OTTOSEAL S 18 - Teaserbild


The swimming pool silicone

1-component silicone sealant based on oxime, neutral cross-linking, MEKO-free
For indoor and outdoor application
  • Resistant to chlorinated water
  • Highly resistant to mould
  • Very long-lasting joint
Technical datasheet

Product details

The swimming pool silicone OTTOSEAL® S 18 is a special sealant that was developed specifically for applications in and around swimming pools. Thanks to its high resistance to the stress from chlorine and disinfectants and to mechanical stresses, as well as its high mould resistance, this sealant is perfect for joints in areas that are constantly wet. Not only on the edge of the pool, but also under water.

Fields of application

  • Sealing of swimming pools and -baths as well as elastic jointing on the pool edges


  • Extremely resistant to continuously wet conditions
  • Resistant to chlorine and salt water
  • Contains extra fungicide - High resistance to mould infestation
  • Very good adhesion on many substrates even without primer (see the primer table)
  • Does not cause corrosion on unprotected metal surfaces
  • High resistance to notches and tearing - Resistant to high mechanical stresses
  • Excellent weathering, ageing and UV-resistance

Standards and tests

  • Meets the requirements for fire behavior according to EN 13501: Class E
  • French VOC-emission class A+
  • Suitable for applications according to IVD instruction sheet no. 14+17+31+35 (IVD = German industry association sealants)

Colours & form of delivery

Glossy colors

310 ml cartridge
silk grey
Pieces per packaging unit 20
Pieces per pallet 1200

Due to typographical reasons the colours shown below may differ from the original colours of the products.

Products, packaging Units and/or colours bearing order codes are available ex warehouse in standard commercial quantities.

Consumption calculator

Please note: This values are approximate and serve as a rough guide for rightangled joints. The depth of the joints is measured to the rear of the profile. Depending on the processing method, additional expenditure of up to 25% is possible.

More information

Do you have questions about our OTTOSEAL® sealants?

Our application consultation is available Monday to Thursday from 7:00 a.m. to 4:00 p.m. and Friday from 7:00 a.m. to 1:00 p.m. and will be happy to receive your request.