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 Post subject: Circular saw and 3/4" oak floor
PostPosted: Mon Dec 15, 2014 6:22 am 
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Joined: Mon Dec 15, 2014 6:05 am
Posts: 2
Hi,

I will be installing 3/4" x 2 1/4" oak floor joining to an existing floor of the same type.
For one of the joins I need to cut a 6' straight line into the existing floor, across. This is at the edge of the existing floor, in order to create a decorative transition into the new floor.

I plan to use circular saw with Freud Diablo D0760R blade (60 teeth):

http://www.amazon.com/Freud-D0760X-Diablo-Finish-4-Inch/dp/B001CZEU0S/ref=sr_1_1?ie=UTF8&qid=1418642268&sr=8-1&keywords=D0760R

My main concern is how to prevent chipping and splitting the floor surface when I make the cut. I do not have access to a track saw, so that is not an option.
Will just taping and/or placing a sheet of thin plywood or wooden piece help and prevent splitting?
Or should I use different blade?
Or different method?

Thanks,

DG


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 Post subject: Re: Circular saw and 3/4" oak floor
PostPosted: Wed Dec 17, 2014 9:58 am 
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Joined: Tue Dec 18, 2007 8:32 pm
Posts: 79
Use tape and a sharp blade.


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 Post subject: Re: Circular saw and 3/4" oak floor
PostPosted: Tue Feb 24, 2015 12:46 am 
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Joined: Mon May 05, 2014 11:56 pm
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ddgg wrote:
My main concern is how to prevent chipping and splitting the floor surface when I make the cut. I do not have access to a track saw, so that is not an option.
Will just taping and/or placing a sheet of thin plywood or wooden piece help and prevent splitting?
Or should I use different blade?
Or different method?


A few things...

One, you might want to cut planks so the blade goes *into* the surface that will be visible and not out of it. You should have no problem doing that for face surfaces, but side surfaces still need to be taken care of otherwise.

Two, just about the most reliable way to get rid of chipping is to use sacrificial wood of same or higher density. Whenever the blade is coming *out* of the surface, that surface has to be propped. Usually you end up with sawing off thin slices of that sacrificial wood every time you make the cut, so there's not much of it you need to spend.

And another thing - you might get better results with using a miter saw than a circular saw, and it'll be easier to work with longer planks (which are a pain in the neck to crosscut on a circular saw, you might want to put together a cross-cutting sled for that if miter saw is not an option).


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 Post subject: Re: Circular saw and 3/4" oak floor
PostPosted: Tue Feb 24, 2015 5:35 am 
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Joined: Mon Dec 15, 2014 6:05 am
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Hi,

Because the planks were already installed (existing floor), I can not use a miter saw.
I ended up taping the floor where the cut was going to be, and also screwing straight scrap board on the side, to use as a guide.
I used a brand new blade with high tooth count and then cut went very well. No chipping and a perfect straight line.


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