Rust Stains - Terracotta
Rust Stains - Terracotta
Professional advice and the right Lithofin products for your terracotta
MediumRust stains on stone are caused by the oxidation of iron - either from iron-containing minerals within the stone itself, or from external metal objects in contact with the stone. These distinctive orange-brown stains can be extremely stubborn and require specialised treatment. Internal rust occurs when iron pyrite or other iron minerals within the stone oxidise due to moisture exposure.
Recommended products
Lithofin Rust-EX undiluted on the stain
View productStep-by-step instructions
Pre-wet the cotto surface. Apply Lithofin Rust-EX undiluted on the stain. Leave 5-10 minutes maximum. Rinse thoroughly. Re-seal after treatment.
Expert tips
- Pre-wet the surface to limit acid absorption
- Do not let Rust-EX dry on the surface
Need help?
Use our Lithofinder for personalised advice, or contact us.