removing dark mold on outside of house

[john]

We have a 100 year old victorian with wood on the outside. The north and south side have patches of dark mold growing (looks like dirt) which I removed with a bleach solution a few months ago. Now more is appearing on these sides of house. Any suggestions? Do I need to have the entire sides washed with bleach solution? Will this be an annual ritual?

thanks,

John

[<no_spam_4me_rise4peace]

you could always try T.S.P (tri-sodium-phosphate). it works pretty darn well as a cleaner, i use it all the time on my deck, concrete, etc...

home depot has premixed T.S.P that really does the trick IMHO.

good luck

[m Ransley]

Try a stronger bleach mix, spray twice letting it dry then wash it off with Tsp, But with the right environment it can come back. There are anti mold additives for paint

[Roger]

On my house I used spray bleach, worked great. Rinsed with nozzle on hose, afterwards. Mold/mildew may signify leakage problems along wall, or thru roof, especially if the stuff returns. Once I re-roofed, repaired gutters, and improved perimeter drainage, the mold never returned.