The sun and water beat down on a deck snow can pile up.
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.
I don t know what the black spots are it could just be mildew or mold growing.
Thoroughly clean 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.
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.
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.
Sealer is not going to help that.
Treated lumber is protected from many things including mold and mildew but that only means it will not penetrate the surface quickly.
Though black mold is undesirable on rough sawn lumber it is neither particularly dangerous or difficult to remove in most cases.
Cedar siding looks beautiful when it s fresh and new but as the years go on it may become grungy dark and neglected.
Use a quality wood cleaner or if you have access to one a pressure washer.
If the cleaning is successful continue with the rest of the siding.
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.
Cabot semi solid deck siding stains.
What a sealer does is helps that pressure treated lumber from weathering.
Dip a scrub brush into the solution and spread it over the deck.
Depending on the wood and the treatment this could take anywhere from weeks to.
With a garden hose and nozzle spray one section of the stained wood siding from the top down.
Bleach is one of the best solutions for removing black mold and mildew spots on your wooden decking.
Besides it highlights the natural beauty in the wood s grain and texture with a distinct.
This product is a linseed oil based stains that will give your projects a long lasting beauty as well as the much needed protection.
The side of the house with the least sun exposure can be the worst spot with.
Mold and mildew grow when the wood is wet and doesn t get a chance to dry often.
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.
