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Hardwood Floor Help Needed Rossi 05-01-2007
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Posted by marson on May 2, 2007, 7:17 am
On May 2, 3:19 am, "CWatters"
> Sketch here...
>
> http://img222.imageshack.us/img222/5198/sisterjoistmr0.jpg

I was assuming the floor sheathing was in place. Obviously, you don't
want to remove and replace it for your fix. If for some reason it
isn't, I would suggest shimming the top of the bad joists would be
easier than bolting on a sister.


Posted by Rossi on May 2, 2007, 10:31 am
On May 2, 1:19 am, "CWatters"
> Sketch here...
>
> http://img222.imageshack.us/img222/5198/sisterjoistmr0.jpg


Thanks much! However the subfloor is already in place and removing
it would be a major headache, besides the project delay. Whatever I
do must be over the existing subfloor.

I can try to replicate "dummy joists" over the existing subfloor and
nail/glue a laminated wood new "subfloor" over them. That will take
a lot of work but is likely faster than removing the old one.

Gluing the hardwood planks over self leveling cement seems to be the
easiest/fastest route but I do not know if it can be done without
risking damaging the hardwood planks or making the floor squeaky.


Posted by Mike Hammer on May 2, 2007, 9:34 pm
says...
>
>On May 2, 1:19 am, "CWatters"
>> Sketch here...
>>
>> http://img222.imageshack.us/img222/5198/sisterjoistmr0.jpg
>
>
>Thanks much! However the subfloor is already in place and removing
>it would be a major headache, besides the project delay. Whatever I
>do must be over the existing subfloor.
>
>I can try to replicate "dummy joists" over the existing subfloor and
>nail/glue a laminated wood new "subfloor" over them. That will take
>a lot of work but is likely faster than removing the old one.
>
>Gluing the hardwood planks over self leveling cement seems to be the
>easiest/fastest route but I do not know if it can be done without
>risking damaging the hardwood planks or making the floor squeaky.

It would be a much greater project delay if you have to rip up all of the new
hardwood flooring because it failed. The only solution that has been offered to
you that is fail safe is using sister joists.


Posted by marson on May 2, 2007, 9:41 pm
> says...
>
>
>
>
>
> >On May 2, 1:19 am, "CWatters"
> >> Sketch here...
>
> >>http://img222.imageshack.us/img222/5198/sisterjoistmr0.jpg
>
> >Thanks much! However the subfloor is already in place and removing
> >it would be a major headache, besides the project delay. Whatever I
> >do must be over the existing subfloor.
>
> >I can try to replicate "dummy joists" over the existing subfloor and
> >nail/glue a laminated wood new "subfloor" over them. That will take
> >a lot of work but is likely faster than removing the old one.
>
> >Gluing the hardwood planks over self leveling cement seems to be the
> >easiest/fastest route but I do not know if it can be done without
> >risking damaging the hardwood planks or making the floor squeaky.
>
> It would be a much greater project delay if you have to rip up all of the new
> hardwood flooring because it failed. The only solution that has been offered
to
> you that is fail safe is using sister joists.

Of course you realize that to sister joists, he would have to remove
all the partitions, all the subfloor, sister joists, redeck, reframe
partitions, drywall etc or he risks floor failure (which would be
what--a few squeaks?) . This is not a realistic approach to fixing a
1/2" dip in a floor.


Posted by Mike Hammer on May 2, 2007, 10:40 pm
says...
>
>> says...
>>
>>
>>
>>
>>
>> >On May 2, 1:19 am, "CWatters"
>> >> Sketch here...
>>
>> >>http://img222.imageshack.us/img222/5198/sisterjoistmr0.jpg
>>
>> >Thanks much! However the subfloor is already in place and removing
>> >it would be a major headache, besides the project delay. Whatever I
>> >do must be over the existing subfloor.
>>
>> >I can try to replicate "dummy joists" over the existing subfloor and
>> >nail/glue a laminated wood new "subfloor" over them. That will take
>> >a lot of work but is likely faster than removing the old one.
>>
>> >Gluing the hardwood planks over self leveling cement seems to be the
>> >easiest/fastest route but I do not know if it can be done without
>> >risking damaging the hardwood planks or making the floor squeaky.
>>
>> It would be a much greater project delay if you have to rip up all of the new
>>hardwood flooring because it failed. The only solution that has been offered
to
>> you that is fail safe is using sister joists.
>
>Of course you realize that to sister joists, he would have to remove
>all the partitions, all the subfloor, sister joists, redeck, reframe
>partitions, drywall etc or he risks floor failure (which would be
>what--a few squeaks?) . This is not a realistic approach to fixing a
>1/2" dip in a floor.

He would only have to remove that part of the subfloor that is sunken.

Do you know for a fact that he can glue 5/8" thick hardwood flooring to leveling
cement? That's what he is proposing. Hardwood flooring moves a helluva lot.


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