What is the secondary grouting

Epoxy grout is also called secondary epoxy grout, the popular science to you about what is a secondary grouting with epoxy grout or cement slurry and the equipment base surface space to fill the gap and shim will be buried in the concrete, with a fixed shim and equipment under load. Secondary grouting method is pouring foundation in advance to set aside the anchor bolt hole in the base. When the equipment installation to install the anchor bolt in the reserved hole water epoxy grout or cement mortar anchor bolt is firm. It has the advantage of anchor bolt is easy to adjust and easy installation. Drawback is the combination of cast-in-place concrete with the original base than poured the firm at a time