Profile: Macrete Ireland Ltd. is a manufacturer of precast concretes. We are an ISO 9001 certified company. Our precast concretes are used in applications such as railways, water, civil and marine applications. We offer segmental lining rings for shafts and tunnels. Our pre-stressed concrete pipes are used for water and pumped sewage applications. Our in-wall jacking pipes are designed for a horizontal thrust uniformly distributed around the internal jacking face through a suitable packing material at every joint.