As a powerwashing contractor, I see a lot of houses with mold and mildew overgrowth, oil stains on the concrete and brick driveways and even graffiti on the walls and fences. In this article, homeowners will learn a few simple tips for removing those ugly eyesores and improving the curb appeal of their houses -- using a high pressure washer and special products (some of which are common household products).
Removing Mold and Mildew Stains:
Your home looks great from the curb, but upon closer inspection, I bet you will find that some areas of your house have darkened or look dirty and green. Most likely, this is mold or mildew, which seems to grow on everything in humid climates. Mold and mildew spores feed on the build-up of dust and dirt on the outside of your home. I will show you an easy way to eliminate mold and mildew from exterior surfaces, however you must be aware that it will grow back, so annual maintenance is required.
Combine 3 parts water with 1 part household bleach in a pump type sprayer and apply to the siding. Allow it to sit for approximately 30 minutes. You can tell that it is working because the dark or dirty areas will disappear. Use a powerwasher to thoroughly clean the bleach solution away.
Tip: Vinyl siding can be permanently stained by mold or mildew if it is not removed regularly.
Removing Oil/Grease Stains from Concrete and Brick:
Rough-textured surfaces such as concrete and brick are porous, and can be easily stained. And while you may not be able to totally remove the stains, you can lessen their appearance using one of these solutions -- I can assure you that whatever stain is left, a few months of summer sun will fade it completely.
Cat Litter
As soon as you notice oil or grease stains, try using cat litter - I always have some available in my garage just for this purpose. The sooner you address the stain, the more likely you are to remove it. Pour a generous amount of a clay-formula cat litter on the stain, and then crush it with your foot. Make sure you cover the entire area. Allow the cat litter to absorb the oil for a minimum of 12 hours, and then sweep up the debris. If you can still see the stain, repeat the process. Once you feel you have removed as much of the oil as possible, powerwash the area clean.
Soap Detergent
Using soap detergent will work on new or old stains. Start by wetting the stain with water and then pouring a heavy-duty detergent/degreaser directly on the spot. Scrub the area with a stiff bristle brush, working in a circular motion. Leave the solution on the stain for at least 12 hours before hosing it clean. If you can still see the stain, repeat the process. Pressure washing will remove any soap residue.
Eximo Cleaner
If you have tried the above two options and still have a stain, try Eximo Cleaner. Its formula is designed to work its way deep down into the cracks and crevices of your concrete or brick to break-up the molecules of oil into harmless water and CO2, which can be easily washed away later. It may take 2 or 3 applications, but after a final powerwash, the area should be almost unnoticeable.
Tip: One way to avoid stains in the first place would be to seal the concrete or brick with a product made specifically for porous surfaces. My recommendations is to use a clear sealer which will keep your concrete and brick looking new longer and will save you time and money in the long run.
Removing Graffiti:
I've noticed that some locations are more prone to graffiti tagging than others. But wherever that happens, it's imperative that you deal with graffiti as soon as possible. You want to lessen the impact of the message and you want to get it off before it sets.
If the area affected is non-porous and the graffiti is new, you may get away with just powerwashing. But if the graffiti has been there awhile, or the surface is porous, you may need to use a product made specifically for graffiti removal, such as Taginator. The manufacturer's directions will tell you how to apply it and how long it needs to sit on the surface for it to be effective. Pressure washing the entire surface will ensure an even appearance when you are through.
Tip: I know from personal experience that some graffiti may not come off. Since this will require you to repaint, you will want to investigate paints that include anti-graffiti barrier ingredients.
Thanks To : Civil Engineering Rings Jewelry Sterling Silver Jewelry Pile Load Test
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