0 Popular Post moko Posted November 13, 2018 Popular Post Share Posted November 13, 2018 my Elecrtican (certified 40yrs and still working) said its fine to lay it on top of the insulation....even that old houses....its rated for that. and I'm at carpenter for 30 yrs....the plumbers and electricians having been drilling holes in joist ,just like said above....location and hole size must be correct esldude and The Computer Audiophile 1 1 Link to comment
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