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OSB Price
When we built I insisted on plywood exterior and roof sheathing. I wanted it for subfloors, too, but the builder talked me into "gold" sealed edge OSB claiming it would be flatter and quieter. His claims were generally true, but when our mudroom sink overflowed and flooded the mudroom all the cut edges swelled and transmitted through the linoleum. Now we see bumps in the floor. If I were to do it again I'd probably use plywood instead of OSB for subfloors, at least in wet areas.
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OSB Price
This is great conversation! Unreal the difference in locations and practices. I can not remember seeing anything but osb on a job site around here in a long time.
The last 7-10 years (guess) the standard is to wrap the corners and windows with OSB and the whole rest of the house has only 2x4 or 2x6 and like I said before that insulation board (like a celotex) material. They then put the vinle over the top and call it a house. I am not kidding you (since I lost a lot of pounds anyway) I could break into a house with a heavy duty utility knife. Think about it the next time a heavy storm blows thru with a tornado or the such. You have your bottom plate bolted to the foundation, every 16" a 2x4. On top of that you have a soft easily split siding, a piece of insulation board (fiber/foam crap) then maybe 1/2" drywall. Ask me (And this is only in my opinion) It dont sound very secure or even safe in the event of a big weather event. Guys, I can say this about that with out ripping on someone elses house because my house I live in down in Southern Wisconsin is built that way. When I had it built I did not know much anything else about the standard practices and that is one thing I never really looked into. I was furious (with my self) for not knowing that since I was ontop of many other things. Never gave it a thought when the papers were signed. Since that time I have built my own house (top to bottom all utility's) myself. Whee I built this other house was in a area or Northern Wi. that had next to no red tape and rules of inspections. I felt comfortable with my self and ability so I went ahead and did it. Dont get me wrong, I dont want this to sound like something it is not. My house up there is very simple. Basically a rectangle with walls and a with a 5x12x2.5 ceiling/roof. I have had folks say to me after seeing it, WOW I know where I am going when a tornado comes again.
1/2" ply on the outside walls, 2x6 studs,5/8" (sanded)
T-111 on the inside. Yes that is sanded! All 98 sheets of it. It is on the cieling and walls. I went with that for a few reasons (I know it is not common) This place is 312 miles from where I live, I was doing this on weekends
(I only have 2 weeks off a year vacation). My initial intent was to convert it back into a attatched garage to the new house I was going to build after I moved in a few years. My wife wanted only a toilet and shower, sink in the kitchen. She would be happy with that as a get away cabin till we moved. One thing led to anouther and the house is pretty cool trimmed all out with block pine boards, I left the t-111 unsealed and it looks real good. Most people think its T&G vertical. All seames even on roof are covered with a trim or version there of. I made my own for the cieling. Anyway, time was an issue for me and I thought it was a great way to get the look of wood in it, shorten up the install time, and in the end have a garage that had finished walls.  . Well after the bathroom went in and the 2 bedrooms, the huge picture windows along with shelves around the whole primeter of the house not to mention a ton of other cool nooks and cranny items, this place will never be stripped out and turned into a garage. Dont look like much from the outside (right now) just vinyl sidding, but that was because I figured it would be changed out later to match what ever I built onto it. The inside is really nice.
So (getting back to my point sorry) with all that wood around the house including a separate wood 2x6 walled bathroom inside of the structure, most think it would be a great storm shelter and would have to be lifted off the foundation. The house is so far back in the woods and has such a great location I love it. Thing is, it is not far enough off the 2 lane highway for me. I may re-build a whole new place a 1/2 mile back in off the highway and let the kids have that place for a second home when back from college. (I cant stand hearing the trucks on the highway)
Grinder
Thanks so much for the info and the offer. I will get back to you on a later date. We just talked about the trip last night and are still deciding. Maine is at the top of the list for 2 of the 5 memebers of my family (me and my daughter) My wife dont care where we go so the other 2 have to way in before we decide. I really do appreciate you giving me that though, I will look at the sites later tonight.
well since it is my birthday today, my wife tells me I need to get my ass off the computer and get the garage cleaned out (again) then start mudding the drywall in the basement room I built, (never finished the outside of it and she tells me I have the time so get going since we may be selling in a few months she wants me to finish off all the loose ends at this house! . OK DEAR!!!!!
Thanks guys
PS, I will looki into the home depot here today! Dont know if they still have the NO NO NO going or not but that would be great if they did
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Please clear up one thing.
I thinkI am familiar with OSB and Plywood. But what is wafer board? Is it what we call particle board around here?
Particle board = Big sawdust / saw chips + glue
OSB - Thin pieces of wood like a plane would produce + glue (2-3" x 1-2" each)
What does wafer board look like?
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I have always been a boarding board or plywood builder. There has been a new product out for a few years called Advantec. Everyone was always after me to get with the program and use it. I though,just another wafer board that will swell and fall apart. Finally I tried it on my own new house after asking many many questions about it. I had the first floor decked over in the fall and it sat all winter and spring with plastic over it. I didn't know that the plastic the guys layed had holes in it. The Advantec stayed wet all fall froze all winter and was wet, I mean wet all spring. When I took the plastic off I thought I was going to have to replace the decking. It was just like the day it was layed. This is the most incredible sheithing I have ever seen. Always flat, never have to worry about water,consistant thickness. It comes in 1/2 inch for walls, 5/8 t+g for roofing and 3/4 t+g for decking. Never use plywood again, it would have been completely delaminated if it went through what this did. In a bathroom for lanolium, you should lay a layer of 1/4 luan plywood nailed every 4 inches with ring shank,leaving a small space between the sheets and fill with spackle before laying the sheet goods.
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Lucerne
Advantec is OSB. It is the trade name made by Huber.
I have recently used that, only to have minor,1/8 in. or less joint swells on a roof. I find it very heavy and you
are suppose to gap it 1/8 in all around. That is not an
easy nut to crack on a large project.
As far as luan is concerned,I believe you will find the
flooring manufactures no longer warranty their product's
(tile/Vinyl ) over it. They want you to use multiply,
very similar, without voids.
Looking at my 3/4 advantec subfloor today on my current project.
ALL the joints have swelled! I am done with OSB!!
My 5 ply fir plywood walls and roof are fine.
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For all who are interested, there is a good article comparing OSB and plywood in the latest issue of Fine Homebuilding magazine.
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My father-in-law just bought 4 sheets of treated 5/8 inch plywood at a local lumber yard (southern Indiana)to the tune of $36 a sheet. More than $150 for 4 sheets after tax...ouch!
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I dont know about all the way around but I use the plywood clips on roofs. How about you grinder? Grinder, this is amazing to me your dislike for the osb. Are we talking about the same product? After it is nailed down I have seen osb out in the elements that normally would ruin plywood.
When you buy 5 ply plywood. Is this 5 ply because it is 5/8" thick. I bought some 1/2" 3 ply and about puked when I saw the pile after a few weeks under a tarp. I dont think I ever saw 5 ply 1/2" Is there such a thing? That may be the difference in our opinions on plywood.?
Hmmm Now I will need to do some research on this. Just went thru a very expensive new houseing subdivision (thry start at $350K) Not a sheet of plywood at any house. They still use that foam board (insulboard) crap even on the huge expensive places. That along with osb on the roofs and corners (around windows also)
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Yes, The way I read it is you are suppose to gap it 1/8 " all around.
Now can you imagine doing that on a large roof and staying sq.?
Three ply would be about the cheapest crap you could buy.
I use 5 ply fir 1/2 5/8 3/4. The grains are alternated in assembly and glue up.
OSB vs Plywood has a great deal to due with the time of year
and how fast you can get it covered. Either product should be asap. Yes, OSB is weather resitant until the surface is
penetrated or cut. I have noticed the swelling of the edges
where I have nailed it or cut it. Depending on the intended use, this can be a problem. example. OSB with uneven edges
will need another layer of a leveling product (luan type)etc
before installing a finished floor. 3/4 5ply fir plywood
underlayment and your ready to go with most floors.
There are several flooring products that are not warrantied over OSB.
The uneven edges will also transfer to your asphalt shingles
if the roof gets to wet before they are installed.
When using it on sidewalls for sheathing there are other issues to contend with. The one that worries me the most
is creating another vapor barrier on the outside wall due to the use of resins and wax in the OSB, Plyood does have
resin as well but do to the nature of the wood needed to make it(tight grains of large tree's vs chips from fast growing (10 yrs to harvest) trees used for osb and other chip board products. The plywood will dry out better.
So that any moisture getting past your vapor barrier
INSIDE your house will be able to get through the plywood easier. There have bveen lawsuits settled on this issue with some types of siding. Mold !
Google Plywood VS OSB I found a couple of unbiased university studies that were interesting.
Remember this, most decisions in building are profit motivated, especially in large subdivisions.
Check out building sciences .com American plywood assc.
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The decision that I made to use OSB as interior wallcovering in my workshop was not profit motivated, but I admit that it was cost motivated. I don't have the worries that have been noted about vapor barrier interference or swelling from moisture because I am just using it inside. In my climate, I would not use it outside the walls or ceiling.
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