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Geothermal Grouts

A leading supplier of Drill Muds, Polymers, PVC Pipe, and Ground Sampling Supplies, Plastech Plus Inc. is fully committed to helping your company tackle the toughest jobs in the field.


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Geothermal Grouts
BAROTHERM®
BAROTHERM®

Two-Part Thermally Conductive Grout

BAROTHERM bentonite material is designed for use in grouting boreholes containing ground source heat loops. BAROTHERM material, when combined with sand at various concentrations, yields a grout with thermal conductivity values ranging between 0.4 and 1.0 BTU/hr·ft·ºF. BAROTHERM material does not contain any polymers.

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Geothermal Grout

The primary purpose of a grout column in the geothermal heating and cooling industry is to provide a thermally conductive pathway between the geothermal loop system and the earth. Secondarily, the grout has to form a low permeability seal to prevent contamination of the subsurface from the surface. Thermal conductivity, or k value, is a measurement of the grouts ability to transfer heat. The geothermal design engineer specifies the k value for the grout based on the design parameters of the system and the k value of the formations where the loop field will be installed.

PLASTECH PLUS INC. has grouts that cover the wide range of k values between .4 and 1.6 BTU/hr·ft·°F. Simple bentonite grouts are used where a k value of .4 BTU/hr·ft·°F is required. Barotherm and Barotherm Plus are bentonite grouts enhanced by the addition of silica sand and cover the k value range above .4 to 1.2 BTU/hr·ft·°F. For extreme situations IDP-357 can reach a k value of 1.6 BTU/hr·ft·°F

 

BAROTHERM® GOLD
BAROTHERM® GOLD

Thermally-Conductive Grout

BAROTHERM® GOLD thermally-conductive grout is bentonite material designed to use in grouting boreholes containing ground source heat loops. BAROTHERM GOLD grout, when combined with silica sand at various concentrations, yields a high solids grout with thermal conductivity values ranging between 1.0 and 1.2 BTU/hr·ft·ºF (1.73 – 2.03 watts/m·ºC). BAROTHERM GOLD grout does not contain polymers.

Add to quote
More info
Specs sheet

Geothermal Grout

The primary purpose of a grout column in the geothermal heating and cooling industry is to provide a thermally conductive pathway between the geothermal loop system and the earth. Secondarily, the grout has to form a low permeability seal to prevent contamination of the subsurface from the surface. Thermal conductivity, or k value, is a measurement of the grouts ability to transfer heat. The geothermal design engineer specifies the k value for the grout based on the design parameters of the system and the k value of the formations where the loop field will be installed.
 
PLASTECH PLUS INC. has grouts that cover the wide range of k values between .4 and 1.6 BTU/hr·ft·°F. Simple bentonite grouts are used where a k value of .4 BTU/hr·ft·°F is required. Barotherm and Barotherm Plus are bentonite grouts enhanced by the addition of silica sand and cover the k value range above .4 to 1.2 BTU/hr·ft·°F. For extreme situations IDP-357 can reach a k value of 1.6 BTU/hr·ft·°F

 

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