Anyone who’s ever had to work with warped, knotty millwork knows how inefficient it makes the job. Trim of inconsistent quality forces a finish carpenter to scratch his head and think hard before each cut. He has to cull the pile, set aside the worst pieces for closets, and make sure he always cuts matching miters from the same piece of trim so the profiles will match. No wonder I see so many bald trim guys. My way to prevent hair loss is to insist on high-quality millwork. I buy from a small-volume, local shop that mills all its own trim. The lumber has been carefully dried to a uniform 7% moisture content, and is fed slowly through a computer-controlled, four-sided molding machine, which produces a smooth finish and ensures that every piece of casing is identical. This gives me the confidence to join miters cut from different pieces of trim knowing that the profiles will meet precisely. The peace of mind alone is worth the extra 20% I have to pay for the material, not to mention what I save on labor. Because it’s a small shop and quality is my most important consideration, I allow the mill to cut my trim from random length stock, as long as there are plenty of 16-footers. After it’s cut, the shop lays my trim face to face, stacks it in bundles that can be carried by one man, and wraps it with plastic. All the molding is delivered to the job site oriented in the same direction, carried into what will be the cutting room, and stacked facing the way I want it. I never have to spin a 16-foot piece of casing in a 14-foot-wide room before cutting it.

When my crew and I arrive on a site, we’re like a wolf pack staking out our territory. We take over the largest room we can find to set up the cutting station and a large work table. The work table, which we use for biscuit joining and glue-up, is simple: a full sheet of 3/4-inch plywood fastened to sawhorses. Because the process is so messy, we...

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