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yea i will have someone to help with that,how thick do i need it to be,or do i need it to be just thick enough but not to have much run off?
thanks again 

i order the 12 volt 5850 pump from pressure tek.

i am thinking of going with apple sauce,the roof is not to steep,walkable,and battery duralast

Make sure you have a dry day, don't spray during damp morning hours. How long it sits can vary, temperature and how bad the problem is,...are probably the two determining factors. Don't be surprised if you have to spray really black areas 2-3 times, sometimes this stuff can be a bear to burn through, especially on a steep pitch. Figure anywhere up to 30 minutes for the product to work thoroughly. I catch myself spraying more product than necessary sometimes simply because I didn't give the first round sufficient time to work, even though I know better!! I've been going to therapy to try and resolve this issue, Ha Ha. Are you rinsing?

Jeff

Yeah, good answer Jeff. If you want a faster more specific answer to your questions, give us a call.

Sometimes typing back and forth takes too long to find out all the details.

thanks jeff

and no i was not planning on rinsing,just because everyone on here says not to,and to let it work better,i am up for anything,what ever i need to do i will,thanks again

Good, use original, not anti-bacterial.

Instead of borax, for a 40 gallon mix, use 2 quarts of isopropol alcohol from Walmart.  You can cut your TSP down to 2 ounces/gallon when using alcohol.

See APPLE CIDER SAUCE thread.

100 gallon mix use 1 gallon of alcohol.

In 40 gallons of mix, a walkable roof,
with 5 lbs. TSP, 64 oz. alcohol, 12-24 ounces of dawn is plenty,

Like Jeff said, lots of factors will depend on your mix, how long to dwell, reapply, etc.

You'll get the hang of it with experience.



-- Edited by Mike Sullivan at 16:38, 2009-02-19

Sure buddy, you can call whenever you want. I'll have my cell phone on me.

-- Edited by Mike Sullivan at 16:33, 2009-02-19

Excellent! Glad to hear. It makes me feel good to know I made a difference in your work.

How big was the roof?  How many gallons did it take?

-- Edited by Mike Sullivan at 16:27, 2009-02-20