Originally Posted by Oms
Like Seamgrip or Silnet sold at REI?
Seamgrip is urethane based
Silnet is silicone based
Some of the glues used on cuben like Hysol are urethane based.
You don't have to thin down most of the urethane based sealers but you do have watch for runs. Most are water based so it is easy wipe off before drying.