With offices in Navan and Limerick, Grange Construction and Roofing Ltd. have been in business now since 1998. Our founder and company manager, Gregory Crinion has been working within this particular industry since 1985. We have accumulated extensive experience with high performance weather proofing systems including flexible PVC sheeting, polyester based membranes, mastic asphalt, and architectural cladding. We also have a strong reputation for adhering to the latest safety standards and all of our staff attend any important training courses and safety courses in order to keep up with any new developments within the industry. Agents for Paralon: A Paralon System is an APP water proofing system which is torch bonded. For more information on a Paralon roofing system please contact us.