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Sealant MS 426 Swimming Pool High-performance sealant for swimming pools - iCOM technology

The MS 426 Swimming Pool Sealant is a high performance sealant developed with iCOM technology exclusively for applications in areas permanently immersed in water or damp, such as swimming pools, saunas and external showers. It is solvent-free and permanently flexible. In addition, its formulation guarantees high resistance to chlorine and inhibits the formation of fungi.

Chlorine resistant
It has additives that combat the attack of chlorine, ensuring high durability even in unbalanced waters.

Composition with additives that inhibit the formation of fungi, being also resistant to chemicals and cleaning products.

Permanent flexibility
Its noble raw material ensures that the sealant does not lose its flexibility over time.


  • Excellent chlorine resistance
  • Antifungal
  • Permanent flexibility
  • Excellent resistance to aging, due to chlorine-resistant additives and water pH
  • Applicable in green works, isocyanate and solvent free product

Main Applications

  • Expansion joints for swimming pools and outdoor areas (horizontal, vertical and desolidarization)
  • Sealing of lighting spots
  • Sealing of emergent tubes (filters, drains, etc.)
  • Can be used in ceramics, tiles, concrete, glass, metals and other substrates
  • Can be used as a grout for punctual replacement of inserts
  • Bonding loose tablets in pools without water. For submerged bonding use Sealant MS 455.

HARD MS 426 SWIMMING POOL is a high performance premium sealant adhesive developed in low-modulus MS technology, solvent free, with high resistance to chlorine, suitable for use in areas permanently immersed in water or damp, such as swimming pools, saunas and external showers.


  • 260ml Cartridge (Box of 12 pieces)


  • Gray
  • White


  • Consistency: Thixotropic (does not drain)
  • Working time: 20-60 min
  • Hardness (DIN 53505): 25-35 Shore A
  • Handling capacity: 50%
  • Yield: 9.3 m (5×5 mm joint with 1: 1 form factor)


  • Application temperature (surface): 5 ° C to 40 ° C
  • Working temperature: -40 ° C to 100 ° C
  • Storage temperature: 5 ° C to 35 ° C
  • Valid: 12 months


1 – Clean surfaces and the joint to be filled thoroughly. It must be free of dust, oil and loose particles. NOTE: in the case of maintenance, there should be no residues of sealants and silicones.

2 – Stick the masking tape on the edges of the joint for a better final finish.

3 – Place the Tarucel Hard depth stop at the bottom of the joint. NOTE: the tarucel must have a diameter 20% larger than the width of the joint.

4 – Cut the tube seal, place it in the applicator, attach the nozzle and cut it diagonally (at 45 °) to the desired thickness.

5 – Apply the sealant in one continuous pass.

6 – Finish with a spatula and neutral detergent.

7 – Immediately remove the masking tape with the sealant still soft.

8 – Wait 72 hours to fill the swimming pool.​


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