1st deck in about 20 years

Wood Restoration
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I haven’t done a deck in like forever and this is the one I get to cut my teeth on. The customer is a guy I did a lot of commercial cleaning for back in the 90’s and will be in the future. He’s putting his home up for sale after the first of the year. We’re going back with a solid stain the same color. What process would be best? As you can see it’s got a lot of mildew and algae as does the brick and patio (but that’s for another post). Since we’re going back with the same color could I use house wash mix then F18 or F10(which is the best and please explain the difference) and follow up with F8? This house has the WOW affect that I need for BeforeAfter pictures for my website and Facebook page so that will also produce residual income

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I’d use 2-3% sh HW and then after rinsing with low pressure apply ox acid at 1c/gallon and rinse after a 10 min dwell

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Pre wet deck then apply 3% SH. (Your hw mix won’t touch that)…dwell 10 mins keeping it wet. Rinse with 1000 PSI and then DS an acid on it ( I use an acid that is a 2 step fleet ) easy to use. Rinse Rinse

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How would F8 do after SH to neutralize

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F8 would work great.

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thanks

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Potash downstream on dry deck. Wetting anything in advance cuts down on effectiveness of chemical. Rinse. Downstream a gallon of apple vinegar to brighten if you decide against solid color

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Thanks to everyone for the input. When you haven’t done this in like forever things are different and you forget. This board is great. I know how to do the physical work and my customers are happy but there’s a lot of new chems and toys out there now to learn about. That’s not a bad thing. I remember I was skeptical when surface cleaners came out. Now I couldn’t imagine being without one

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That wood is old and dry, find an out of site spot and test your chem mix because you could end up with a bunch of furred wood and that in turn leads to a bunch of sanding. I personally pre-wet to help keep the cleaner on the surface. I didn’t use to but I have found it reduces the furring but as IBS pointed out it also increases the dilution rate. That drives the test area importance.

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You stated it’s going back a solid stain. That’s easy use a 50/50 sh mix in a pump sprayer to apply then lightly p w. Then rinse rinse rinse. Solid stains will hide any little imperfections

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Thanks