Remove staining, mildew and old finish with a commercial deck cleaning solution. Pressure washing is almost always a must on older decks, but be sure not to use too much pressure. You can damage the wood if it's turned up too high. Usually 1500-2500 PSI is adequate for pressure treated lumber.
Letâs start with the formerâ¦. Sugar alcohols (also known as polyols) are, essentially, part sugar and part alcohol. They occur naturally in plants and common examples include xylitol, maltilol, and sorbitol.
Sugar alcohols are derived from sugars typically found in fruits. Donât let the word âalcoholâ confuse you -- sugar alcohols do not contain alcohol in the traditional sense of the word, as in the alcohol you find in beer or wine.