The Hi-Spec grout range includes various specialty grouts that target specific applications in the mining, construction and civil area. HS70 and 40HB are patch repair micro concretes with shrinkage compensation features. CGB is Si Powders original pre-injection grout featuring a cementitious powder with a particle size below 30 microns. QikDrive is a drive and haulage road repair mix with … Continue reading Hi-Spec