Q: We have a retaining wall built of interlocked decorative tan blocks, and they have been “leaking” a chalk-like stain. Do you have any recommendations for removing the stains and/or preventing them?

Q Some time ago you responded to my inquiry regarding fixing cracks in the cinder blocks walls in the basement of my 70-year-old home. The suggestions are working well, and, prior to starting the ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

The last step of fixing a water stain on a wall or ceiling is often painting over it in the matching wall or ceiling color. But before painting over the stain, DIYers need to be aware of the cause of ...