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Author Topic: Jack Miters with a jigsaw  (Read 3460 times)

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Offline festooltim

  • Posts: 332
Jack Miters with a jigsaw
« on: November 16, 2012, 09:11 PM »
Had to make new casing for 2 windows in a kitchen and required jack miters to match existing. Made new sills and flat casing bought backband it was close enough for match. This is a technique I used once before. I just laid out the casing with a speed square and cut the notches with my Trion jigsaw using the speedsquare to guide the saw for the 45 degree cuts and carefully rip the straight line for the notches with the jigsaw also. I use the Kapex to clip the 45 cuts on the side pieces. Then I make a test fit and trim up a little if it needs it. Trim gets painted so I just get it close and use a little filler if needed. The hardest part is making the sills, it can be difficult to get a smooth rout on the edge. I do everything on site so I have to be creative on how to set up a quick router table to run my pieces. Also made the baseboard using 1x8 and rout the edge with big ogee. I stand two boards for the baseboard on edge on saw horses put a couple 2x4s between them for spacing and clamp together. So the router can sit on both of them with a space in between. Then you can run the router down the inside of one and come back on the other one. Some pictures of final job sorry I didn't take any in progress, in to much of hurry.
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Offline jmbfestool

  • Posts: 6638
Re: Jack Miters with a jigsaw
« Reply #1 on: November 17, 2012, 04:05 AM »
Looks good once it's all painted. 

One thing I would of done different instead if running the frame all the way round even underneath the sill I would of made the sill longer and slighty deeper so that outer frame stop down onto the sill and not go underneath the window with the frame. 

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Offline Tim Raleigh

  • Posts: 3615
    • Oakville Cabinetry
Re: Jack Miters with a jigsaw
« Reply #2 on: November 17, 2012, 01:20 PM »
Quote from: festooltim on November 16, 2012, 09:11 PM
Had to make new casing for 2 windows in a kitchen and required jack miters to match existing.
Looks good.

Quote from: festooltim on November 16, 2012, 09:11 PM
The hardest part is making the sills, it can be difficult to get a smooth rout on the edge. I do everything on site so I have to be creative on how to set up a quick router table to run my pieces. Also made the baseboard using 1x8 and rout the edge with big ogee.

Sounds like you need a CMS  [tongue]

Quote from: jmbfestool on November 17, 2012, 04:05 AM
One thing I would of done different instead if running the frame all the way round even underneath the sill I would of made the sill longer and slighty deeper so that outer frame stop down onto the sill and not go underneath the window with the frame. 

JMB, I agree, but he's trying to match existing detail.
It would look a little strange if it was different.

Tim
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Offline festooltim

  • Posts: 332
Re: Jack Miters with a jigsaw
« Reply #3 on: November 18, 2012, 08:01 AM »
Yes JMB I don't normally do the sills that what and your right Tim I was matching existing style. That's actually the first time I have seen them done that way. House was built in 1920. The set of windows on the left where built to open by going down inside the wall. Would have been cool to see them work but have been painted shut for long time. And the termites had the lower track ate up so was not able to get working agin.
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Quantity is no substitute for Quality

2-mft3's ,  ct22,  ts55,  rotex125,  c12, kapex,  ras115,  65planer,  of1010,  LR32system, trion psb 300 eq,  parrallel guides,    sortainer,  routerbitsystainer,  guide rail acc. kit,  toolie,  t-shirt,  hat,  pen,  saftey glasses.

Offline galwaydude18

  • Posts: 842
Re: Jack Miters with a jigsaw
« Reply #4 on: November 18, 2012, 08:14 AM »
Nice job. It's going to look nice once filled and painted
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