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- Xref: sparky rec.woodworking:10121 misc.consumers.house:17327
- Newsgroups: rec.woodworking,misc.consumers.house
- Path: sparky!uunet!walter!porthos!dasher!patter
- From: patter@dasher.cc.bellcore.com (patterson,george r)
- Subject: Re: hardwood floor repair
- Organization: Bellcore, Livingston, NJ
- Date: Mon, 25 Jan 93 02:07:00 GMT
- Message-ID: <1993Jan25.020700.5478@porthos.cc.bellcore.com>
- References: <1993Jan22.010500.17955@porthos.cc.bellcore.com> <1993Jan21.215016.11711@acuson.com> <C1A178.G92@ra.nrl.navy.mil>
- Sender: netnews@porthos.cc.bellcore.com (USENET System Software)
- Lines: 40
-
- In article <C1A178.G92@ra.nrl.navy.mil> <Healy@space50.nrl.navy.mil> writes:
- >In article <1993Jan22.010500.17955@porthos.cc.bellcore.com> patter@dasher.cc.bellcore.com (patterson,george r) writes:
- >>
- >> Now put the tongue of the new board in place, and drop the other end down.
- >> You might want to glue this board in; otherwise, use finishing nails,
- >> countersink them, and fill the holes.
- >>
- >> Before cutting, make *absolutely sure* that there is a subfloor (cause
- >> that's all that will hold this thing together. One of my rooms is carpeted
- >> because there's a broken board in the middle and there's no subfloor.
- >>
- >
- >Why is subflooring necessary? Can't one nail it to the joists like
- >the original board? Basically I don't see the difference between
- >the original board and the replacement except the latter is missing
- >the bottom of the groove, and it doesn't seem like subflooring would
- >make any difference. Or am I missing something?
-
- The tongue & groove method locks one board to another to form a basically
- solid mass. One board cannot bend without its neighbors also bending. Now,
- if you remove the bottom piece of the groove in the new board, there's
- nothing below the tongue in the old one next to it to keep it from moving
- downwards - except the subfloor. If you don't have a subfloor, 3/4 inch
- oak can bend as much as 1/8" in between 16" joists with a small man (me,
- for example) on it. A heavy person can crack it. And, believe me, 1/8"
- is enough to make you very nervous about stepping there.
-
- If you want to see how this feels, take a piece of 1xwhatever and lay it
- across two 2xwhatevers and step on it.
-
- Anyway, it shouldn't be a problem. The only place I have seen flooring
- put down without a subfloor is attic or dormer bedrooms.
-
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