How do I backfill a trench beneath a sidewalk? Submitted by Kalarix t3_126uabk on March 30, 2023 at 5:53 PM in DIY 17 comments 9
usedTP t1_jecay09 wrote on March 30, 2023 at 11:37 PM It's going to crack if you dig it or trench it, whether you backfill it with sand, gravel, or atomic space dust. If cracks will bother you keep the water on top. Permalink 0
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