Hola Amigos,

Do you have any do's and don't's, tips and tricks regarding methods to get the beams looking pretty again?

Mucho Garcias,

sand very lightly, pickeling paste (welder supply), no grinding. Aluminum really relies on the thickness and grinding (with polishing or sanding discs) is dangerous

Rub aluminum with fine bronze wool and marine penetrol. Follow directions on can for different applications .