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I'd like to show you a little unusual trim work I'm doing. This is the door
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into my shop and I'm installing this trim. I've installed it here actually. I'm
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installing more of it inside but it's different than what you normally see. This flat part here is pre-assembled ahead of time as a single unit. There's a
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butt joint here. It happens to be connected with pocket screws from behind
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To make it look a little nicer I've got a piece of material here on the
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outside that sticks proud of the face. It's fairly wide and then another
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piece here on the inside of the frame. The combination looks nice but there's a
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practical reason. It's not unusual for drywall to sometimes stick out a little
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bit too far, a little bit further away from the the door and window jam so that when
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you put your trim on it you'll see the edge of the drywall here. It's kind of
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ugly and it's really hard to fix neatly to reduce the position of that drywall
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So what I like to do is to install a strip on the inside here. Taken all
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together it looks quite nice. The challenge is that you never really
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know for sure how wide to make this. I mean if you're making this inner strip
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wide enough to cover some of the drywall edge that's on this side it's gonna have
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to be a certain height but then if you run into another frame in the job where
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the drywall isn't proud of the frame then your piece of wood here is too wide
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It sticks out too far and it looks kind of funny. So I'm going to show you what I mean by that and a small router jig that I've made to fix this problem quite
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easily and very accurately. Here's some more of that style of trim and this
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strip is is obviously too wide. It sticks out way too far from the face of the
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trim involved. Because the exact position of the trim varies a little bit
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depending on how the drywall went on in relation to the window frame you can't
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necessarily cut this properly before you install it. But I've got a little
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handheld router jig that mills the width of it so it chews down the face of it in
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place after the fact making the clearance and the protrusion just right
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So here's the jig you can use this you can make this on any small handheld router
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there's really nothing much to it. This strip of wood is fastened to the base
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plate with double-sided tape and I have a straight bit here that's sticking up
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above the base plate and a little bit in the arc of the cutters a little bit in
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from the edge of the wooden strip. The purpose of the wooden strip is to ride
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with this face against the face of the main body of the trim. So it rides
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against it and then the bit the bit can chew off the face of this inner trim if
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it sticks out prouder than the difference between the top of this bit
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and the working face of the jig. So you kind of as I'll show you in a second you
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drive it around like this and it chews off any excess wood bringing it down to
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the same height relative to the main face of the trim. It's pretty important
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because this difference in height can even vary within one frame depending on
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how the drywall is pushed it extends in or out from the edge of the from the
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edge of the jamb. So that's how it works and then after that you can sand this a
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bit and finish it and you're done
