The World's Most Resilient Permeable Hardscape Solutions. Revolutionary permeable paver jointing mortar and, for bonded construction, permeable paver bedding - a real-world permeable slab. Not to mention the 50-Year Life Expectancy of the full "RSG" Permeable Paving Assembly, with proprietary Romex Elutriant paver bridge bonding compound. ROMEX CANADA provides expert advice and planning, estimates, installer training, and world-class follow-up and customer service.