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Homeowner Forum / Construction / February 2006Mysterious black mold on roof
anyone know what that black mess is on the north side of most roofs? it looksk like black flour was spilt is this mold? why is it on the north side of roofs Thanx Your likely going to get all kinds of opinions but I suggest you carefully go up onto the roof and scape a sample into a small glass jar. Take your sample to a local University Extension Center. Most urban universities have these extension centers that provide testing and analysis services. If no extention center is in your area there is a hospital -- for sure -- that provides testing services. You'll have to call around. What you want to learn is the composition of the "black mess" before you can reliably determine what to do. I can make some comments about the North side of the roof being the same side where moss grows on trees for example inferring the same principles may be at work. You can use the web to search or do something drastic like going to a library and asking a librarian to help you learn why moss grows on the North side of trees. With that knowledge as an indicator at least you'll have some basic information from which to proceed. <%= Clinton Gallagher > anyone know what that black mess is on the north side of most roofs? > it looksk like black flour was spilt > > is this mold? why is it on the north side of roofs > > Thanx If you find that this is mould, there are several solutions that you can apply to the roof. We have a biodegradable solution, Batimoss, for removing moss, algae and mould and it also leaves a fungicide on the surface to protect it! Take a look at: http://www.originaltouch.co.uk > Take a look at: > http://www.originaltouch.co.uk thank you, will check it out yeah, most houses around these parts have it on their roofs one theory a fella offered was... highly dangerous black mold he claims it makes alot of people deathly sick...like spinal cord sick (menengitis or something like that) I'd like to know for sure, without having to submit it to a lab everybody has it around here, maybe someone who knows for sure will reply...i'd be happy with a semi authorative answer but will check out the link you gave. >> Take a look at: >> http://www.originaltouch.co.uk [quoted text clipped - 17 lines] > > but will check out the link you gave. Home depot and such outfits sell a kit, 'petri dish' gel smear container, then you send it to the lab and they send back a result its not expensive... 30 dollars or so...best thirty bucks you will ever spend. if its black mold its a very real problem... if its endemic to the area then it will pervade any damp spot in the house and see the entire place with spores that have led in the past to demolition of the building.. its covered up and officially ignored a lot due to the loss of real property and tax base involved... a news paper that printed a story about black mold would loose 80% of its advertisers the next day.... do the test with the lab... anon... if its black mold and 'everyone else has it'... a lot of people stand to loose a lot of money. It will not be possible to remediate the entire neighborhood, trees, dirt, basements, sewers etc. Decide what to do accordingly. it will be hard to get straight answers in the community... as soon as black mold is announced publicly the whole mess gets nasty....so what you have now is either no black mold...or more likely black mold that the rich people in town, who own the real estate want to keep in the unmentionable bin or smoked over with spin, distractions and rhetoric. Phil Scott > it will be hard to get straight answers in the community... > as soon as black mold is announced publicly the whole mess > gets nasty....so what you have now is either no black > mold...or more likely black mold that the rich people in town, > who own the real estate want to keep in the unmentionable bin > or smoked over with spin, distractions and rhetoric. mhmm i figured everybody had it i just gotta know for sure >> it will be hard to get straight answers in the community... >> as soon as black mold is announced publicly the whole mess [quoted text clipped - 7 lines] > i figured everybody had it > i just gotta know for sure I think mold grows on/in places other than a roof. > I think mold grows on/in places other than a roof. I take it your talking about black mold oh sure..mold shows up lots of places it's just odd...im in a very moderate part of the country, but in this town which is ratty anyway! everybody seems to have the black toner looking mess spilled down dey roofs if it's black mold, im going to create a real scare and then start up a black mold killing proprietorship! Guaranteed! to get rid of the mess... Ill tell them, their children could die if they don't get rid of it I think this mess is very lethal >> I think mold grows on/in places other than a roof. > [quoted text clipped - 11 lines] > start up a > black mold killing proprietorship! Sell your house first. But watch out, you can be sued for non disclosure of the situation later.. you cant kill the black mold by the way, some if it you can kill... but most of it, is spores spread all through the structure.. the place has to be torn down... if its all over the community... its a bad deal to build there... and it can spread./ say a person moves from a black mold area and takes furniture with black mold in it...in a few years that house can easily be terminally contaminated. There are simple 'cures' for black mold on the market, designed as palatives for those in denial or who dont want to loose their property value...but its really not a solution... you need study the mess in depth. And dont let anyone know you have the petri test dishes out. > Guaranteed! to get rid of the mess... > Ill tell them, their children could die if they don't get > rid of it > > I think this mess is very lethal For those who are alergic to the mold it can be lethal, for some others its no problem at all... you need to research the figures... a survey of the health of those living in the area will tell you a lot...for that you need to know the normal health demographics...how many in the US on average have asthma for instance... if its 10 out of a hundred, and your area is say 12 out of hundred its not statistically significant..... if its 30 out of a hundred in your area... then its a big issue. A big part of mold remediation is drying the area out... you will never dry the north side of the roofing... if its old structure there are water leaks and dry rot that will host the mold. study dry rot, a different issue, but you will learn about spores and runners in that study... you cant just treat the spot... its anything in the same air space you have to treat...thats why its a nasty issue.. mostly covered up, like dry rot in Marin county...worlds richest real estate... nasty dry rot problems the building dept ignores.. Phil Scott "Phil Scott" <philscott@philscott.net> wrote in news:dtguus$e84$1 @news.tdl.com: >>> I think mold grows on/in places other than a roof. >> [quoted text clipped - 58 lines] > > Phil Scott Hey Phil: I never saw this black roof side syndrome till I went to NC. Then I sw it everywhere...on one side. Some an even "coating" and some an even coating with clean "runs". I thought it was just some nasty pollution. The part that makes me reply to you is "A big part of mold remediation is drying the area out... ". For two months daytime highs don't go below 90 degrees. It's always sunny. Attics are 5000 degrees (pick any scale). You walk in the yard and what was grass is now like walking on Rice Krispies. Of course everything has some moisture content but under these conditions enough to promote roof mold everywhere. Maybe it has something to do with the temp and humidity be the same most of the time - 95. > "Phil Scott" <philscott@philscott.net> wrote in > news:dtguus$e84$1 [quoted text clipped - 101 lines] > something to do with > the temp and humidity be the same most of the time - 95. here is the result of typing 'black mold' into a Google web tab search http://www.google.com/search?hl=en&q=Black+Mold+&btnG=Google+Search Read 10 or 20 of the links.. you will be a black mold expert... all molds or fungus's that are black are not necessarily black mold. Im not an expert on that. But for a time 4 years ago the HVAC trade mags had a lot of articles on mold and the liabilities and risks and causes, and how some contractors were being taken down for instance a leaking condensate drain creating conditions for black mold to grow... some were no doubt bankrupted. It was huge then... its quieted down a little now... but not a lot. Studying up yourself is what a person should do. As soon as you admit that you know about black mold though, and it can be shown that you were in a position to have seen it....and didnt say anything to the owner, buyer or tennants or whom ever... you become liable in many situations. If you say something to the owner in writing he becomes liable...if you keep it yourself he can claim later you didnt tell him and you become liable. etc. its touchy. so we have 'ignorance' now.... the perfect cover. How bad is it really? I dont know. Its probably been around for thousands of years... but maybe not. Its worth looking into. Phil Scott "Phil Scott" <philscott@philscott.net> wrote in news:dth4ma$fpr$1 @news.tdl.com: >> "Phil Scott" <philscott@philscott.net> wrote in >> news:dtguus$e84$1 [quoted text clipped - 139 lines] > > Phil Scott Thanks Phil but I ain't clicking those links no how. I have no black mold. I don't wanna know what it looks like. What color is it? :-) Nevermind, don't tell me. I read what you said about: > There are simple 'cures' for black mold on the market, > designed as palatives for those in denial or who dont want to > loose their property value...but its really not a solution... Just curious, bleach? Anyway, I was driving yesterday and I saw someone up power washing the roof? Washing off all that pollution I guess.I never saw anyone actually do it. I would think they washed away 5 years or so of life. Grit must come off. If what they washed off is related to the black mold being spoken of, must get tracked in the house to breed huh? >> I think mold grows on/in places other than a roof. > [quoted text clipped - 13 lines] > > I think this mess is very lethal It generally helps to know what the mess -is- before you start throwing around terms like "very lethal." If I went around deciding that things were very lethal without knowing what they are, they would consider me mad. > It generally helps to know what the mess -is- before you start throwing > around terms like "very lethal." If I went around deciding that things were > very lethal without knowing what they are, they would consider me mad. Would...? ;) R > anyone know what that black mess is on the north side of most roofs? > it looksk like black flour was spilt [quoted text clipped - 6 lines] >gets placed under the ridge of the roof. The rain washes over the exposed >zinc runs down the roof and kills the mold. Vic A. Bodnar Try this.. It works ok http://www.roofraider.com/ If you need a roof use any shingle with A/R. Timberline ultra's or Tamko. This mold will NOT kill you Joe > anyone know what that black mess is on the north side of most roofs? > it looksk like black flour was spilt > > is this mold? why is it on the north side of roofs > > Thanx > Try this.. It works ok > [quoted text clipped - 13 lines] >> >> Thanx > Try this.. It works ok Not trying to be a wise guy. How do you know it works and please expand on "OK". ====================== *Three ways to remove the stains from your roof after you have applied the product. 1) .... 2) Use a pressure washer. Be very careful not to damage the shingles. Keep tip 8-12 inch form shingles. 3) .... ====================== Maybe that dude I just mentioned in another article wasn't nuts? Using a pressure washer at any distance from shingles just doesn't seem right to me. Washing away years of service even with minor grit loss. I have used it and similar products. The only issue is the mold will return. It will clean the roof, for how long the roof will stay clean varies on the location. There is not much more to say after that, Joe >> Try this.. It works ok >> [quoted text clipped - 31 lines] > pressure washer at any distance from shingles just doesn't seem right to > me. Washing away years of service even with minor grit loss. "Rescue" <bigbadbarry@adelphia.net> wrote in news:1140528064.625610.74860 @g43g2000cwa.googlegroups.com: > anyone know what that black mess is on the north side of most roofs? > it looksk like black flour was spilt > > is this mold? why is it on the north side of roofs > > Thanx OK, it's alge, aka Gloeocapsa magma. Read here. Found other articles saying the same thing when Googling Gloeocapsa magma. <one continuous line with no blanks> http://www.askthebuilder.com/082 _Black_Algae_Stains_On_Asphalt_Shingles.shtml http://www.msbuilder.com/lib/ms053.shtml |
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