Fill wide gap between trim and wall.

Old 04-11-21, 01:46 PM
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Fill wide gap between trim and wall.
What is a good way to fill the gap, so that I can caulk it after?

There is a wide gap between the trim and the wall. I couldn't get the trim closer because the wall is masonary and I had to glue the trim instead of nailing it. I wanna fill the gap and then caulk it. Because if I just caulk it without filling the gap, the caulk will drop down the gap.
Old 04-11-21, 02:09 PM
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Anyplace it's 1/4 or so you can insert foam backer rod then caulk it.

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