Can I paint over Preschem’s Timber Preserver or No-Rot Gel?
No-Rot Gel
Yes. For best results allow the preservative to dry for as minimum of 24 hours. Use can then use a “builders bog” type filler and quality oil based primer then your choice of quality exterior oil or acrylic top coat.
Timber Preserver:
Yes, but with caution. Timber Preserver’s active ingredeint, Copper Naphthenate, is also used as a paint drier in oil based paints. As such it can be prone to colour bleed. To paint over Timber preserver we recommend the following:
- Allow at least 2 weeks to dry. Preferably more if practicable.
- Use a quality stain block type acrylic primer such as those made by Zinsser or Dulux
- If colour bleed through occurs with the primer, do not continue painting. Strip back the primer to bare timber and allow a further 2-3 weeks to dry.
