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sno-melt insulation

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jerryb
jerryb Member Posts: 113
in THE MAIN WALL
Can anybody tell me what would be the best insulation to put under a driveway of paver's bricks?Mad Dog showed a job he did on L.I.'s gold coast i think were bricks,MD what kind of ins did it have.I'm located South Shore L.I. Thanks for any help.

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  • Doug_7
    Doug_7 Member Posts: 266
    Insulation under heated driveway

    Use closed cell extruded polystyrene foam board such as Blue Dow Styrofoam or Pink Owens Corning Celfort. The R-value is 5 per inch of thickness. These materials do nor absorb ground water and hence retain their R-value over time. Do not use cheaper molded bead polystyrene foam board as it does absorb ground water and loses it's R-value over time.
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