Depends on the size of the ceiling, I mainly use a paint brush for the whole job. By the time you paint all the edging, half of the ceiling is already finished.
I am thinking the black is mold from a moist environment. You might want to try good old fashioned hydrogen peroxide which seems to clean the same type of black from around the base of my toilet. Peroxide is the only thing that seemed to clean just as good or better than bleach and water...
Oh Geez... that looks completely painful! I had an injury something similar. I was using ethyl cyanoacrylate which is an industrial grade super glue and accelerator to glue a small diy project I was working on. A small bit of glue fell on my index finger and I didn't realize. And then I...
I have to admit an awful mistake I have made building my house DIY style. My husband and I built our whole 1000 foot house by ourselves and we used plywood throughout no cutting corners EXCEPT for the last bedroom we added on.
To cut costs we used OSB even on the sub roofing. And then one...