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Rick
Registered Users
Posts:157
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| 06/19/2001 2:59 PM |
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| So, Dave, is Polysteel the ONLY answer to below grade ICF? Are there any other alternative methods? |
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Dave Watson @ Polysteel
Registered Users
Posts:34
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| 06/19/2001 6:02 PM |
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| Rick, The only method that SBCCI has approved for below grade use of foam in areas of heavy termite infestation is PerForm Guard. This technology from AFM Corporation is currently used by Polysteel and Diamond Snap Forms. As I said in the earlier posts Termi-Mesh and Grail Coat from what I know are good products but they have not been approved for below grade use in those areas. |
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Rick
Registered Users
Posts:157
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| 06/20/2001 12:11 PM |
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Dave, very much appreciated. Thanks for the clarification.
Rick Stacey |
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markross
Registered Users
Posts:1035
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| 06/21/2001 4:30 PM |
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Dave:
I was under the impression that acrylic stuccos were termite resistant. If this is the case, can we not simply cover the entire surface, including below grade with stucco?
Mark Ross
"Le Canuck" |
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Dave Watson @ Polysteel
Registered Users
Posts:34
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| 06/23/2001 11:19 PM |
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Mark, Not under SBCCI, In areas of heavy termite infestation the only code approved method is PerForm Guard.
Dave Watson
American Polysteel |
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markross
Registered Users
Posts:1035
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| 06/25/2001 5:20 PM |
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Dave:
What classifies as a barrier to termites, other than metal, and is used for an exterior covering?
Mark Ross
"Le Canuck" |
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Dave Watson @ Polysteel
Registered Users
Posts:34
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| 06/25/2001 5:45 PM |
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Mark, I'm not sure I understand your question. The termite issue has been focused on the use of foam below grade because termites can nest there and migrate from the foam to a food source. The approval of a barrier as termite protection I believe has been a problem because of the possibility of poor or improper installation. I'm sure we all seen or heard of waterproofed walls the leak. Just like water will seek a place where there has been a compromise so will those pesky termites and carpenter ants.
Dave Watson
Sales Manager
American Polysteel |
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markross
Registered Users
Posts:1035
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| 06/26/2001 3:45 PM |
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Dave:
I am familiar with termite shields, and concrete walls, but often the little beggers build tubes to run up the walls in, and I was wondering if there are approved finish materials, which they cannot get through, other than metal interlocking siding.
Mark Ross
"Le Canuck" |
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Rick
Registered Users
Posts:157
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| 06/26/2001 4:16 PM |
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| I was under the impression that there were also soil treatments to prevent termite, or at least "inhibit" termites from coming anywhere near a house. How effective are the soil treatments? Anyone? |
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markross
Registered Users
Posts:1035
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| 06/26/2001 7:09 PM |
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Better yet Rick, does the protection methods via pesticides, react with the foam at all.
Mark Ross
"Le Canuck" |
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seflpolyst
Registered Users
Posts:147
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| 06/27/2001 8:49 AM |
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| rick, in florida we must treat and pass inspection of the soil and areas within 5 feet of the foundation/slab before the vapor barrier, rebar and slab mesh can be placed (yet another inspection) and the the concrete poured. the biggest threat down here is not the exterior wall (cmu or icf) but the penetrations for plumbing, electric and hvac, which come up through the slab and are running through interior (wood mostly) partition walls. if these penetrations are not treated and sealed properly with the slab concrete, they become perfectly shielded passageways for the termites much like a custom made "service entrance" even if the perimeter is concrete. soil treatments also have to be maintained around the perimeter and landscaping and shrubs should be kept away from the exterior walls, especially when wood siding is used (fiber cement siding is growing rapidly for this and fire reasons) |
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Rick
Registered Users
Posts:157
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| 06/27/2001 10:09 AM |
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Thanks Peter. That was a VERY informative answer, and much appreciated. Markus, I have done a bit more research on the borate treatments for EPS applications, and it does not seem to have any adverse reaction from what I can tell, but, I need to do more research. As Dave Watson has mentioned, the borates are a low risk and fairly safe compound, the only indication in most cases are that borates, when ingested or come in contact with bare skin/eyes,cause irritation, but no real danger, in small doses anyhow. It makes sense, as some people, as in those with eczema, soap products and laundry detegents can cause flare ups and irritation. ( My son being one of those)I guess the point I had been trying to get at in my previous post, is that in a manufacturing facility, there would be a more concentrated opportunity for that irritation to take place, even though stringent guidelines have to be in place to allow any manufacturing process to take place involving the human element. But, now I am rambling. Thanks again Peter for your input!
Cheers
Rick
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markross
Registered Users
Posts:1035
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| 06/27/2001 10:48 AM |
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Peter:
How thick is the fiber cement siding in which you are refering to, and would a cementous coating equal in thickness provide the same resistance?
Thanks.
Mark Ross
"Le Canuck" |
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seflpolyst
Registered Users
Posts:147
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| 06/27/2001 5:54 PM |
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rick...thanks...
mark...fiber cement siding may be known as hardie, cemplank, eternit, lousiana pacific etc....its usually about 1/4" thick, look in the builders mags for web sites and info....
they all make textured sheets for walls and soffits, like T111 plywood, as well as lap siding with several different patterns and textures. they also make 5/4 stock in different withds (canadian spelling according to ian) for window and corner trim etc. i have never heard it being used under ground against termites, and i would have concerns with the seams or laps if so used... |
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markross
Registered Users
Posts:1035
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| 06/27/2001 11:58 PM |
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well, Im down to considering cement board over the foam with grouted joints, does anyone have any other ideas. Also, should I be this concerned in Ohio, Indiana or Kentucky, Dave brings up a good point that it is a concern, although not as extensive as that in the more southern climates.
By the way Dave, your Canadianease is very good.
Mark Ross
"Le Canuck" |
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