porosity and absorption, surface roughness, and losses in mixing, containers and rollers.
Can W-M68 and W-M22 thinners be swapped?
No. W-M68 is only for Concrete Sealer and W-M22 is only for Unithane W-4000. Never use the wrong one or swap them between systems.
How dry must the surface be before painting?
If the meter reads in percent, no more than 4% (or per the manufacturer's standard), relative humidity no higher than 85%, and surface temperature at least 3°C above the dew point. Check before every coat.
How long before I can fill the pool?
At least 5 days at approx. 23°C. Allow longer in cool, humid or poorly ventilated conditions.
Can I choose the pool colour?
Yes. The Unithane W-4000 topcoat is available in a range of colours tell our team your choice when ordering. Actual colour may differ slightly from on-screen images.
Can it be used on a previously painted pool?
Yes, for renovation work once the surface is properly prepared, deteriorated old paint is removed and cracks are repaired. We recommend sending photos of the pool for our team to assess before ordering.
Is a wet film thickness comb included?
No, it is an optional extra. The standard 17-piece kit includes one concrete moisture meter.
My pool is larger than 70 m². What should I do?
Send us the width × length × depth and our team will calculate the area and recommend the right kit size.
How long is the warranty?
Up to 3 years, subject to company terms. It does not cover damage from structural issues, moisture, surface preparation or use not in line with the instructions.
Note: Actual product colour may differ slightly from on-screen images. Consumption and drying times are estimates and vary with temperature, humidity, ventilation, application method and surface conditions. Please confirm colour, quantities and application requirements with our team before ordering.

Want to check the right paint quantity for your pool?

Send us your pool's width × length × depth or photos of the surface, and our team will calculate the area and recommend a kit · www.winwinpoolshop.com

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