The Ronseal 3-in-1 Mould Killer kills mould instantly, cleans and protects against mould. It breaks down mould and removes it from paint work. How to Use. Squeeze the trigger to break the tamper evident seal. Repeatedly squeeze the t...

The Ronseal 3-in-1 Mould Killer kills mould instantly, cleans and protects against mould. It breaks down mould and removes it from paint work. How to Use. Squeeze the trigger to break the tamper evident seal. Repeatedly squeeze the t...

This Polycell mould killer contains a powerful fungicide which kills and removes mould. It will totally prevent re-growth in one single application. It is ideal for preparing mould-prone area before painting to give a better paint finish.