Have a look at this thread where I started as a novice and ended up with some very sound repairs after advice from Max and others...
http://www.rib.net/forum/f50/aerotec...ice-68545.html
Agree with Max on a tender floor one side should be fine... but a foot is a long split so I might be inclined to go for in & out in this case. As long as you use two part glue I think it will hold.
My DIY efforts have survived crashing at speed through a chop... somewhat to my surprise!