My company does a lot of high-end cabinetry and finish carpentry work, including coffered ceilings. Building coffers requires dozens of coped joints, and we've found that we can save a lot of time in the field and produce a better finished product by precutting all of the pieces in our well-equipped shop.
We worked out our precutting process a couple of years ago when we got the contract for a huge coffered ceiling in a new golf club. My crew and I decided that we needed a better system, because even our most skilled finish carpenters would spend several minutes on each coped joint. At that rate, the huge job would have taken weeks.
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