Block Spots On Pressure Treated Wood Siding

The side of the house with the least sun exposure can be the worst spot with.

Block spots on pressure treated wood siding.

When the lumber weathers it turns a bad color it starts to shrink and starts to get cracks in it. If you re using a pressure washer be careful not to damage the wood. This product is a linseed oil based stains that will give your projects a long lasting beauty as well as the much needed protection. Over a long period of time if the mold is left on the treated lumber it will eventually work its way into the grain of the wood.

Don t go any higher than 1500 psi and use either a 25 or a 40 degree tip. Use a quality wood cleaner or if you have access to one a pressure washer. Cedar siding looks beautiful when it s fresh and new but as the years go on it may become grungy dark and neglected. The best stains should last three to five years on a deck and even longer if applied to siding or fences which don t get as much abuse.

Besides it highlights the natural beauty in the wood s grain and texture with a distinct. Cabot semi solid deck siding stains penetrate so deep into the wood. If extra force is needed gently spray the siding with a pressure washer. What a sealer does is helps that pressure treated lumber from weathering.

Sealer is not going to help that. Though black mold is undesirable on rough sawn lumber it is neither particularly dangerous or difficult to remove in most cases. If the cleaning is successful continue with the rest of the siding. At the first sign of mold flat black or green spots or mildew grayish white powdery looking splotches look for a cleaner containing mildewcide available in a premixed formula or as liquid.

Mix 1 cup of bleach into 1 gallon of water. Black mold can be an irritant for people with certain allergies and people with severe allergies can be made very sick by being in close proximity to black mold spores. Mold and mildew grow when the wood is wet and doesn t get a chance to dry often. Dip a scrub brush into the solution and spread it over the deck.

Thoroughly clean the siding. I don t know what the black spots are it could just be mildew or mold growing. Bleach is one of the best solutions for removing black mold and mildew spots on your wooden decking. Treated lumber is protected from many things including mold and mildew but that only means it will not penetrate the surface quickly.

The sun and water beat down on a deck snow can pile up.