Is this paint breathable? Ie suitable for lime plastered walls?
It is widely accepted that for a paint to be classed as breathable it should have an SD value of 1 or lower; the lower the value the more breathable the paint. Tikkurila’s testing is conducted in accordance with PN-EN ISO 7783:2002 and PN-EN 1062-1:2005 standards and can be found on individual product pages where applicable. If a breathable system is required the below product range would be recommended, and is suited to painting interior lime plaster for example
- Prime with one coat of Optiva Primer
- Topcoat x 2 with Optiva 3, Optiva 5, Optiva 7, Optiva 20 or Optiva White, depending on the sheen level required
- Ceilings can be top-coated with Anti Reflex 2