Thermal conductive, low permeability for use as backfill material

THERM-EX GROUT, manufactured by WYO-BEN, provides a high thermal conductivity for excellent heat transfer while maintaining a low permeability when used to grout the borehole annulus in a geothermal wellfield application. This product requires no polymer additives.

Thermal Conductivity Up to 1.05 BTU/hr ft °F
Permeability Less than 6.9 X 10-8 cm/s
Yields 29 – 41.5 gallons per 50 lb. bag (depending on the desired thermal conductivity and required amount of silica sand)

Shrink wrapped and palletized 60 – 50 lb. bags/pallet

As a service to our contractors, we calculate grout volumes and include an accurate project materials list in all our quotes. Our on-site warehouse is inventoried for on-demand shipping directly to your job site. For ease in handling, our products arrive at your specified location palletized and shrink wrapped.

For more information or to request a quote click the link below or call 1-888-447-7757.