If you re using a pressure washer be careful not to damage the wood.
Block spots on pressure treated wood siding.
Cabot semi solid deck siding stains penetrate so deep into the wood.
Thoroughly clean the siding.
Besides it highlights the natural beauty in the wood s grain and texture with a distinct.
What a sealer does is helps that pressure treated lumber from weathering.
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.
The side of the house with the least sun exposure can be the worst spot with.
When the lumber weathers it turns a bad color it starts to shrink and starts to get cracks in it.
Mix 1 cup of bleach into 1 gallon of water.
With a garden hose and nozzle spray one section of the stained wood siding from the top down.
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.
If extra force is needed gently spray the siding with a pressure washer.
Though black mold is undesirable on rough sawn lumber it is neither particularly dangerous or difficult to remove in most cases.
Use a quality wood cleaner or if you have access to one a pressure washer.
Mold and mildew grow when the wood is wet and doesn t get a chance to dry often.
Cabot semi solid deck siding stains.
Bleach is one of the best solutions for removing black mold and mildew spots on your wooden decking.
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.
I don t know what the black spots are it could just be mildew or mold growing.
Sealer is not going to help that.
Don t go any higher than 1500 psi and use either a 25 or a 40 degree tip.
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.
Cedar siding looks beautiful when it s fresh and new but as the years go on it may become grungy dark and neglected.
Treated lumber is protected from many things including mold and mildew but that only means it will not penetrate the surface quickly.
This product is a linseed oil based stains that will give your projects a long lasting beauty as well as the much needed protection.
If the cleaning is successful continue with the rest of the siding.