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A comment on The Struggle with Where the Sidewalks Won't Go. Parent comment

Re:The Struggle with Where the Sidewalks Won't Go by maxerickson on Wednesday September 20, 2017 @10:13AM (#15293916)
Properly installed concrete doesn't heave from frost.

Trees are certainly an issue.

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Re:The Struggle with Where the Sidewalks Won't Go by greedo on Wednesday September 20, 2017 @11:53AM (#15295145)
Properly installed concrete or properly installed sidewalks? Unless you're pouring footings below the frost line, a slab sidewalk will heave in freezing climates.
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