I agree with Greg. We installed "Resiliant flooring by traffic Master", 3 years later with a power wheelchair, 3 kids and a great dane abusing it constantly it looks like it did the day we installed it. It is also called a floating floor as it is not fixed to anything so it goes over most ...

WWW.wheelchairramp.org has a free manual and videos on how to build ramps and low-rise stairs designed to code for persons with disablities. You can download it for free. This website has a lot of great ideas.