Tapping sound behind walls when sink/toilet running - could this be something aside from a leak? Submitted by Widespread_Looting t3_11upiwz on March 18, 2023 at 2:10 PM in DIY 19 comments 13
jackson71 t1_jcp88ut wrote on March 18, 2023 at 2:34 PM Sounds like expansion and contraction due to temp differential. Permalink 32 cnyle111 t1_jcpajwi wrote on March 18, 2023 at 2:51 PM This is your answer. Permalink Parent 3
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