Not worth the effort. It was enough of a challenge matching the manure kote in paint.
I have a partial roll of that stuff, but I hate it on fuselages. I will use paint.
If you had read the entire article, you would know it was home depot custom mixed house paint, water based, which is not fuel proof and in fact came out flat. It has an overcoat of clear polyurethane spar varnish, which IS completely fuel proof.