As discussed in last month’s article “Proper Grouting Protects Your Loop, Safeguards Groundwater,” grouting a geothermal borehole serves three vital purposes: to seal the hole/protect the ground loop, to protect groundwater from possible contamination and to improve thermal conductivity.
Fred McAninch, the "Rig Doctor," spoke at the recent Michigan Ground Water Association convention. The Driller sat for an interview with him before his presentation to get his tips on getting the most out of a rig.
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