We have grouted 1 foot square tiles throughout the kitchen and foyer. When Spouse's walker travels over them with him leaning heavily on it, the noise is terrific and echoes throughout the open floorplan. It sounds like a horse galloping over cobblestones. Are there walker wheels like silicone, or a softer rubber?
My Dad had the 4-wheel rolling walker which has a built in seat [which was quite comfortable] and hand brakes, the walker was pretty quiet when he used it. You may want to take hubby to a store that sell these types of walkers and have him test drive one.