Sikaflex®-290 DC PRO

Sikaflex-290 DC is a 1-c UV-resistant polyurethane based joint sealing compound specially formulated for caulking joints in traditional timber marine decking. The sealing compound cures to form a flexible elastomer which can be sanded. Sikaflex-290 DC meets the requirements set out by the International Maritime Organisation (IMO). Sikaflex-290 DC is manufactured in accordance with the ISO 9001 / 14001 quality assurance system and with the responsible care program.

  • 1-C formulation
  • Non-corrosive
  • Sandable
  • Resistant to UV light and weathering
  • Resistant to seawater and fresh water
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Usage

Sikaflex-290 DC is used exclusively for caulking of the joints in traditional timber decking for boatand yacht construction (secondary sealing).

Advantages

  • 1-C formulation
  • Non-corrosive
  • Sandable
  • Resistant to UV light and weathering
  • Resistant to seawater and fresh water

Packaging

Cartridge: 310 ml

Unipac: 600 + 1000 ml

Hobbock: 23 l

Drum: 195 l

FAQ

How to maintain a wooden deck?

To maintain the color and appearance of a new teak deck we recommend Sika’s Teak Maintenance System. It avoids damage of the caulking joint and is fully compatible with the Sikaflex®-290 DC PRO caulked teak decks.

Step 1:
Mix SikaTeak® C+B with water in a ratio of 1:3
Apply the mixture with a scrubbing brush or sponge
Leave for 10 minutes before rinsing the deck with water

Step 2:
Apply a small amount of SikaTeak® Oil Neutral on a clean cloth or a roller
Allow oil to penetrate the wood for ca. 30 minutes before removing excesses with a cloth

For further details read our application guidelines and our pre-treatment chart.

Posted on: 12/11/2019
How to replace damaged teak planks?

To replace damaged teak planks from the deck first completely remove the caulking from the joints around any planks that are to be removed.

Remove the damaged plank, taking care not to damage the substrate.

Remove any old adhesives, bedding or other foreign matter from the substrate and remove the jointing material from around the edge of neighbouring planks.

Use Sikaflex®-298 as a bedding compound and pre-treat the teak planks with Sika® Multiprimer Marine or Sika® Primer-290 DC prior to the application according (check pre-treatment chart). Caulk the joints with Sikaflex®-290 DC PRO the teak deck caulking material. Sand deck with a belt sander or flat plate after safe sanding time as indicated in the guideline.

For further details read our application guidelines and our pre-treatment chart.

Posted on: 12/11/2019
How to install a teak deck?

To ensure a good result after applying your teak deck download the application guideline and follow instructions thoroughly. As surface preparation is key to remove and to clean the surface of dust, dirt, grease, oil, etc. Prepare substrate according to pre-treatment chart.


For the next step, we recommend to use the bedding compound Sikaflex®-298 and to pre-treat the wood plank prior to embedding use Sika® Primer-290 DC or Sika® Multiprimer Marine. After placing the planks into position caulk the joints with Sikaflex®-290 DC PRO, Sika’s teak deck caulking material. Sand deck with a belt sander or flat plate after safe sanding time as indicated in the guidelines.

For further details read our application guidelines and our pre-treatment chart.

Posted on: 12/11/2019