replying to bent, millworkman wrote:
Also the block around the perimeter of all hollow core doors made by Masonite
are all approximately 3/4". Don't cut anything more than 3/8" from any block/
Cut the entire block out and put it back in using wood glue and clamps to
ensure the block sets back on the door properly without jeopardizing its
structural integrity.

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posted from
http://www.homeownershub.com/woodwor...ons-59210-.htm