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Old 04-06-2011, 09:36 AM   #31
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Fiberglass insulation in basement?


OK. Say I decide to squeeze some foam board in. What do I do in areas where it can't be placed against the wall? Like the sewage pipes coming down and across the basement? Mounted directly to the wall. And the Electrical box is mounted to plywood, which is mounted to the wall. Just cut to fit around it then seal as much as I can? Or is it not worth the effort if I can't get a tight seal on the enitre basement wall?
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Old 04-06-2011, 10:03 AM   #32
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Fiberglass insulation in basement?


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Who built your house?
Brentwood Builders, in Central PA
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Old 04-06-2011, 10:14 AM   #33
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Fiberglass insulation in basement?


Mark's suggestion is a good one. Squeeze the foam board back there, get it as tight as possible to the stuff that's in the way, then fill the gaps that are left with expanding foam.... If that (pic) is the state that your project is currently, I'd definitely make sure to get the foam board back there one way or the other. Its just a matter of which method is easier to do so.
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Old 04-06-2011, 10:59 AM   #34
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Fiberglass insulation in basement?


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OK. Say I decide to squeeze some foam board in. What do I do in areas where it can't be placed against the wall? Like the sewage pipes coming down and across the basement? Mounted directly to the wall. And the Electrical box is mounted to plywood, which is mounted to the wall. Just cut to fit around it then seal as much as I can? Or is it not worth the effort if I can't get a tight seal on the enitre basement wall?
Yes just do the absolute best you can do and then seal with expanding foam.

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Old 04-06-2011, 11:16 AM   #35
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Fiberglass insulation in basement?


As Powerup has been witnessed by what builders do, once again the advice given is misguided.

As mentioned builders as in business to make $$, they are typically years behind the learning curve when it comes to doing what was done yester-year as opposed to what should be done today.

By his own admission, Powerup indicated that fiberglass insulation is not the best, and yet what do 98% of builders use?????? fiberglass, when by todays standards, cellulose is far superior and in most cases less expensive, builders take a long time to lose old habits.

If you do call the builder, which may not be a bad idea, to ask him if they installed XPS on the outside of the foundation, I doubt it, but if they did then you don't have to install any on the inside.

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Last edited by Gary in WA; 04-07-2011 at 12:58 AM. Reason: As per site rules.
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Old 04-06-2011, 05:15 PM   #36
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Fiberglass insulation in basement?


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Jbyrd, I am almost speechless. Do what's in your gut? Really? Should a person have no sense of responsibility to the other people who currently live in his/her home or who will in the future?... If you want to do shoddy work on your own home, thats bad enough, but dont come here and give bad advice to people that are trying to research and learn the right way to do things, and then try to argue that its correct. Then when you are proven wrong, whine about it and complain that "someone else knocks you down and tells ya you Did It Wrong!".. Guess what? This is the real world, not elementary school. We don't all get an A for effort. There is a right way and a wrong way to do things... I know very little about plumbing and electrical (even though I've done more of it than most ho's), so guess what? I don't post about it, because I'm not an expert. Please just stop for a second and think about how important your home is as an investment. Do you want to go out of your way to research how to properly complete a project only to receive bad advice from someone who really doesn't know what they are talking about? I'd imagine not. So don't offer it... If there is an area that you have a high level of expertise, then by all means, answer people's questions. If not, just stick to asking them.
As far as giving advice I never gave any advice to anyone, all I have said is what I did in my instance. Never to be used as advice. I am saying the argueing is ridicious. I have not argued with anyone nor ever called anyones work shotty or ho's. Yes I did uses FG in my basement and to date almost 8 years later no problems here. If I do end up with a problem guess I'll fix it then, and if I were to sell my house tomorrow I would tell the buyer it has FG. I take a lot of pride in my house as most others do to, but if you don't like someones advise keep the blows above the belt. Your adivse to date is probably accurate but in 10 years later it will done differently and be back at it again.
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Old 04-06-2011, 08:56 PM   #37
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As far as giving advice I never gave any advice to anyone, all I have said is what I did in my instance. Never to be used as advice. I am saying the argueing is ridicious. I have not argued with anyone nor ever called anyones work shotty or ho's. Yes I did uses FG in my basement and to date almost 8 years later no problems here. If I do end up with a problem guess I'll fix it then, and if I were to sell my house tomorrow I would tell the buyer it has FG. I take a lot of pride in my house as most others do to, but if you don't like someones advise keep the blows above the belt. Your adivse to date is probably accurate but in 10 years later it will done differently and be back at it again.
1. Ho's = Homeowners.
2. My reference to shoddy work was meant generally toward anyone who does not follow best practices
3. When you post the method that you used when somebody asks a question, that would qualify as giving advice.

.. Perhaps my response was a little harsh, but as I tried to explain, the folks that use this board as research take recommendations to heart. if you aren't certain that the way you know is the correct way, it would be best not to share with others, don't you think? ... Finally, you are probably correct that there will be new materials and methods 10 years from now that will be superior to today's. That is called progress, and it is a good thing.
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Old 04-07-2011, 01:14 AM   #38
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Fiberglass insulation in basement?


OP, the information from BSC (most sites I listed) are the latest and are being incorporated (in part) in the current IRC 2009.
Check around at different web sites to compare information on basement finishing. A few examples; http://www.terrylove.com/forums/show...or-my-basement

http://www.greenbuildingadvisor.com/...ent-insulation

http://www.familyhandyman.com/DIY-Pr...-By-Step#step2

Gary
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Old 11-06-2011, 10:44 PM   #39
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Fiberglass insulation in basement?


Homesealed... The advice you have given about insulating a basement ,does this refer to only below grade applications or both above and below.In other words if you have a walk out basement ground level above grade do you still need to put foam boards against the block wall so fiberglass can't touch it ?

Dave

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