[T2] Rubber Floor Plugs?

[MUTS .]

Try blobs of a good urethane (isocyanate) calk, as seen in a boat store, 
forced thru the hole to form a plug that will not back out.  Home Depot 
sells such a sealant, 3M Adhesive Sealant Fast Cure 5200

MUTS  = Michael's Ultimate Thumb Saver
93 Chevy Roadtrek 210P
78 VW Westfalia Camper

On 12/19/2014 11:50 PM, Avocado Tom Tarka wrote:
  In doing some work on my '71, I've ended up with a lot of the little 
rubber
  plugs that go into the small floor holes, disintegrating.  For 
example, the
  holes in the floor of walkthrough portion of the bus...
  What do people use to replace these?