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Date: Nov 20, 2009
RE: New roof moss cleaning video
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Has anyone in the north west ever tried the Apple Sauce, Apple Cider Sauce or Apple Cider on roofs with really heavy moss problems? We don't have moss problems that are even close to that around here.

The worst moss problem that I have encountered was in the following picture. I sprayed it with Apple Sauce and did not rinse. I called the customer after a few weeks and he said the moss had completely come off. I did finally get out there to take a few after pictures. Every roof section had problems similar to this. It did a perfect job on the moss without any brushing or rinsing.

Brian

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Guest

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Date: Nov 23, 2009
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Killer Moss I tell you furious Great job on the 30sec video.
I wish we could spray and go like the midwestern and southern boys. I was in Indiana last week. I saw $$$ when driving buy all the houses with black streaks.

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Guest

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Date: Nov 23, 2009
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Zinc is for killing and prevention of new moss/lichen growth. SH is for everything else.

Depending the type of moss, it can still adhere to a roof quite well even after it has turned brown and dead. Brushing has to be done at times as Tim explained.





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Guest

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Date: Nov 23, 2009
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Great Job. Looks like you missed the chimney thoughsmile

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Date: Aug 19, 2010
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jetcity wrote:

Great Job. Looks like you missed the chimney thoughsmile




That's what I was thinking..lol



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self-deleted member

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Date: Feb 29, 2012
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YES I am in the Northwest, YES Ive tried the Applesauce recipe.

Heres what roof cleaning in Seattle is about: Customers call us out here when their roofs look like their gardens. Moss growth of 2" covering 30% of the roof is the rule not the exception.

We arent getting calls over aesthetics, we are getting calls from people who are seeing their roofs grow trees. They realize that something isnt right and that this is just not looking good, they deep down know they are going to have to replace that roof if they arent careful or do something, SOON.

The applesauce merely creates a wet mess-picture living in a sauna like enviroment where 40 degrees is normal and rain at anytime is expective. You cover that roof with "sauce" you literally see a sea of white moss spores being NUKED.

Ive had roofs where you didnt see that much moss, get sprayed and turn completely WHITE. White is the color of dead moss.

Without brushing that customer is not happy. My procedure is to brush any large moss areas off and then spray it with sauce to kill the tiny spore seeds left over, the sauce also works wonders on streaks and stains.

The ideal situation would be to wait for summer, so that the wet moss that was sprayed with sauce can dry out and die off and go down their gutters.

Done in the cold months here (from September till March) roof cleaning is more about an emergency then about cleaning, most customers have come thru Home Owners Insurance threatening to cut them off.

I left one job for 3 weeks and saw balls of moss still on the roof 3 weeks later. Sure it was dead but the customer called back complaining that we had had much rain and it still wasnt washed off. I explained that the sun needed to dry out that moss so that it could blow away , which is exactly the case. We get 70 days of sun here a year so it sometimes takes along azz time.

The video on this thread is EXACTLY what I do. During the winter. By adding the love you can see that moss being killed on sight, it goes from green to some popcorn looking chit.

 

 

 



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Date: Feb 29, 2012
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Thinking about a formula, I could just spray on and be sure that all the moss was going to die, maybe zinc sulfate mixed with water at 8oz/gallon, this would be for prevention and moss removal and Id sell a cleaning with "sauce" for the looks.

Any suggestions on mixes?

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Date: Feb 29, 2012
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I think you are going to set yourself up for some trouble. When moss is white, it is dead. Brushing it will cause damage to the shingles. Proper explanation to the HO, along with the time frame is what is needed. If you still want to brush, just use a pressure washer and destroy the shingles the righr way. No need wasting time brushing.  no

Gary



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Date: Feb 29, 2012
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garyw wrote:

I think you are going to set yourself up for some trouble. When moss is white, it is dead. Brushing it will cause damage to the shingles. Proper explanation to the HO, along with the time frame is what is needed. If you still want to brush, just use a pressure washer and destroy the shingles the righr way. No need wasting time brushing.  no

Gary


 I'm sorry but thats the funniet thing i've read all day. wink



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Date: Feb 29, 2012
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Agreed. I brushed a roof once that was dropping granules by the boatload, the older the roof the more granule loss, also lighter color shingles tend to lose alot of granule with mechanical brushing.

However this was BEFORE  I started lurking on here.  

The thing is the customer just doesnt take lightly the fact that they dropped 300-400 on a roof cleaning and they still have moss either dead or alive on there.

Also I am quite surprised by the resilency moss shows in staying put, as I said in my previous post I sprayed a house with sauce and came back 3 weeks later and there was STILL moss on there.

The roots of the moss out here hang to shingles like a drowning man to a life raft. I kid you not.

Any thoughts on why, the sauce isnt actively loosening the moss from the shingles?

To have days and days on end of rain and still have the moss clinging. You suggest no brushing-its doubtful any consumer would like to wait that 3-4 weeks for the effective to show.

Ive read quite a bit on here about roof cleaners making promises for future results and how that is not the "way to advertise" as a member of RCIA.



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Date: Feb 29, 2012
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The reason the moss hangs on is because its roots have grown into the shingle. Brushing the roof causes damage and will cause premature  failure and needs to  be explained to the HO. If they want immediate results explain that damamge will occur, .and ask why they are in such a hurry now when the stuff has been growing on their roof for 3-4 years and they did nothing about it. Sometimes you need to educate the HO and explain their stupidity.

Gary



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Date: Feb 29, 2012
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I have cleaned many roofs with heavy lichen and moss and three weeks is just not enough time for it all to come off. You really have to explain that the heavier the growth the longer it will take to let go, yes it could take six to eight weeks. I have explained it over and over and they still call after two or three weeks and I just reassure them and thats it. You know your area better then I do, but I would never brush it off even after three weeks. If you make it part of your package I would not do it before six weeks and payment would be half now half on completion. Like Gary stated you have to educate them, yes your paying me $400 now and this is the process and if nessacary after eight weeks or so if you need to return you will. Once you " Train/teach " them it makes your world easier.

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Garyw wrote"

and ask why they are in such a hurry now when the stuff has been growing on their roof for 3-4 years"?


As I explained earlier roof cleaning in this area is about NEED. A formal letter has been sent out by the homeowners insurance company stating that moss needs removed for the plan to continue. The people Ive dealt with are looking at losing and reinstating homeowners insurance.

Another reason they get their roofs cleaned is because a pending sale has been held up due to a home inspection report-asking for a 5 year certification due to moss overgrowth. They "sellers" get it cleaned due to a call out on inspection report.

Yeah, they shouldnt have waited till the situation was dire, but thats the way it works out here in Seattle, Roof Cleaners are called out of necessity, by the VAST majority of consumers. I have found a few home owners who know about maintaining a home and doing periodic maintenance-but thats the exception.

Not arguing on what and what shouldnt be done just stating business practices out here in the rainy state. If we had more then 70 days a year of sun it wouldnt be an issue, I dropped sauce on roofs during the summer and came back 3 days later to the stuff falling off almost completely. The sun really works magic on a moss problem thats been sprayed.

Its the wet moisture that keeps the roots clinging. I kid you not I went to a house once that had moss 6 inches thick from one end to the other, lol.

I need to keep a camera on me for times like that......

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The camera is big. Insurance companys here do not request an imediate " moss free " roof. I explain the process to the HO,they inform the Ins. Co. and they have no problem with it. They just want to see the reciept showing it was treated, they don't mind the wait and the Ho keeps the ins. coverage.

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Date: Feb 29, 2012
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Sounds like you also need to educate the Real Estate people who are listing these homes for sale with mossy roofs. Don't those fools realize their commission is also held up til the moss goes away? Education is the key to your success.

Gary 



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Date: Mar 3, 2013
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I've cleaned 100's of roofs here in NY with heavy moss, 10% of our jobs the moss covers 70-80% of the roof. (somewhere I have a picture of me with a putter and golf ball practice my short game ) I agree killing it first helps big time, for the worst cases we will make 2 visits weeks apart 1st time to spray it down and kill it an the second to help blow off the dead chunks, we use leaf blowers, pwashers toned down to 40 psi 45 degree tips and a lot of times just a garden hose. We found once its dead and has time to dry 80%+ comes right up with zero damage. Then we respay with SH and in a few more weeks looks 100%. Anyone who says just spray and wait a few weeks has never dealt with moss or heavy lichens.. I have a test house we sprayed 2 seasons ago and it still has pure white lichens still attached, its Just a few but some are still there... I agree pressure is horrible for roofs, we need to treat the moss problem and use some meathod to assist in the process or it will never look good

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Date: Mar 3, 2013
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Tyler,

I've attached some photos of a home in Pocono Pines we serviced last year. The entire roof was covered with black algae, heavy moss and lichen. We used our proven method to professionally, safely and effectively remove all three. The after photos are from the same day and within a month mother nature rinsed off the balance.



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Date: Mar 4, 2013
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I didnt read the whole thread.

I have been wanting to get a tripod and set a camera up and do the thing where a whole roof gets cleaned in a mater of min. vid! Good job on that!!!

The moss here in Maryland... It seems we have 2 kinds. I cant tell by looking at it. Some moss doesnt have a strong rooting structure. And some does. You can litterally brush it off with a push broom. No joke. Then spray the roof with cider.

I guess the way to tell is to see if you can just pick one up.

I havent mentioned this or took pics because it kinda goes against RCIA stuff. But it is very true.

Some moss can be brushed off with out granule loss.

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If moss doesn't remove itself with my low pressure pump I leave the moss for mother nature to handle. It always comes of once it decomposes and dries out. I make sure all customers know that moss and especially lichen can take upwards of 5 months to come off. It gets real bad here. If they aren't ok with that then I move on. The last thing I would ever want is to damage someone's roof, and I never have.

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A to Z wrote:

If moss doesn't remove itself with my low pressure pump I leave the moss for mother nature to handle. It always comes of once it decomposes and dries out. I make sure all customers know that moss and especially lichen can take upwards of 5 months to come off. It gets real bad here. If they aren't ok with that then I move on. The last thing I would ever want is to damage someone's roof, and I never have.


 I agree with you Zach, if it doesn't come off during the spraying process, I won't, pick, scrape or brush it off.  I have it listed in my contract that it may take 90 + days for the moss to be washed off and sometimes longer for lichen.  I've never had any problems with using this approach. 



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