D/2 Biological Solution - Stone Cleaner, Masonry, Gravestone, Headstone Cleaner as used on The White House - 0.946 Litres (1 US Quart)

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In 1965, the house was relocated to the grounds of Woodlawn Plantation (another Trust site), removing it from the path of a highway project. OPTION 1 = D/2 SOLUTION HANDS-FREE METHOD – What I’ve learned along the way…the first few stones I cleaned, I used D/2 only in a “hands-free” method – no pre-wetting of the stone and no scrubbing with brush+water. After just a few applications of this headstone cleaner solution, your headstone can look new again. And there for, they worry the product is interfering with wicking, water travel, and natural water displacement in and out of the stone. D/2 is a proven solution that has been successfully used to clean millions of buildings and monuments.

Families want to preserve the beauty and dignity of the headstone as much as possible, so they try to keep it clean. Most all cleaning that occurs on grave markers is to remove or kill biological growth such as lichens and moss. D/2 can be utilized to safely resolve this problem on all wood, stone, masonry, metal, vinyl, and roofing surfaces”. I hope these helpful hints will serve you well, and do follow up with links so we can see your progress and results! I’m posting personal photos below to prove that D/2 works, and I want to educate the public about this wonderful product.The Geogrid is then used to clip the underfloor heating too to secure the pipes before the screed is installed.

And the best way to combat this when it comes to grave markers is with the least invasive methods possible. What do you suggest if you don’t want the grave marker to be so white after cleaning/time - dilute it? Whether it is “do no harm” cleaners that are being compared with each other, or it is do no harm cleaners being compared to more harmful cleaners. It’s incredible to see the original color of some stones – once you remove the dirt, the colors can be bright and gorgeous, revealing details not seen in decades or centuries!A substance (such as an algicide or fungicide) that destroys or inhibits the growth or activity of living organisms. D/2 Biological Solution is effective and safe for a wide range of masonry and architectural surfaces, including render, coloured render, concrete, brick, cast stone, aluminium, vinyl sliding, canvas and wood. I used this product to clean my father-in-laws gravestone which i've planned on cleaning for months now but never got around to it.

The NCA entered into an agreement with the National Center for Preservation Technology and Training, NPS, to evaluate marble cleaners in an effort to minimize damage to historic headstones. D/2 is a nearly pH-neutral quaternary ammonium solution with surfactants that help carry surface contaminants away.We will continue to look for further information that will allow us a closer examination of this product. Your individual results will vary – climates and micro-climates can make a huge difference on several factors like length of time to clean, temperatures, local molds and bio-materials, amount of rain, etc.