Pushing My Boundries: Smoke Remediation

[Fat-one]

Cleaning significant soot off white vinyl siding?

I purchased a house last year and am finally getting around to redoing the patio area under my deck and outside the walk out basement. As you can see the previous owner had a pellet stove installed in the past which caused significant damage to the siding. I have a 3200PSI pressure washer that I tried using last year which didn’t even touch the soot. I’ll replace the siding if I need to but I’d prefer not to go through the hassle and work involved. The small patch of better looking siding you s…