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Crown molding glue or no glue5/18
For the last 30 years I have been using glue along with pins to put up crown. A little dab every 8" or so. Wondering how many others do the same and whether its necessary.
If we're talking about larger crown up to the ceiling I use liquid nails with a finish nailer. Smaller crown going to cabinetry I usually don't glue since it's all pre-finished.
Do you mean 23 gauge pins or 18 gauge brads?
Like JeffD said if its finished not much point in glue and it makes a mess.
Many guys use a Grex style 23 gauge pinner with lots of pins. No glue required.
Small crown (prefin or not) I use fastcap 2p10 with accelerator. For the tops of cabs, I build a "snake" that mocks the perimeter of the cabs and set the whole kitten kaboodle as a unit. I've done tests with tHis this stuff ( very scientific).. Take 2 pieces of mdf...glue with accelerator, wait a minute and throw it on the concrete floor as hard as you can (didn't come apart but the mdf itself split) for big crown I use yellow glue and spring clamps. I also use construction adhesive on the backs of the miter as extra assurance. No nails hardly ever.
I glue the ends only and use a 3/4" x 18 ga. pin. The 23 ga pin is not a good choice for this application, the pin does not have a head and will not hold the crown if it gets a little bump in the future. If it works for you then keep doing what you are doing. I wouldn't do it your way strickly because I install non finished raw stain grade cabs and do not want any glue to dribble down the face frame causing a spot that will not take stain. If your system works for you then keep at it. JB