End grain sealer

  • Sealer

TEKNOSEAL 4000-00, an aqueous product for sealing of end grain of newwood designated for exterior use such as windows and doors.

TEKNOSEAL 4000-00 can be applied by brush. TEKNOSEAL 4000-00 can be used to close end grains at both soft- and hardwood wood species.

Surface preparation

The wood must be free from wood dust and contamination. The moisture content of the wood should be approx. 13% and should not exceed 15%. Pretreatment is required for wood substrates not meeting Durability Class 3, EN 350:2016. Teknos has a range of preservative products meeting the requirements of EN 599-1, please contact Teknos for further guidance.

Application conditions

Optimum temperature for products and surroundings: +18°C - +22°C. Optimum relative air humidity: Approx. 50%.


Storage temperature is +5°C - +30°C. Shelf life in unopened containers: See “Best before date” on the label. Keep containers tightly closed after use.
Volatile organic compound (VOC) abt. 42 g/l
Clean up Water.
Colours Colourless.
Packages 0.75 l
Safety markings See safety data sheet.