If the mortar which has dried upon the brick is a Portland Cement mortar there is no sure fire way to remove it. As a professional mason I tell my customers that we can reduce the degree of mortar...
Try using an old credit card, or a plastic scraper to get under the corner of letters. Once you get that, they should peel right off. Then try spraying rubbing alcohol to remove the residue. If the...
rub with a smoothing stone and then powerwash off the excess. for better results use muriatic acid and water mixed one part muriatic to five parts water
It's typically a window where all, or most of the exposed wood surfaces are clad in vinyl. No need to paint and easy to clean! Slightly easy to damage though. Handle with care! Has a little better...