Stone wool insulation advances keep LNG facilities safe and sound
This paper reviews how ROCKWOOL’s ProRox stone wool insulation supports safe, efficient LNG operations by addressing the dual challenges of excessive noise and corrosion under insulation (CUI).
LNG facilities rely on thermal insulation systems to maintain precise operating temperatures across piping, storage tanks, valves, and process equipment. Insulation is critical for preserving the cryogenic conditions required to keep natural gas in its liquid state, while also supporting energy efficiency and process stability throughout the facility.
Insulation systems are increasingly evaluated not only for their thermal performance, but also for their ability to address broader operational threats that can compromise plant safety and productivity.
Two of the most persistent and costly challenges for LNG facilities are operational noise and corrosion under insulation (CUI). Excessive noise from piping systems, pumps, compressors, and turbulent flow can harm worker health and compromise overall plant safety. Prolonged exposure to elevated noise can cause permanent hearing loss, increase the risk of accidents, and create compliance and community-relations concerns for LNG operators.
At the same time, CUI remains one of the industry’s most widespread and costly integrity threats. Moisture intrusion into insulation systems can create conditions that accelerate localised corrosion on piping and process equipment, particularly in LNG facilities where cyclic operating temperatures promote condensation and water ingress. If left unaddressed, CUI can lead to leaks, unplanned shutdowns, safety incidents, and significant maintenance costs. Modern stone wool insulation systems are uniquely positioned to help mitigate both challenges simultaneously. Advanced, unique stone wool insulation technologies from ROCKWOOL Technical Insulation can provide effective acoustic suppression and help reduce CUI risk through durable water repellency and integrated corrosion-inhibiting technologies.
This paper examines how ROCKWOOL’s ProRox stone wool insulation systems are helping LNG facilities address the dual challenges of excessive noise and CUI. It reviews the mechanisms behind each threat, relevant industry standards and testing procedures, and recent performance results demonstrating how advanced stone wool technologies can support safer and more efficient LNG operations.
