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15 members (James, cullmanbamafan, odocoileus, RCHRR, BrandonClark, BAR1225, 7short, TexasHuntress, WINMAG300, russellb, YellaLineHunter, 4 invisible),
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Joined: Feb 2008
Posts: 18,356 Likes: 75
Old Mossy Horns
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Old Mossy Horns
Joined: Feb 2008
Posts: 18,356 Likes: 75 |
So I replaced 2 shooting roofs this year. Both took 2 sheets of 4x8 particle board. I just replaced old with new. Sealed seams where they met and even put another strip of OSB over the seam. Still had water seeping into house soaking the chairs and floors so I’m going to put metal roofs on them now. My question is should I just pull off the OSB and replace it or can I just put new metal on top of OSB. I’m worried that water will get under the metal and soak the OSB and I’ll have an issue there. All opinions welcome.
AKA: “Dr. B”
Aldeer #121
8-3-2000
Proud alum of AUM, UAB, and UA
2023-2024 ALdeer Deer Contest Champions
2024-2025 ALdeer Deer Contest Champions
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Joined: Jan 2016
Posts: 529
4 point
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4 point
Joined: Jan 2016
Posts: 529 |
just strip with 1x4 over the existing osb and make sure you have good overhang with the metal and you should not have an issue.
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Joined: Nov 2005
Posts: 8,189 Likes: 113
14 point
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14 point
Joined: Nov 2005
Posts: 8,189 Likes: 113 |
Why would you use particle board?
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Joined: Feb 2008
Posts: 18,356 Likes: 75
Old Mossy Horns
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Old Mossy Horns
Joined: Feb 2008
Posts: 18,356 Likes: 75 |
Why would you use particle board? It was cheaper than plywood…by a lot. Got what I paid for I guess.
Last edited by bamaeyedoc; 02/04/25 01:41 PM.
AKA: “Dr. B”
Aldeer #121
8-3-2000
Proud alum of AUM, UAB, and UA
2023-2024 ALdeer Deer Contest Champions
2024-2025 ALdeer Deer Contest Champions
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Joined: Jul 2011
Posts: 39,938 Likes: 130
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,938 Likes: 130 |
Put the metal over the OSB with plenty of overhang as JKlep said . Lathing strips are optional IMO on the OSB for a shooting house application.
"Why do you ask"?
Too many people spend money they don't have , on things they don't need, to impress people they don't know.
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Joined: Jul 2011
Posts: 39,938 Likes: 130
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,938 Likes: 130 |
Why would you use particle board? It was cheaper than plywood…by a lot. Wait, is it OSB or particle board , there's a difference . Particle board and water don't mix , it should never be used for subflooring , storm sheeting or roof decking. OSB is what's used most nowdays.
"Why do you ask"?
Too many people spend money they don't have , on things they don't need, to impress people they don't know.
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Joined: Feb 2008
Posts: 18,356 Likes: 75
Old Mossy Horns
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Old Mossy Horns
Joined: Feb 2008
Posts: 18,356 Likes: 75 |
Why would you use particle board? It was cheaper than plywood…by a lot. Wait, is it OSB or particle board , there's a difference . Particle board and water don't mix , it should never be used for subflooring , storm sheeting or roof decking. OSB is what's used most nowdays. Particle board. I was thinking they were same thing. Not the case.
AKA: “Dr. B”
Aldeer #121
8-3-2000
Proud alum of AUM, UAB, and UA
2023-2024 ALdeer Deer Contest Champions
2024-2025 ALdeer Deer Contest Champions
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Joined: Oct 2006
Posts: 9,133 Likes: 40
14 point
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14 point
Joined: Oct 2006
Posts: 9,133 Likes: 40 |
you can try this on the joints - I've used something similar on a 5th-wheel roof (rubber membrane was leaking). It will seal the joint - maybe use a couple of staples in areas that you think might curl. https://www.amazon.com/Typar-Self-A...71J3/ref=cm_cr_arp_d_product_top?ie=UTF8
Last edited by Hunting-231; 02/04/25 01:44 PM.
"The struggle you're in today, is developing the strength you need for tomorrow."
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Joined: Jan 2017
Posts: 5,760 Likes: 75
12 point
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12 point
Joined: Jan 2017
Posts: 5,760 Likes: 75 |
I would use the metal roof seam tape if you are using more than one sheet width of metal roofing panels. I am guessing the roof is not flat but if flat I would create a slope for the metal.
"It is the mark of an educated mind to be able to entertain a thought without accepting it"
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Joined: Jan 2017
Posts: 5,760 Likes: 75
12 point
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12 point
Joined: Jan 2017
Posts: 5,760 Likes: 75 |
"It is the mark of an educated mind to be able to entertain a thought without accepting it"
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Joined: Jan 2017
Posts: 5,760 Likes: 75
12 point
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12 point
Joined: Jan 2017
Posts: 5,760 Likes: 75 |
Why would you use particle board? It was cheaper than plywood…by a lot. Got what I paid for I guess. Particle board acts like a sponge!
"It is the mark of an educated mind to be able to entertain a thought without accepting it"
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Joined: Jul 2011
Posts: 39,938 Likes: 130
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,938 Likes: 130 |
Why would you use particle board? It was cheaper than plywood…by a lot. Wait, is it OSB or particle board , there's a difference . Particle board and water don't mix , it should never be used for subflooring , storm sheeting or roof decking. OSB is what's used most nowdays. Particle board. I was thinking they were same thing. Not the case. I'd take it off and lathe it with 1x4 or 2x4 and not even deck it , unless you want to seal it, then use OSB or exterior plywood. 1/2" 3 ply would work for plywood. Just high humidity will cause particle board to swell and come apart. It needs to "breath" but be in a dry location. It's rarely used in residential construction now. Used to be installed between carpet and subflooring.
Last edited by 2Dogs; 02/04/25 01:58 PM.
"Why do you ask"?
Too many people spend money they don't have , on things they don't need, to impress people they don't know.
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Joined: Aug 2013
Posts: 15,088 Likes: 149
Old Mossy Horns
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Old Mossy Horns
Joined: Aug 2013
Posts: 15,088 Likes: 149 |
Screw the metal roof on the particle board. You will be fine.
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Joined: Jul 2011
Posts: 39,938 Likes: 130
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,938 Likes: 130 |
Screw the metal roof on the particle board. You will be fine. After the April showers , the particle board will swell, deteriorate rapidly and the screws won't hold. He'll have to completely re-do it in a year or two .
"Why do you ask"?
Too many people spend money they don't have , on things they don't need, to impress people they don't know.
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Joined: Oct 2001
Posts: 27,998 Likes: 85
Freak of Nature
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Freak of Nature
Joined: Oct 2001
Posts: 27,998 Likes: 85 |
Can you paint it with a good elastomeric roof coating paint?
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Joined: Nov 2005
Posts: 8,189 Likes: 113
14 point
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14 point
Joined: Nov 2005
Posts: 8,189 Likes: 113 |
Why would you use particle board? It was cheaper than plywood…by a lot. Got what I paid for I guess. Yeah Particle board doesn’t like moisture at all. I’d strip all of that stuff off
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Joined: Oct 2001
Posts: 27,998 Likes: 85
Freak of Nature
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Freak of Nature
Joined: Oct 2001
Posts: 27,998 Likes: 85 |
bamaeyedoc - are you talking particle board or OSB?
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Joined: Mar 2011
Posts: 799 Likes: 1
4 point
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4 point
Joined: Mar 2011
Posts: 799 Likes: 1 |
I put osb under my metal for the noise dampening when raining, acorns falling, etc
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Joined: Oct 2008
Posts: 31,552 Likes: 130
Grumpy Old Man
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Grumpy Old Man
Joined: Oct 2008
Posts: 31,552 Likes: 130 |
Problem solved. ![[Linked Image]](https://i.postimg.cc/nzsz4MQ0/IMG-1563.jpg)
I hate making a good first impression. There’s no way I can keep that shit up.
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Joined: Oct 2012
Posts: 12,134 Likes: 41
Booner
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Booner
Joined: Oct 2012
Posts: 12,134 Likes: 41 |
Remove particle board and replace. Then use metal with good overhang as roof you can replace particle board with osb or plywood if you want
I have some roofing tarpaper you can have if it would help.
Well, the way I see it is there's just too many assholes
On a good day there's a bunch of assholes in here.
On a bad day there's too many assholes in here.
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