How Do I Paint Internal Lime Plaster?

Lime plaster is a type of plaster composed of sand, water, and lime, usually non-hydraulic hydrated lime (also known as slaked lime, high calcium lime, or air lime).

• Prime with one coat of Optiva Primer
• Topcoat x 2 with Optiva 3, Optiva 5, Optiva 7, Optiva 20 or Optiva White, depending on sheen level required
• Ceilings can be top-coated with Anti Reflex 2

Whatever system you use, we advise using a breathable system when painting lime plaster, 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 you require more advice on painting over internal lime plaster, give our technical team a call on 0131 334 4999 or send them a message here.