A Formula for How to Stop Wood Dry Rot

Dry rot is caused by fungal growth. Needing only minimal moisture to thrive, this particular fungus digests wood fibers, damaging the integrity of the wood as it grows. Over time, the affected area will become progressively weaker, until it disintegrates entirely, leaving unattractive, gaping holes in tables, decks, fences and other wooden structures. Fortunately, there is a remedy -- a simple formula you can make at home to treat infected wood and stop the growth of fungus.

Stockpot
1 gallon glycol-based antifreeze
4 1/2 pounds borax
3 1/2 pounds boric acid
Candy thermometer
Large bucket
Brush

Instructions

- 1
  Pour 1 gallon of glycol-based antifreeze into a large stockpot. Add 4½ pounds of borax. Borax is commonly used as a laundry booster and can be found near the detergents in the supermarket.
- 2
  Stir in 3 ½ pounds of boric acid, and mix until the ingredients are thoroughly combined. You can find boric acid near the insecticides at a supermarket or home-improvement store, as it is a popular remedy for household pests.
- 3
  Place the pot over medium heat. Bring the mixture to a gentle boil, stirring constantly. Insert a candy thermometer into the solution, and continue to cook until the thermometer reaches 260 degrees Fahrenheit.
- 4
  Remove the pot from the heat. Set the mixture aside to cool. When the solution reaches room temperature, transfer 2 quarts of the mixture to a large bucket. Add 2 quarts of water, and stir until the two are well blended.
- 5
  Brush the solution over the affected wood. Wait two hours, and apply a second coat. Once the glycol mixture has been diluted, it must be used within 24 hours. Store any unused concentrate in a tightly sealed container for up to six months.

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