Final answer:
When using an epoxy anchoring system, do not tighten the fastener nut before the epoxy sets, always use a wire brush to clean the hole, ensure that the mixed epoxy is uniform in color, and use an anchor screen in hollow materials.
Step-by-step explanation:
When using an epoxy anchoring system, it is crucial to follow the correct procedures to ensure the anchor's strength and longevity. Firstly, you should not tighten the fastener nut before the epoxy has set. This could disrupt the setting process and weaken the bond. Instead, let the epoxy set according to the manufacturer's instructions before tightening any nuts or applying loads. Secondly, a wire brush is recommended to clean the hole, as it helps remove debris, dust, and loose material, which could impair the adhesive bond between the epoxy and the base material. Thirdly, the epoxy should not be striped in color; an inconsistent color could indicate improper mixing, which can result in a weaker anchor. Consistency in the color of the mixed epoxy is necessary for optimal performance. Lastly, when working with hollow materials such as brick or hollow walls, the use of an anchor screen is indeed necessary as it helps to contain the epoxy around the fastener, ensuring a solid bond.