Seal-it® 550 FINISH

Seal-it® 550 FINISH is a PH-neutral, biodegradable, solvent-free universal finishing product for quick, easy and attractive finishing of joint seals. Available in 5 litres of concentrate and 1 litre of ready-mixed product.



  • As a smoothing agent for easy, clean, quick and smooth finishing of joint seals. (wet tooling)
  • Only use before skin formation on material to be finished.
  • Suitable for all sealant types and technologies.


  • PH-neutral, biodegradable, solvent-free.
  • Simplifies achieving a smooth and tight finish on joint seals.
  • Highly dilutable in water, for cost-effective use.
  • Does not leave streaks or stains with proper mixing ratios.
  • Practically odourless and not aggressive on surfaces.
  • UN-approved packaging, fitted with a safety seal.
  • Silicon-free, so sealant surface tension will not change and affect painting results, unless too much is applied.
  • Available in a handy spray bottle (small packaging), ready-mixed version.

Application conditions

  • Application temperature (ambient and surface) between +5°C and +40°C.
  • Mixing ratio: from 1 to a maximum of 3 parts Seal-it® 550 FINISH to 100 parts water.
  • After adding the 2 parts together (Seal-it® FINISH/water), stir well until a homogeneous mass forms.
  • After applying the sealant, pre-moisten the joint surface and adjacent materials evenly with diluted Seal-it® 550 FINISH, taking care not to use too much. The joint can now been finished smooth and tight with a finishing block, putty knife or PVC spout. If necessary, finish the joint using diluted Seal-it® 550 FINISH.
  • Use water to remove any excess Seal-it® 550 FINISH.

Standard product line


1 x 5-litre jerrycan

12 x 1-litre spray bottle




SI-XXX-XXXX-XXX = Article number.
Other colours and/or packaging on request.


Technical support department

Connect Products has a state-of-the-art R&D laboratory, where experienced specialists continuously research and develop sealants, adhesives and PU foams. Customers and clients can have products researched, tested and developed by this department. You can also contact us for technical advice, tips, project support, warranty certificates, requests and other technical questions. We will be happy to assist you with high-quality technology.

Call us on +31 (0)183 731 400 or send us an e-mail.

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