Remove Mold From Masonite Siding

Muriatic acid is available at your local hardware store.

Remove mold from masonite siding.

On average it costs over 3 000 to repaint the exterior of a home. Avoid metal fiber brushes they can damage the siding. Whether it s mold or mildew your siding is no place to have things growing. Using the high pressure spray nozzle attempt to remove as much dirt dust and grime as possible before cleaning with soap and water.

To remove mildew from wood siding hardi plan or stucco use the following solution. If the paint on the siding above masonry is chalking it washes down onto the masonry and stains the surface. It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth. In most cases you need to scrub the surface with a chemical cleaner.

1 quart household chlorine bleach must be fresh 3 quarts warm water. Step 2 scrub the hardboard siding. For efflorescence and other stubborn stains mix 1 cup of 10 percent muriatic acid in 1 gallon of water. Here is a quick instructional video on how to remove that mold mildew buildup you get on your siding and gutters.

Scrubbing the siding mold removal usually requires some scrubbing and the best tool to use is a stiff bristle natural fiber scrub brush. When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a. Brush or roll a layer of exterior primer on the flat portions of the masonite siding and use the tip of a paintbrush to work the primer into seams and crevices. Step 1 pre rinse the hardboard siding.

3 fit a caulking. Vinegar solution 30 vinegar to 70 water simple green. An alkaline cleaner such as washing soda or a cleaner containing trisodium phosphate can be added for extra cleaning. Because masonite repeatedly peels you are required to caulk and repaint multiple times to prevent rot and mold damage.

1 3 cup all purpose laundry detergent. Attach the high pressure spray nozzle to your garden or water hose and rinse the hardboard siding area that you wish to clean. I personally use jomax that i buy at lowes. If you repaint every three to seven years the costs will add up.

Scrub with moderate pressure being careful not to push too hard against the flexible vinyl which can break.