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Bentonite thermally enhanced grout

badgerhowlin · 2011-10-10 12:34:06

Hi, I am getting 2 bore holes dug 90meters. The company that are selling me the heat pump are pushing for me to put Bentonite thermally enhanced grout down each hole. My drilling contractor that i know well has said that there is no Rule that i need this. he has said that it will be Very expensive to put this down it. He…

10-10-2011 12:34pm

#1

badgerhowlin

Registered Users, Registered Users 2 Posts: 651 ✭✭✭

Join Date: December 2003

Posts: 511

Hi,

I am getting 2 bore holes dug 90meters.

The company that are selling me the heat pump are pushing for me to put Bentonite thermally enhanced grout down each hole.

My drilling contractor that i know well has said that there is no Rule that i need this. he has said that it will be Very expensive to put this down it. He has done many whole and one one person has gone with this all the rest of them have just filled the bore hole with water.

What do people think? is it worth it.

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