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MDF- Do YOU Understand It?

 
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Old 02-28-2015, 11:30 PM   #61
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Re: MDF- Do YOU Understand It?


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... To dust it shall return if machined with power tools.
Just when I think I can understand Canadian, someone will use an expression like this.
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Old 02-28-2015, 11:31 PM   #62
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Re: MDF- Do YOU Understand It?


Mostly Dust Flying
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That guy in video have mental issues plus eat hole turtle from some reason
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Old 02-28-2015, 11:53 PM   #63
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Re: MDF- Do YOU Understand It?


I hate the stuff. The dust bothers me used to be allergic to the formaldehyde in it. I try an avoid it like the plague. I do my best to use poplar the majority of the time but on occasion I have to use MDF.
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Old 03-02-2015, 12:18 AM   #64
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Re: MDF- Do YOU Understand It?


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Just when I think I can understand Canadian, someone will use an expression like this.
I think that one's biblical
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Old 03-02-2015, 12:20 AM   #65
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Re: MDF- Do YOU Understand It?


[QUOTE=Tylerwalker32;2570762]I hate the stuff. The dust bothers me used to be allergic to the formaldehyde in it. I try an avoid it like the plague.

Is that why I saw a guy in a HAZMAT suit cutting trim? disposable covies cw hood, 2 canister mask.
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Old 03-02-2015, 11:14 PM   #66
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Re: MDF- Do YOU Understand It?


I read through all the threds . Haven't used it for a few years but I have a question for those having a problem with miters opening . Are you mitering your inside joints or coping .mitering the inside might take longer but it allows for the use of glue .when i glued them together they did not separate without taking wood from both surfaces .It glued very well for me .I was surprised to see the problems , It might be a reginal thing ,more moist climate or more dry climate bigger movement of material .
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Old 03-03-2015, 12:24 AM   #67
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Re: MDF- Do YOU Understand It?


As far as dimensional stability, I think if you get a run over 25' you can start seeing issues. Depending on how it was stored.

It has to be climatized, so many times a gc will crank the heat (35*C) after install to get the flooring moisture content down. I can watch all my door/window casings shrink 1/16" in 8'.


It's nice that you don't have to face the edges, or worry about checking/cupping/twisting. Yeh the dust sucks.

I just started using a round over plane in place of my laminate trimmer and I'm not going back. I rip whatever I can with my track saw, I swear that alone is worth the price. Miter saw has great dust collection too.


If you guys haven't used ultralight it's a god send to the world of mdf. Half the weight, no puckering.

Last edited by mgb; 03-03-2015 at 12:28 AM.
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Old 03-03-2015, 02:15 AM   #68
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Re: MDF- Do YOU Understand It?


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I read through all the threds . Haven't used it for a few years but I have a question for those having a problem with miters opening . Are you mitering your inside joints or coping .mitering the inside might take longer but it allows for the use of glue .when i glued them together they did not separate without taking wood from both surfaces .It glued very well for me .I was surprised to see the problems , It might be a reginal thing ,more moist climate or more dry climate bigger movement of material .

I've never been able to cope mdf, i always seems to phuck it up. So I just miter it.
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Old 03-03-2015, 05:00 AM   #69
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Re: MDF- Do YOU Understand It?


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I've never been able to cope mdf, i always seems to phuck it up. So I just miter it.
Depends on the size. I don't bother coping small thin profiles. Just spring it into place, and glue the chit out of it.
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Old 03-03-2015, 09:48 AM   #70
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Re: MDF- Do YOU Understand It?


http://www.thecoper.com/

try this...
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Old 03-03-2015, 10:24 AM   #71
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Re: MDF- Do YOU Understand It?


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What a joke.Only watched the first few seconds to figure this out.I could cope a bunch of crown in the time it takes him to make his template and get set up.
Did you notice at the beginning where the guy with the coping saw was running it perpendicular to the molding?
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Old 03-04-2015, 07:15 AM   #72
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Re: MDF- Do YOU Understand It?


I looked at a womans staircase. She didnt like the regular sized newell post at the bottom. She suggested we "cap" it with a fake mdf newell post that goes on top in pieces and fits together to make a new one.

Shoulda seen my face.. Have you guys heard of that before? An mdf newell post retrofit? Wtf?
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Old 03-04-2015, 09:44 AM   #73
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Re: MDF- Do YOU Understand It?


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What a joke.Only watched the first few seconds to figure this out.I could cope a bunch of crown in the time it takes him to make his template and get set up.
Did you notice at the beginning where the guy with the coping saw was running it perpendicular to the molding?
I haven't watched the video but if there are more than a couple rooms worth of base to do, its faster. I've never tried it on crown
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Old 03-04-2015, 11:44 PM   #74
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Re: MDF- Do YOU Understand It?


Anybody got the coper
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Old 03-04-2015, 11:50 PM   #75
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Re: MDF- Do YOU Understand It?


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I haven't watched the video but if there are more than a couple rooms worth of base to do, its faster. I've never tried it on crown
I don't know.I cope with a Bosch jigsaw.It's pretty quick.
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Old 03-05-2015, 12:37 AM   #76
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Re: MDF- Do YOU Understand It?


I have it and I don't see going back to hand coping unless I'm into non repetitive work. I wouldn't say that someone with a bunch of skill and experience with their tools couldn't keep up to it, but I know I couldn't cut consistent, perfect copes at the pace that thing can do it. I have my own procedure that I find works well for me. I certainly don't use a diesel powered router like the picture shows. A small laminate trimmer is fine.
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Old 03-29-2015, 07:35 PM   #77
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Re: MDF- Do YOU Understand It?


This is what commercial work in Vegas is all about, rarely do you install anything but mdf, we use to install wood casing and base, now it's all mdf. Wear a dust mask and master space and seam fill
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Old 03-29-2015, 07:36 PM   #78
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Re: MDF- Do YOU Understand It?


*master spackle
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Old 03-29-2015, 08:02 PM   #79
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Re: MDF- Do YOU Understand It?


I'm a relatively new carpenter still (5 years exp) and I was trained on pine and mdf. I don't mind working with it. I always use a dust mask though.

We have a coper as well, I love it.
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Old 03-29-2015, 08:12 PM   #80
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Re: MDF- Do YOU Understand It?


Mdf isn't bad if you know the in and outs of it. I do feel that it has dumbed the trade down a bit, you don't have to be a great carpenter to install mdf, I work with a lot of guys that install mdf good but I would never let them install anything that was stain grade. when we do high rise buildings it's all mdf, but every once in a while we do something in a casino and then we get to work with real wood

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