Removing subfloor at walls?

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  #1  
Old 01-29-09, 04:15 PM
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Removing subfloor at walls?

I'm tearing up the subfloor in the second floor of my house. I suppose I have to cut it where it goes under the walls. What tool do I use to do this? Thanks.
 
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Old 01-29-09, 05:34 PM
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Set power saw at depth of subfloor to make cut at wall.
 
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Old 01-29-09, 06:07 PM
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What kind of power saw? I'm trying to get the cut flush with the wall.
 
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Old 01-29-09, 06:36 PM
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Most tend to recommend a circular saw at the right depth and use the guide up against the bottom plate to cut out subflooring. A sawzall can be used in corners and areas where circular will not reach.
 
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Old 01-29-09, 07:00 PM
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Old 01-30-09, 03:11 AM
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Originally Posted by Michael Thomas View Post
Thanks, this is what I need.
 
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Old 01-30-09, 01:48 PM
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Harbor Freight is less expensive, but their toe kick saw lacks the flexibility of the Crain.


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Harbor Freight Tools - Quality Tools at the Lowest Prices
 
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Old 01-31-09, 12:40 AM
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Is this a 1/4" sub-floor for under carpet or vinyl? If the sub-floor you are removing is 3/4" and goes under the walls it was probably installed directly on the joist before the walls were framed, therefore being the only support for the walls where they run paralell to but are not over the joist. If this is the case and you cut it around these walls the drywall or plaster will probably crack. On the other hand, if the sub-floor you refer to is on top of another floor, as it would be if put down for carpet or vinyl, it probably does not go under any walls.
 
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Old 01-31-09, 03:25 PM
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twelvepole: Thanks for the link, I ordered that saw.

Bill62: Yes, the wall was built over the 3/4" subfloor.

edit: Bill, I just realized I don't know how much support that wall has. It runs parallel to the joists. It looks like it has a joist under it (I haven't quite opened the subfloor that far yet). Now I don't know if removing the subfloor will take away support from it. I will try to get a pic tomorrow if my explanation isn't making any sense.

Thanks.
 

Last edited by peter_x; 01-31-09 at 03:43 PM.
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