On 4/11/14, 10:18 PM, Morgans wrote:


"-MIKE-" wrote

That's what I figured. I remember working with the stuff in the late
80s and early 90s and it was pretty nasty. The OSB that's out now is
much different. It's still OSB, so it is what it is. But I've found it
to be much improved over the stuff from 25 years ago.

If you ever run across Advantech or Norbord Truflor, check them out.
They are very advanced OSB subflooring sheets and are great to work with
and strong as an ox. Also, they are very water resistant.

If you were to in any way compare OSB and Advantec (engineered subfloor
composite board) I would argue most strenuously. They are not the same
product. Not even close. In the first place, OSB is made cheaply to
cover large areas economically, where strength is not key. The
engineered subfloor is very strong, and used because it does not suffer
from delaminating and voids as modern plywood seems to suffer. It is
also quite expensive, in comparison to OSB.

Advantec is still not to be used under tile because no wood is rated for
direct contact with masonry unless is is treated, and Advantec is not.
Wood also does not have the same coefficients of expansion as tile, and
therefore is not a good choice of material for bonding to masonry.
Advantec, however, shows very little signs of swelling or coming apart
in flakes when exposed to the weather, even for long periods of time. I
have seen it weather for nearly a year with very little changes other
than discoloration.

As I mentioned to Karl, they are all Oriented Strand Board.
As he said, a Maserati is an automobile, too. So it a Buick. :-)


--

-MIKE-

"Playing is not something I do at night, it's my function in life"
--Elvin Jones (1927-2004)
--
http://mikedrums.com

---remove "DOT" ^^^^ to reply