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Advantage Roof Cleaning wrote:

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I'm still getting jobs and had three inquiries yesterday. Unfortunately we're going to have an arctic blast for a week with high temperatures in the 30s. Hopefully it will go back up into the 40s next week to squeeze out a few more jobs.

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 I hear some roof cleaners up north are using hot water pressure washers to warm the roofs up ?

Roof Cleaning Northern Virginia (571) 250 9650 wrote:

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There's no need to warm them up.  We knocked the frost off of another one just a few days ago.  Standard mix works just fine.  All you need is a little patience.

LIKE THIS

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 That's good to know Ted. 

Advantage Roof Cleaning wrote:

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I've been filling the tank with water the night before the jobs and warming it up with a heater. In fact, I just ordered a titanium 300 Watt fish tank heater which should heat up the mix more efficiently. Furthermore I bump up the SH between 40 and 50%. This has been working rather well in the colder weather so far.

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 Wow, a Titanium Heater! Titanium is one of the very few metals that is SH Proof! Let us all know how it works, and where to get one of these titanium heaters, and how much they cost.

Heating up the mix should help cold weather roof cleaning, especially if you can keep the mix warm!

Apple Roof Cleaning Tampa FL (813) 655-8777 wrote:

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Advantage Roof Cleaning wrote:

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I've been filling the tank with water the night before the jobs and warming it up with a heater. In fact, I just ordered a titanium 300 Watt fish tank heater which should heat up the mix more efficiently. Furthermore I bump up the SH between 40 and 50%. This has been working rather well in the colder weather so far.

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 Wow, a Titanium Heater! Titanium is one of the very few metals that is SH Proof! Let us all know how it works, and where to get one of these titanium heaters, and how much they cost.

Heating up the mix should help cold weather roof cleaning, especially if you can keep the mix warm!

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Here's a link to sever titanium heaters ranging from 300 to 1,000 watts ranging from $30 to $125.  You may need to copy and past the links...I tried to attach this as a link and it wasn't cooperating.

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=titanium+300+Watt+fish+tank+heater+

If this gives you even a couple of jobs, it's a great investment!