Inside or out, blackened over time or in a disastrous condition, sodium bicarbonate cleaning restores architectural substrates with a gentle scouring action. Whether cleaning brick, stone, concrete, glass, metal or wood, Allens SBC, a division of United Surface Preparation, safely and effectively removes discoloration from fire damage, smoke damage, soot, pollution, exhaust residue, applied coatings, water deposits and stains.Sodium Bicarbonate Cleaning is both environmentally superior and safe for workers. Choose Allens SBC to restore your college, church, store front or historical building.