Efflorescence On Fiber Cement Siding

Any material containing portland cement results in efflorescence.

Efflorescence on fiber cement siding.

Do not allow soap or cleaners to dry on the siding. James hardie 12 in x 144 in hz5 hardieplank cedarmill fiber cement lap siding. After the efflorescence is removed the siding will need to dry before a new coat of waterproof primer and paint can be applied. For pricing and availability.

Efflorescence is a fact of life with most types of concrete stucco and masonry. Each of these materials is very porous and will absorb any moisture they come in contact with. The most usual reaction occurs when calcium hydroxide lime formed in the hydration reaction of portland cement approximately 140 pounds per cubic yard of concrete is transported by water to the surface through capillaries in the concrete. However brushes and rollers may make it difficult to cover.

Grab your soft cloth and saturate it with soapy water. There it combines with carbon dioxide. You may or may not have heard of it but fiber cement siding has actually been around for more than a century. What paint method is best for fiber cement siding.

Invented in austria in 1901 and originally marketed under the name eternit which spoke to its long lasting nature fiber cement siding first gained popularity in australia as a way to protect homes from that country s heavy brushfires. If efflorescence occurs it can be remedied with the techniques previously described. The good news is that primer and paint can be applied to fiber cement siding by brush roller or sprayer. Lp smartside trim and lap siding comes in 16 lengths vs.

Lp smartside siding products are more resistant than fiber cement products to impact damage from common projectiles such as golf balls baseballs and rocks. James hardie 12 in x 144 in hz10 hardieplank cedarmill fiber cement lap siding. Efflorescence has been a problem for fiber cement siding manufacturers for many years. Unlike fiber cement engineered wood siding will not effloresce.

Fiber cement s shorter 12 lengths often resulting in fewer seams or joints on your structure. Weatherside fiber cement siding is the 1 and weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles. Clean the stained siding while rinsing your cloth frequently. It s also good to know efflorescence does not harm fiber cement siding structurally nor is the siding hurt by proper surface cleaning.

Once the siding is completely sudsed up use a garden hose to rinse the area.