Raising a floor

	Raising a floor

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Subject

Author

Date

Raising a floor

jims

11-30-2006

DanG

longshot

DanG

Robert Allison

Steve Barker LT

Jimsimm

Jimsimm

Jimsimm

Jimsimm

Jimsimm

Jimsimm

Jimsimm

Michael Bulatov...

DanG

RicodJour

Michael Bulatov...

bowgus

bowgus

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Posted by on November 30, 2006, 1:05 pm

I have a den off of my kitchen that was built by enclosing the patio
that was there. The entire home is on a slab but this den is about 2
inches lower than the adjoining room. I'm thinking I can put down a
vapor barrier, 2x3's and then a subfloor. My question, if I have the
basics right so far, is how much should the 2x3's be spaced and should
they be fastened to the slab below or build a frame around the room and
just fasten to that? Thanks for any input as I consider tackling this
one.

Posted by DanG on November 30, 2006, 2:20 pm

There sure are lots of issues here.

Don't talk about 2x3's, it makes you sound totally non conversant
in construction matters. There is no such thing - but there are
2x4's.

Are you sure the addition has a footing? If it does not, it is
not code compliant.

If the room in question is just sitting on an old patio (we hope
not), the patio was probably poured with "fall". Exterior
concrete is not poured level, it is meant to shed water,
hopefully, away from the house.

If you are placing lumber of any type against the ground or
concrete, make sure you use pressure treated materials, even with
the vapor barrier as it will be violated when you fasten the
lumber down. You could attempt a floating frame, but I don't
think you would like it and it would rub through the vapor barrier
anyway.

If you lay the sleepers flat, they will be out of level just like
the patio. If you stand them on edge, they can be custom cut to
provide a flat floor. Remember you need 1 1/8" for decking if you
want to get rid of most of the bounce although single layer 3/4"
might prove adequate depending on size of room and span of
material. This becomes a major issue if you intend to use ceramic
flooring of any type.

I'm sure you have more questions now. Just don't call them 2x3's
and you may get some better answers.
___________________________
Keep the whole world singing. . . .
DanG

>I have a den off of my kitchen that was built by enclosing the

>patio

> that was there. The entire home is on a slab but this den is

> about 2

> inches lower than the adjoining room. I'm thinking I can put

> down a

> vapor barrier, 2x3's and then a subfloor. My question, if I have

> the

> basics right so far, is how much should the 2x3's be spaced and

> should

> they be fastened to the slab below or build a frame around the

> room and

> just fasten to that? Thanks for any input as I consider tackling

> this

> one.

Posted by longshot on November 30, 2006, 2:29 pm

> There sure are lots of issues here.

> Don't talk about 2x3's, it makes you sound totally non conversant in

> construction matters. There is no such thing - but there are 2x4's.

you are very wrong on this issue, it might be regional thing. people in
Indiana thought I was retarded when I tried to buy 1 x 5s.
they are perfect for trimming openings in 2 x 4 walls with 1/2 sheetrock on
both sides.... "nope, they don't make em." hmmm i could have sworn i used
them al lthe time for about 5 years on the east coast.

Posted by DanG on November 30, 2006, 2:38 pm

It may be regional, as I have always been west of the Mississippi.

I might have sold you jamb stock milled at 4 1/2 or 4 5/8, but I
would have sold you 1x4, 1x6, 1x8. I've been at this for over 40
years now, but I can always learn something new.
___________________________
Keep the whole world singing. . . .
DanG

>> There sure are lots of issues here.

>> Don't talk about 2x3's, it makes you sound totally non

>> conversant in construction matters. There is no such thing -

>> but there are 2x4's.

> you are very wrong on this issue, it might be regional thing.

> people in Indiana thought I was retarded when I tried to buy 1

> x 5s.

> they are perfect for trimming openings in 2 x 4 walls with 1/2

> sheetrock on both sides.... "nope, they don't make em." hmmm i

> could have sworn i used them al lthe time for about 5 years on

> the east coast.

Posted by Robert Allison on December 1, 2006, 10:04 am

DanG wrote:

> It may be regional, as I have always been west of the Mississippi.

> I might have sold you jamb stock milled at 4 1/2 or 4 5/8, but I

> would have sold you 1x4, 1x6, 1x8. I've been at this for over 40

> years now, but I can always learn something new.

> ___________________________

> Keep the whole world singing. . . .

> DanG

Dan, it is available. It is really a commercial item in that
we have always been able to get 1x3 and 2x3 for furring
strips. We use the furring for block walls, attaching to bar
joists for ceilings, etc. I have not seen it much in
residential until just the past few years.

>>>There sure are lots of issues here.

>>>

>>>Don't talk about 2x3's, it makes you sound totally non

>>>conversant in construction matters. There is no such thing -

>>>but there are 2x4's.

>>you are very wrong on this issue, it might be regional thing.

>>people in Indiana thought I was retarded when I tried to buy 1

>>x 5s.

>>they are perfect for trimming openings in 2 x 4 walls with 1/2

>>sheetrock on both sides.... "nope, they don't make em." hmmm i

>>could have sworn i used them al lthe time for about 5 years on

>>the east coast.

--
Robert Allison
Rimshot, Inc.
Georgetown, TX

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