BoltHold asphalt anchors MUST use grout or epoxy to facilitate bonding to the asphalt. The grout must have specific properties else the results will be unpredictable.
Our EPX2 is a cement based grout available either in 12 oz resealable bags, or in a 10 lb. tub. We also offer the EPX3 resin grout which can be applied in temperatures as low as 14F.