Michael Dingler of NoLA Rising is proposing to paint the flood wall along the 9th ward with a mural. If accepted it will be the longest mural in the world. This would not be a graffiti-style mural but wouldn’t guarantee against being tagged. Nothing is for that matter. Although, having painted public murals, Golden makes a top coat, anti-graffiti sealant (MSA) that protects the mural with an isolation coat. If it is tagged, the top coat can be removed without damaging the mural below the isolation coat. I’ve used this as an extra protective measure, just in case. So far, I’ve been lucky with my outdoor, public murals. The proposal…