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Roxul?

Discussion in 'Modern EPA Stoves and Fireplaces' started by mattjm1017, Nov 8, 2017.

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  1. mattjm1017

    mattjm1017

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    I’m planning on getting some roxul this weekend and stuffing it up the chimney around the pipe. My question is does it matter which kind of roxul I get? My local lowes has r15 and it’s not labeled for use in duct or masonry and they have one that is r0 “safensound” not labeled for use in ducts or masonry either. Does it matter what I use or can I use any of them?
     
    mattjm1017, Nov 8, 2017
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  2. Locust Post

    Locust Post

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    The R15 is what I used and it has been in there 3 years with no problem at all.
     
    Locust Post, Nov 8, 2017
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  3. Eric VW

    Eric VW Moderator

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    Good to know.
    Being rock wool, I can’t see there being any difference in the stuff...my unlearned opinion, of course.
     
    Eric VW, Nov 8, 2017
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  4. Locust Post

    Locust Post

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    I really don't know if any difference at all either just went and looked at what I had bought. I bought mine for not only around the liner/chimney block off but it was for insulating between overhead floor joists in the garage below the house floors.
     
    Locust Post, Nov 8, 2017
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  5. brenndatomu

    brenndatomu

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    Look up the data sheet on whatever you buy just to make sure, but I think any of it will work because all their stuff is non-combustible I believe.
     
    brenndatomu, Nov 8, 2017
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  6. Scotty Overkill

    Scotty Overkill Administrator

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    I used Roxul R15 in my ZC fireplace chase. IIRC, it was rated as a fireproof insulation. And if I'm not mistaken, the insulation inside my Napoleon NZ3000 fireplace factory built case is also Roxul.

    Check online to be sure, but I'm thinking all the stuff they make is fire rated.

    You could look into Kao-wool, but yer gonna need to get your $$$ out for that stuff....
     
    Scotty Overkill, Nov 10, 2017
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  7. chance04

    chance04

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    Where are you all buying this? I was in Lowe's tonight by the insulation, and back in plumbing with the gas venting chimney. All I could find is fiberglass batts, bales of loose fill, and huge bags of roxul with backing

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    chance04, Nov 10, 2017
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  8. Scotty Overkill

    Scotty Overkill Administrator

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    I bought mine in Lowes, that was around 5 years ago when I built the fireplace.
     
    Scotty Overkill, Nov 10, 2017
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  9. chance04

    chance04

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    Lord help me if I have to break down and ask an employee there....lol

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    chance04, Nov 10, 2017
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  10. Scotty Overkill

    Scotty Overkill Administrator

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    :rofl: :lol:
     
    Scotty Overkill, Nov 10, 2017
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  11. brenndatomu

    brenndatomu

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    Not that it would do any good anyways...lowesblowes
     
    brenndatomu, Nov 10, 2017
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  12. chance04

    chance04

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    Ain't that the cold bitter truth!!!

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    chance04, Nov 10, 2017
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  13. brenndatomu

    brenndatomu

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    We are fortunate to have Menards in this area...completely different experience...completely...
     
    brenndatomu, Nov 10, 2017
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  14. chance04

    chance04

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    Lol funny you should mention them. I was looking around for a big box store that carried our brand of siding to check into getting some sill strip instead of ordering our color and waiting two weeks. Menards carries it in stock but closest store is in OH and they wanted 200 bucks shipping to get it to me......shame, they carry a lot of great stuff

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    chance04, Nov 10, 2017
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  15. mattjm1017

    mattjm1017

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    The Lowes here has piles of the unfaced roxul. Either the r15 or the r0 fornsound proofing. It’s all in the insulation section but good luck if you ask someone about it they won’t have a clue.
     
    mattjm1017, Nov 10, 2017
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  16. mattjm1017

    mattjm1017

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    I called roxul today and talked to a really nice lady from Australia. She said that they do not have a product rated for what I want to do as they have not performed any tests or studies so she cannot recommend I use it in this manner although in theory it should be just fine as long as it is unfaced and my stove pipe doesn’t get above 2100*:bug: I told her if it’s that hot I won’t have a house anymore and that it is usually only a couple hundred *. So she said that while she can’t recommend I use their product for this it should work in theory but maybe I should look into a ceramic insulation instead that has been tested. So with that in mind I think I’ll go with the theory that it should work.:whistle:
     
    mattjm1017, Nov 10, 2017
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  17. chance04

    chance04

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    That's the worst part of the whole store. There are a select few who know what and where but corporate runs them ragged


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    chance04, Nov 10, 2017
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  18. Locust Post

    Locust Post

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    With her theory and your considering her theory and my proof I have a good hunch you will be just fine.
     
    Locust Post, Nov 10, 2017
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  19. brenndatomu

    brenndatomu

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    That's just CYA. The stuff may melt over 2100* but I don't think it will burn...would pretty much just become lava I would think...
     
    brenndatomu, Nov 10, 2017
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  20. papadave

    papadave

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    papadave, Nov 12, 2017
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