My father is looking into building a ramp. He wants to know if there is a maximum steepness a ramp should be for people to be able to push stuff up on it.<BR><BR>Would something like a 25% slope be ...

A four-inch rise from my shed to the ground may not seem significant, but it can be quite an annoying hassle to maneuver my lawn mower and snowblower in and out of. A ramp is definitely needed, but I ...