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Greenville SC Roof Cleaning (864)752-7073 wrote:

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So in the middle of the day when the roof is incredibly hot, the cleaner dries pretty quickly.  Do I need to continue wetting it down for the entire 45 minute dwell time?

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Hello Pat,

Its been my experience that its better to clean roofs in the morning until about 11 am or after 2-3 pm for that very reason.

Its too hot.

Continuing to put more cleaning agent on a HOT roof only costs you more money.

As far as DWELL time goes, are you rinsing? If so then dwell time is important.

If you have not done a roof yet and just let the chemical stay on the roof and be rinsed by Mother Nature then you are not really doing all you can for your customer.

By NOT leaving the cleaning mixture on the roof, i.e. the SH, TSP, Borax, and or Alcohol is not allowed to work as a treatment as well as a cleaning, an important aspect that should occur which allows the roof to stay cleaner, longer.

And by rinsing you are removing the cleaning agents before they have a chance to dry and crystallize on the roof surface, forming a hostile environment for the Gloeocapsa Magma (blue-green algae strain) and other mold, mildew, etc.

When this occurs, the rain only reactivates the chemical binding agents suspended in the crystals of salt and TSP and Borax which continues to keep the roof algae and stain free much longer than removing the treatment to soon after application.

As you know, when it is VERY HOT the roof is like the surface of an oven.

Like butter in a frying pan, the cleaning agent doesn't have time to work properly before it evaporates.

If you have to clean ANY roof DURING these peak sun and heat time frames always be sure to WET down the entire roof surface thoroughly with CLEAR WATER---

DO this BEFORE applying the Apple Sauce mix.

That way you are COOLING off the roof and prepping it to receive the LOVE you are about to give it . LOL

This will save your hard earned money spent on SH, and not have it go up in fumes.

Hope this helps you.

Keep safe with that SEVERE weather you are having up there.

All the Best,

David


-- Edited by Roof Clean USA Georgia 229-227-0000 on Tuesday 16th of June 2009 11:29:03 PM

-- Edited by Roof Clean USA Georgia 229-227-0000 on Tuesday 16th of June 2009 11:34:16 PM

That is a good point Gary of Roof Brite Of Florida.

The more LOVE you give a roof, the more the Groundsman has to water down the surrounding vegetation.