Guest guest Posted January 24, 2009 Report Share Posted January 24, 2009 Barb, Is there any way you can attack the problem from the outside, by reducing the amount of water that drips into the ground from roof, extending rain gutters, increasing the grade around your house or putting a sheet of plastic under dirt to channel falling water away etc? I think that water in a basement is a serious issue. Whatever you can do to cut it off at the source - it will help. The solutions you are mentioning dont sound to me as if they will help as much as preventing that water from getting into the walls in the first place. Is your home on a slope or is it in a gully or near a stream? If not, you can probably deal with the problem the way I described. If its on a slope, groundwater tends to pool on the uphill side and (ugh) migrate down under the house if it is blocked by a foundation. If there is a lot of water, that is a very difficult situation. A place I lived in a few years ago had that problem and it would lterally flood UP from below when it rained.. Very quickly.. so quickly that you could see (and smell) the water bubbling up through cracks in the floor. If you have a problem like that it may make more sense to put the basement outside of the building envelope, insulate the **** out of your floor and all pipes, and seal everything, and add a vent and a fan going 24/7 out.. powered ventilation blowing out to suck air from the now-crawlspace out all the time.. There is a dissertation on the net that has a wealth of information on the pros and cons of various crawlspace solutions.. Ive posted the URL quite a few times.. its the one with " article6 " in it I think. If you can't find it, let me know, I'll dig it up. The other papers on that site are all valuable too. Good luck! On Sat, Jan 24, 2009 at 6:06 PM, barb1283 <barb1283@...> wrote: > > There is a portion of house foundation that can't be repaired properly > and is damp and cracked and some mold, not fuzzy on the wall, but > indoor air person noticed and there is some odor, so I thought putting > a hepa air filter there and changing filters every few months would > keep the 'spores' from getting up into house. (I know other particles > are important too but that's all I can do right now. I may drap off > that part of basement with heavy plastic also, not putting plastic up > against wall, because that would increase moisture level of wall but > drap off the corner and put air filter inside of drapped off area. > > Any ideas? Thanks > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 24, 2009 Report Share Posted January 24, 2009 Live. It's on a hill top. Yard in front of house does slant very slightly toward the house though which I will be correcting somewhat by building up soil line right in front of house. It's on my 'to do' list at least, which is very, VERY LONG!!! As for the foundation, we dug it down to about 20 inches and repaired it from outside, repaired the cement and coated with with tar and then stuck a large sheet of rubber onto the wet tar. I did that in another small area of foundation and it works great. However, the main source of damage is at the very bottom, where roots from a very large, probably 80 year old Water Maple got into the foundation. We know that because it happened on the other side of the house also. The roots are in the way of repairing it all the way down, so we repaired the top 20 inches and then built the soil up as high as we could when we finished, up to bottom of basement windows, but that wasn't very high. I could, and may now, add plastic but the problem is that the large tree roots have gotten into foundation there. The tree roots made cracks in cinder blocks and then water is attracted to holes in 'cinder blocks'. There is a service that will inject something into each cinder block space a 'filler' of sorts so that there is no spaces in cinder block to collect water, BUT I figure with the tree roots which have broken some of foundation cement and then drilling into those cinder block's open spaces to inject this stuff, it may be too much destruction of the foundation cinder blocks. The other side of house foundation had same problem but was much worse, from another tree just like this one but planted even closer to house. On that side of house, I repaired the foundation wall completely about 8 years ago. There is a whole new wall on that front west side of house. The house was put up on hydrollic pumps to hold it while wall was poured. Problem was that afterwards tree died due to the destruction to it's roots. That doesn't sound too bad since it caused the problem but several years after tree was taken down - a couple years ago - water started forming under the garage floor which is right there! I think the tree roots which were very large, like small trees in size, have decentigrated and probably their disappearance may have left a 'gap' under the house/garage area there which is attracting water. I will have to dig up garage floor now and see what problem is and this will be very expensive, so I don't want other tree to die...as much as I wish it weren't there. I have to stop doing so much work to house because I'm beginning to realize it is just a money pit now. It's hard to get to that point, for me anyway, where I stop saying " yes, I can - repair it " and give up, but I think I'm coming up to that despairing realization. It needs someone with more energy and primarly more cash than I have. It's not a burner but it does need alot of work. The water on side of house that is still needing work, comes down in gutters that run underground to the hill in the back and empty, so water isn't from house run off. However a little plastic there in addition to the small slope we built up might help a little so thanks. I'm going to do that. --- In , LiveSimply <quackadillian@...> wrote: > > Is there any way you can attack the problem from the outside, Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 24, 2009 Report Share Posted January 24, 2009 Live, didn't you buy a reasonably priced hepa air cleaner? I thought I heard you say that once, or perhaps not a hepa. I'm not sure I need a hepa. I want something that would just capture spores that may be coming from corner of basement foundation to keep them, or some of them, from getting picked up in house air, until I can do something more permanent. --- In , LiveSimply <quackadillian@...> wrote: > Is there any way you can attack the problem from the outside, by reducing > the amount of water that drips into the ground from roof, extending > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 24, 2009 Report Share Posted January 24, 2009 Yes, I have a Whirlpool AP450 and it works well. It was a life saver when we were living in the place we got sick in and I used it when we were having our attic done, because of the dust, but luckily, I haven't needed to use it in quite a while. But it works well, we picked it because it had won the Consumer Reports test and it pulls in a lot of air and is pretty quiet considering how big it is. If its on the low speed its barely audible. The only negatives I can think of are not unit specific, basically, it has a activated charcoal that is very thin and although it does catch dust and prevets it from gong ito the HEPA, its basically useless if you think of it as a charcoal filter (which, actually, it isn't advertised as, so I really shouldnt be complaining) Its like those " charcoal " AC filters.. fairly useless. I would prefer to use a washable piece of very thin foam.. If I start using it again.. (I really should have ths last fall, because I got sick this last fall - I think its mold in the air from the leaves......) Its a great cleaner.. we paid around $200 (I think $199) and it came with one filter which lasted a long time.. (especally considering) The filters cost around $60-70 mail order and we are on our fourth one.. Its easy to clean, easy to open and wipe it out and if you are feeling ambitious you can even remove the wheel to hose off/vacuum.. not hard.. I do that with my HRV also, I have become adept at disassembling it, wiping it down, and putting it back together. At some point I will probably photograph everything and post a how to. Really, Barb, I would strongly recommend an HRV to you. Sure, nobody in many parts of the US has heard of them, but they are great.. I really think ours paid for itself last summer.. Its hard to tell exactly, because we also had our attic done and foam put in (BTW, its working really well.. we have the second best insulated house in this neighborhood, if you go by snow melt on roof..) BIG reduction in heat in summer and cold in winter.. Between that and the HRV, we were able to cut AC use a huge amount.. Its hard to say exactly how much but before we got the HRV, our attic would get up to well over 100 degrees.. (measured by IR optical thermometer) Post foam, it never got above around 85, even on hot days.. with no AC up there.. But it really shines in the winter.. When people go on about how they have to live outside, I sigh because we basically have fresh air all of the time.. the air inside is exchanged many times a day.. As I speak, its probably below freezing outside, I'm sitting in the living room, HRV supply around eight feet away, blowing fresh air into room, I dont even feel any draft at all.. The temp of the air coming out of the HRV is probably at least 55 or 60, (and we keep our house between 68 and 72..) We are spending well under $200 a month on heat and gas! And we are warm.. and we have fresh air all the time.. You know, its easy to be skeptical but its for reall. YOU PROBABLY COULD EVEN ADD A SUPPLY AND RETURN TO YOUR BASEMENT AND IT QUITE POSSIBLY MIGHT MAKE THE AIR THERE HEALTHY. (I would put them on dampers, though, until you worked the finer details out, so you could turn the " zone " " on " or " off " (This is easy, just buy registers that close.) I would add a dehumidifier down there, though, for the summer.. and reduce the flow with the dampers..because as you said, they do bring in humidity on humid days. We almost never turn ours up, we leave it on low all the time.. sometimes cycling on 15 min per hour, (at night or if its VERY cold) sometimes on all the time.. Its made the air much cleaner.. I really couldn't live without it.. seriously.. THEY REALLY SHOULD BE STANDARD EQUIPMENT ON ALL HOUSES AND APARTMENTS.. Blah blah blah... I'm sorry, I can see how I must bug people sometime.. My wife didn't thnk the HRV would work... But now, we both love it. People come over to check t out and several of our neighbors have bought them.. If you try it and it works out, you will totally thank me.. On Sat, Jan 24, 2009 at 8:21 PM, barb1283 <barb1283@...> wrote: > Live, didn't you buy a reasonably priced hepa air cleaner? Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 25, 2009 Report Share Posted January 25, 2009 Washable piece of foam: I was going to put fabric I buy at fabric store inexpensively around outside to help keep inside filters that are expensive to replace cleaner, longer but washable foam sounds like a winner. --- In , LiveSimply <quackadillian@...> wrote: > > I would prefer to use a washable piece of very thin foam.. If I start > using it again.. Quote Link to comment Share on other sites More sharing options...
Guest guest Posted January 25, 2009 Report Share Posted January 25, 2009 Make sure its VERY fine and tight open cell foam or it won't work well enough to keep the smaller gunk off the HEPA. Its hard to find foam thats not so dense its too restrictive, AND is dense enough.. You can also HEPA vacuum HEPA filters... if you are really cheap.. (not such a great idea unless your vacuum filter is washable) I am hoping we start seeing washable HEPA filters soon.. I don't see why they aren't available. On Sun, Jan 25, 2009 at 10:03 AM, barb1283 <barb1283@...> wrote: > Washable piece of foam: I was going to put fabric I buy at fabric store > inexpensively around outside to help keep inside filters that are > expensive to replace cleaner, longer but washable foam sounds like a > winner. Quote Link to comment Share on other sites More sharing options...
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