Problem Solver - Rust in Masonry
Rust staining from either iron ore within substrate or from ferrous fixings affected by rust
Stage 1 - Preparation
Dry brush the surface down using a stiff bristle brush to remove any loose materials
If any mould or mildew is apparent, treat with a suitable fungicidal solution, rinse again with clean water and allow to dry.
Stage 2 - Basecoat
Once the surface is clean and all loose material has been removed, treat with as suitable primer and allow to dry.
Stage 3 - Topcoat
Apply a suitable topcoat