yes, find something, preferably smooth plastic, that is barely the size of the gap and use that as a tool to 'trowel' it smooth - will usually help to wet the tool first and do not stop/start, get in a good position to run along at a smooth steady rate the full length of the seam

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics