Updated February 3rd, 2020
EFC-38’s unique formulation provides the strength necessary to clean gray wood, mold, mildew and heavy accumulations of grime. EFC-38 contains sodium percarbonate and additional surfactants that boost the overall effectiveness. EFC-38 was designed to clean and prep all exterior wood. EFC-38 is safe to use and makes an excellent tool for wood preparation prior to applying a wood coating.
EFC-38 Wood Deck Cleaner Scores (1-10)
Removal of Graying, Dirt, Grime: 8
– EFC-38 is very effective at removing graying wood cells and algae. The wood surface looked 90% or better when done with the cleaning. All algae and mold were removed from the fence.
Cost Per Square Foot: 8
– The cost to clean the 1000 square foot fence was less than $.10 a foot. The powdered formula makes 5 gallons of liquid wood cleaner for 2 pounds of EFC-38