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Permeable Paver Installation

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How does one install permeable pavers with electric heating cables?

A competitor has recommended this installation method.  Results appear to be satisfactory.  Written up in a trade magazine.  

ADDED DISCLAIMER:  We have no data on heating cable life expectancy of longevity.  We have no empirical data or testing results on this type of installation.  This type of installation is not a "recommended" installation method per our design guidelines and Installation Manual.  If a customer decides to do this, please contact Tech support so we can observe/document operation and performance.


Excavated 18".  Filled it with #2 aggregate/stone.

4” of #57 stone

2” of #9 stone to serve as the paver setting bed.

The heating cable is installed within the #9 stone layer. To maximize the amount of heat transferred from the heating cable to the pavers, the stone separating the cable and pavers needs as much contact with both as possible. Crushed stone with fines transfers the most heat, but doesn’t drain, so it isn’t used in a permeable installation. Instead, smaller drainage stone (#9) is used because it has more contact with the cable and transfers more heat than larger stone.

So, why not just install the cable at the top so it’s touching the pavers?  Potential movement by the pavers over time could wear through the protective coating of the cable and short out the entire installation.


This info is taken from this article:   http://www.hardscapemagazine.c...

Written by Scott Rosenbaum
Posted on
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