Report unpainted aluminum masts in B & B Yachts Forum Posted December 15, 2017 On 12/5/2017 at 2:55 AM, Randy Jones said: ...I was just trying to be lazy and avoid painting altogether... I didn't put any finish on Southbound's masts. My thinking (which could well be incorrect) was that the process of tempering the material to T6 had already artificially aged (anodized) the surface. Since it's been a few years since I've seen the boat I can't speak for how well the masts have stood the test of time or whether the sleeve-luff sails ended up black but Alan certainly can. Hopefully he will share his observations here.