Prepping a Log House for Repainting

ecoclean87

ecoclean87

New member
This house is pretty big and two stories tall. Its exterior is mostly constructed of some type of yellow pine logs and they are untreated. They are painted brown, not just stained. The paint is peeling as he says it does every few years and he wants me to wash all of the mildew off And find any area with any rot that may need replacing And prep the areas that are chipping a little bit for repainting very soon. I have read much about how SH can be bad for wood, but he said he doesnt really care if it is since it will always be painted over. So I think I will just downstream with soap snd SH and rinse low pressure Except for the areas that are chipping. I want to put just enough pressure on those spots to blast away any chipping paint without roughing up the wood. Does that sound like the right thing to do? Is there anything anyone knows that I should do that I am unaware of at this moment? I will be doing it Wednesday..I tried to upload a pic of the house but it wouldnt load the attachment.
 
Don't use a PW to remove the failing paint. You will mess up the wood and make things worse.
Sh and soap is all you need. Some TSP would help as well. One cup per 5 gall.
 
I have a 10 gpm but need to get the unloader replaced. The one I'll use is rated to be 3500 PSI and 5 GPM. I can hit most all of this house from the ground for applying mix and rinsing off with this machine. The only problem posed with that is that basically the entire house has wooden eaves that hang down at the edge. There are 4 or 5 dormers around the second floor that luckily protrude over very low angled parts of the roof. I plan on walking around these to make sure all wasp nests (of which there are many), cobwebs, or dirtdobber nests are completely removed. The paint that is chipping is mainly on the front side of the house which catches the most sun. I have yet to ever use TSP so Im glad to have a reason to try something new.
 
Ok. Thanks for the info. Ill find some TSP tomorrow. Ill check the to see what the tips are in the jrod that I have been using. The only tips I ever use that arent part of my jrod are a higher pressure 40 degree and high pressure 25 degree and that is usually just for cutting in concrete or a few spots on brick. Should i take a little extra time to sand or scrape any areas where wasp nests have been connected to this house?
 
Ok. On most houses I never use the 0's. This one I will for getting up under the highest eaves. The owner told me today that he decided just to get the front of the house repainted and other smaller spots around the rest of the house as needed. I told him cleaning it would be good enough. Most of the paint is fine, except that the previous painter left mildew on the house before he painted which left it with a rather strange look up close. The old mildew definitely shows through. Still want to try the TSP mix on the front side. Ill start in the morning.
 
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I started it and got it done today. Used TSP in the mix on the front side for repainting. For the rest of it, bleach and soap. The only issue I ran into was from the windows leaking inside from low pressure rinsing. Anybody know how to avoid that for next time? I tried as much as possible to rinse away from the window. The owner told me it would happen so he already had towels around the insides of them. Other than that, went well for my first log house job. Boom
 
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