07rs New member Joined Mar 19, 2012 Messages 219 Reaction score 0 Jul 24, 2016 #1 Would hydro foam work on vinyl siding on a house?
kevincwelch New member Joined May 12, 2013 Messages 2,686 Reaction score 0 Jul 24, 2016 #2 Not sure, but HydrO2 worked on my porch windows and composite Adirondack chairs!
M Mike@DedicatedPerfection New member Joined Feb 26, 2011 Messages 12,365 Reaction score 0 Jul 24, 2016 #3 I'm sure it would. Try it in a small area and check the results.