black spots on plastic deck

"Mold" is often used interchangeably with the word mildew. These are the generic terms that describe a variety of microorganisms, including fungi, algae, rusts, yeasts, and bacteria. Under a microscope, mold has an octopus-like structure. Its legs attach to a surface in a web-like manner. Once a mold has successfully 

All exterior building materials gets dirty and can develop biological growth stains, Green Plank deck is no different, it's important to clean it properly. The greenish discoloration you're seeing on the decking is probably not mildew, which is usually dark gray or black in color, and doesn't survive well in the open air. More likely 

The “maintenance free” builds mildew and black spots. What would Rinse the area completely with water to remove all of the deck wash and loose mold particles. There are bleach-free deck washes available as well (ex: Corte-Clean Composite Deck Cleaner) that will also remove mold from .

While composite decking is virtually maintenance free, it does require some cleaning from time to time. Corte-Clean is formulated specifically for composite decking. When combined with warm water, it breaks down mold, mildew, dirt, pollen and even barbecue stains. This cleaner works without bleach or other harmful 

No need for staining and the deck will never rot, splinter or have problems with bugs. But now you're ticked off. That beautiful, smooth composite decking has black marks all over it. Dark splotches that mar the pristine finish you paid for. Stains on the face of an expensive home improvement project. Your frustration and fury 

This product is by far the most ineffective stuff I have ever used on my composite deck. I applied the product twice to a dry surface (tried it both diluted and undiluted) directly on the black mold and it didn't even make a dent in it. I had far better results with the products sold by and Lowe's which 

Due to this fact, composite manufacturers generally clearly disclose that “mold & mildew” and or “fungus” can be an issue in their product literature. Even the newer generations of composites, commonly referred to as “Cap Stock”, which are generally made from PVC or are PVC wrapped state, “mold & mildew” and or 

DEAR TIM: I've got 1,500 square feet of lakefront boardwalk made from composite decking. The brand is Accents. It started developing black spots within two years of the install. I'm mad as heck about this as I thought I'd have a maintenance-free deck for life. I'm not able to get any help from the manufacturer nor the the 

Black Spots on Decking TIPS. NO composite deck is maintenance-free; Spots are mildew or mold and harmless to decking; Clean with Stain Solver organic oxygen bleach; Prevent spots with simple solution; CLICK HERE to Get Tim's FREE & FUNNY Newsletter! DEAR TIM: I have 1500 sq. ft. of lakefront boardwalk 

refuses to acknowledge that they have problems with mold and mildew. My deck is just over one year old and I have had it cleaned three times already with their recommended cleaner. Within 6 weeks the black spots come back and multiply. I had a pressure treated wood deck for 11 years and never 

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