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Bill[_47_]

wrote:
On Tuesday, July 30, 2013 2:39:27 PM UTC-5, Bill wrote:
Surely you must drill pilot holes for the 8d finish nails

too, then, right? Right through the drywall I suppose.
That really depends on the hardness of the trim. I don't have any trouble getting the nails in, but worry about splitting when using that really hard white primed stuff from Chile that they sell at the big boxes. Try a nail or two a foot from the edges when using the 8d nails and inspect closely for tiny splits around the nails. This can be a good indicator for splitting near the ends of the trim. Drill the ends of the trim about an inch down from your inside miter for your nails if you have any doubts at all.

I just came home with my casing from Chile, I mean Home Depot. At least
in my case, the "white primed casing" is MDF. I didn't notice until I
was putting it in the car. That means it has Formaldehyde in it, so (if
I follow the guidelines at Wikipedia) I could paint the back and ends
for instance if I feel like it. As long as I don't breathe the dust
directly, or eat it, I don't expect a real problem either way. I will
be careful to avoid doing either of those things... Based on my 2 bad
experiences working with regular plywood in the last 10 years, I think
I'll don a pair of my blue-nitrile gloves from Harbor Freight when I cut
it. I would have preferred to pay for wood.

Bill