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texasman21 07-11-2012 09:43 PM

Roof Cleaning
Was looking for options to cleaning my roof and i came across this product. From the reviews it looks good and not that hard to do. Has anyone used it or heard anything good or bad about it. If you have another option to cleaning the roof I'm all open to ideas just wanna make it look better than it does.

ktkelly 07-11-2012 11:11 PM

Don't know about that particular product, but here's some info for you:

Input from a roof cleaning professional:

There are a few schools of thought on how to properly clean a roof. Based upon my research, years in business and tried and true method, nothing is more effective than using sodium hypochlorite, more commonly known as bleach. With this chemical (applied at approximately a 6% solution with other surfactants) you do not have to rinse the roof at all. This mitigates all danger of damage from the use of pressure. Any pressure is too much. The difference will be instantaneous. After the first good rain, dead lichen and any remaining haze will be washed away leaving your roof looking nearly new.

Here is a common sense thought to add. Hire a professional. I am all for DIY and saving money but sodium hypochlorite will burn your skin and it can wreak havoc on lungs. It will also kill plant life and surrounding vegetation on contact. Professionals will use protective gear (respirators, safety harnesses, roof protectors on ladders, special climbing shoes, etc) as well as protect your landscaping from damage.

My additional advice:

Never get onto a wet shingle roof. It will be extremely slippery.

texasman21 07-12-2012 12:07 AM

Thanks for the input its greatly appreciated. I like doing things myself when I can but I think this might be better left up to the pros. Ill call around tomorrow and get some bids anything I should ask about their procedure. What is a reasonable price I'm expecting to be paying for this you think.

ktkelly 07-12-2012 01:14 PM

1. Will they provide you with copies of their Workers Comp Certificate.

2. Will they provide you with copies of their Liability Insurance.

3. Will the provide you with some local references.

4. Will they cover all plants, shrubs, grasses, etc, etc.

5. What's their Written Warranty.

6. Will they provide you with a Written Contract.

All that sort of thing.

Perhaps you could also have some zinc strips installed at the same time?

texasman21 07-12-2012 01:31 PM

What's the purpose of the zinc strips?

Windows on Wash 07-13-2012 05:55 AM

Rain water going over the zinc deposits the zinc on the roof surface and that zinc inhibits the growth of the algae.

ionized 07-13-2012 01:56 PM

Bleach is good. Bleach with wetting agent better. Best is both with TSP if you can still get it in your area. keeping the plants wet works great. I've washed a few roofs and houses and I've never seen any damage.

kiarajeckson 08-22-2012 11:44 PM

thanks for the post. I was looking for the same information. Somebody suggest me that we can also consult our roofing companies about cleaning of roof.

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