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osb vs ply

9059 Views 44 Replies 23 Participants Last post by  MrRoofer
What are your guys thoughts? We pretty much hate OSB. We've found it to have problems with expansion and it is softer underfoot than ply(CDX). But I have talked with many builders that pretty much only use OSB.

Any thoughts?
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Builders use OSB because it is half the price of plywood, not because it is better. The same builders also skip on tar paper when nailing on their "premium" composition shingles, and support the lot with 2x4 joists on 24 inch centers. Since ventilation is also done as cheaply as possible, there is plenty of opportunity for leakage and/or condensation. OSB works only as long as it is dry - get it persistently wet and the manufacturers will tell you that OSB is not the right product for those conditions. So within ten years or so, the roof starts to sag and ripple. People get what they pay for, even if they don't understand that the "great deal" they got on the place was because they are paying for cheap materials and methods.
I think pgriz summed up all the unorganized thoughts in my mind into one nice neat post.
G
Osb Is Good To Use Because You Make More Money Because Its Cheaper And After Your Warranty Is Up Its Not Your Problem What Happens
unregistered that's such a poor attitude to have. Your warranty might be expired but your reputation endures and if cutting corners is the only way you can make a profit, I am sorry but you are in the wrong business.

Do the job right or don't do it at all.
G
i might cut corners but im making more money than you!!!!
G
If The Waters In The Warranty Is Up!!
Grumpy, I don't know who "unregistered" is, but if he can't (won't?) identify himself, there must be a reason. No reputable roofer would display the attitude he shows. :evil:
Unregistered said:
If The Waters In The Warranty Is Up!!
I agree with you P. Also it is possible he might be making more money than me now but when his company goes out of business after he files bankruptcy because he is sued for substandard work, we'll see who's making more money.

Children can be soooo amusing!
I will be changing the board within a week so that you have to register and login to post. Hopefully that will help things!
Nathan, I've no problem with registering or loggin in. I DO have a problem with people who make abusive and unprofessional remarks and hide under the cloak of anonimity. We've had a few on this board, thankfully only a few. Keep up the good work, your board is becoming almost a work of art!
Nathan said:
I will be changing the board within a week so that you have to register and login to post. Hopefully that will help things!
Nathan, I am in agreement with P. I think keeping it a registered user only board will increase popularity. I know a few of our memebers posted as unregistered before they actually registred. Your decision. We can ignore the people with too much time on their hands or if their posts move from the end of nonsense to offensive you can remove them.
I'm finishing the Terms of Service and Posting Policy for the site right now. The only way enforce the rules is to require people to log in.

Contracting (whatever the trade) is too dangerous for people to be posting just anything on this board. I think for legal reasons I need to make this change.

Thoughts?
I can't comment on anything legal but you have my opinion in the previous post. It's more work on you as an administrator to police the boards.
We also get a few people who post, thinking they are logged in when their not.
Once the OSB is covered it works as well as plywood. We have found no reduction in quality or longevity. The owners enjoy the savings and could mean the difference of getting the job or not. We use it on Govt projects as well.
The crap sags.


.
Once the OSB is covered it works as well as plywood. We have found no reduction in quality or longevity. The owners enjoy the savings and could mean the difference of getting the job or not. We use it on Govt projects as well.
In my experiences, it is just the opposite. Nobody uses plywood anymore. It separates and sags horribly.
The crap sags.


.
I agree, the OSB they have out now seems to be very stable. I have not had any problems with it swelling or sagging.
In my experiences, it is just the opposite. Nobody uses plywood anymore. It separates and sags horribly.
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