Rocol safe step heavy duty epoxy repair compound rocol 42036 this safe step heavy duty epoxy repair compound from rocol is a three component epoxy repair mortar suitable for repairs for example to damaged concrete lintels steps ramps loading bays and floors it contains no water or solvents so ensures there can be no shrinkage during curing safe step heavy duty epoxy repair compound offers outstanding adhesion to all surfaces can be used both inside and outside and offers a fast repair