Back fill?
Over a couple of decades the ground under the front sidewalk has settled. Thankfully the sidewalk hasn’t yet cracked. But what should I use to fill in underneath this? Is this what spray foam is for? submitted by /u/tifotter [link] [comments]

![]() | Over a couple of decades the ground under the front sidewalk has settled. Thankfully the sidewalk hasn’t yet cracked. But what should I use to fill in underneath this? Is this what spray foam is for? [link] [comments] |