Author Topic: plexiglass window  (Read 2337 times)

Offline gramps

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plexiglass window
« on: June 02, 2015, 02:36:10 am »
i'm replacing the old dryer vent in the basement window, of coarse the plexiglass cracked when i tried to remove the old vent, pipe and caulk, so off to the hardware store i go. i knew nothing good would happen when the young guy used a big magic marker to mark the size. but anyways it's about 1/16" too big on one side and about 3/16" on the other. i know that's not a score and snap deal (from past experience). cutting the circle for the vent shouldn't be a big deal, but the 1/16" cut could be troublesome. any suggestions on what blade to use?   thanks in advance, gramps

Offline Kepy

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Re: plexiglass window
« Reply #1 on: June 02, 2015, 08:35:23 am »
Masking tape over the cut line will let you get a clean cut.

Offline Rapid Roger

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Re: plexiglass window
« Reply #2 on: June 02, 2015, 10:30:37 am »
A coarse file and sand paper and patients.
It's a lot of work and no fun but, in my opinion it is the best way to get a smooth edge when working on getting such a small amount removed from a Plexiglas piece.
You can score a line along the correct dimension and work down to it just to give you a goal to work to.

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Offline crusty59

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Re: plexiglass window
« Reply #3 on: June 02, 2015, 10:36:43 am »
If you have a router and a straight flush cut bit with a bearing, clamp a straight edge to it and just rout it off

Offline Wooden Lace

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Re: plexiglass window
« Reply #4 on: June 02, 2015, 11:10:15 am »
I'd take it back and make them re-cut one that's the right size.
Nancy from Washington state.
Nancy from Washington state
I'd give up chocolate, but I'm no quitter!

Offline DWSudekum

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Re: plexiglass window
« Reply #5 on: June 20, 2015, 07:04:13 am »
I cut plexi a LOT.  Put clear tape on both sides mark the cut and using a #9 skiptooth or #9 reverse make your cut.  The clear tape will act as a lube for the blade.  After the cut it should be smooth however should it not be a quick running over the rough area with some 150 grit will take care of it.  Just an fyi magic marker is easily cleaned off using alcohol.


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