Parking Garage Ceiling

Mark 8262

Mark 8262

Residential and Commercial Pressure Washing Specia
I got a call today to quote on pressure washing the ceiling of a parking garage at a local condo. I have never washed a ceiling before I assume it would be like cleaning a wall, but overhead.

1) Has anyone ever used a 12 inch or small surface cleaner to clean a concrete ceiling or wall? If so how did it work for you.

2) Is there anything I should be aware of or to look for when doing this type of work.

Thanks for your input
 
What exactly are they looking for? Are they looking to get the dust cleaned off of the pipes, or are they looking to get the soot removed from the concrete?
 
Got 2 houses to clean with black smoke residue. what chem should i use to clean it?
they are the interior brick walls of a historic house here in town. also need to clean the exterior walls.
 
Scott Stone said:
What exactly are they looking for? Are they looking to get the dust cleaned off of the pipes, or are they looking to get the soot removed from the concrete?
Click to expand...

Got to love how the soot turns to ink and wants to stain everywhere it goes!:shocked2:
 
Here is a photo. It's not very dirty. They are having insulation attached to the ceiling to insulate the floors of the first level condos. It will not be hard, but I do need to use a degreaser. I generally use caustic soda beads when degreasing. Probably not a good idea on this since it will end up all over me when I clean the ceiling (assuming I get the job)

My question is what type of degreaser should I use and will be safe for this type of work. It will be next to impossible not to have some get on me and my helper. Is there something over the counter that I could use. I would be starting this on Saturday.
 

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Mark,
Some things to take into account are the electrical conduit, light fixtures, fans, and any other electrical devices. Water will seep into these and possible cause problems (and can pose a dangerous shock hazard). Will water damage the insulation? How about pressure? If you do get the job, I would highly suggest some testing to make sure. As for degreaser, I would not use hydroxide for the ceiling. Look at a butyl cleaner to remove the exhaust carbon. It can be boosted with a small amount of hydroxide as well. (try simple green). Wear full rain gear, and maybe goggles or a face shield.
 
The piping I see is all water. They should be water tight. I hope they are water tight. The ceiling is also painted. That means that it is sealed, which is good for you. I makes it much easier. You could probably easily get away with using a truck wash type soap, because the buildup on them is not bad.
A couple of tricks, most of what you are washing is dirt and dust buildup. You need to push the dust off towards the wall, and let it drop. When you do the pipes, which will need to be done at that same time, start at one end pressure washing in one spot. Point the wand in the direction that you want to go. Hold it in that spot until the water rinses clear. As the water rinses clear, you can move in the direction towards the end of the pipe. Usually a slow walk will be sufficient for you to rinse the pipe down, and if you stand a little off to the side, you won't get as wet.
 
This is a really good Garage Cleaning thread, all guys who pressure washing Garages with Hot water and reclaim units should involve themselves in the disccusion.

Cleaning Parking garages in Alabama along the gulf might require special needs.
 
Very Busy. I've had 3 days off since March 1st and booked through the end of the month, but I am going to take a 3 day weekend in a couple of weeks. Russ is equally busy. Haven't seen much of him lately but we usually talk on a daily basis
 
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