Efflorescence On Wood In Attic

Efflorescence develops on inorganic building materials like concrete and brick.

Efflorescence on wood in attic.

Rafters in the attic floor joists in the basement or. While mold can be these colors you know you are not looking at efflorescence if it is black gray green blue or pink. Another indication though imperfect is the presence of a mold smell. There is no efflorescence on the brick above or below the attic.

Efflorescence will only occur on concrete brick or other masonry structures. When the moisture carrying the salts reaches the surface the air causes the moisture to evaporate which then leaves a white crystalline type of powdery material or a. It often looks like mold but really it s caused by salt deposits. Mold on the other hand grows on organic materials such as wood.

Efflorescence on the other hand is almost always white or yellow. In order to tell if it is white mold or efflorescence mist the affected area with water. White mold is commonly found growing on wood surfaces. Before insulating our attic i would like to know if i should be concerned about a heavy white efflorescence on the bricks of the chimney in our attic.

Efflorescence is odorless while mold growth often produces a musty odor. When water seeps through concrete brick or stone it can leave behind salt deposits. When the water evaporates what remains is a white crystalline substance that resembles mold. Thanks in advance for your help.

Efflorescence is often described as dissolvable salts in moisture that are transported through porous materials such as concrete brick block and stone through capillary action. We live in a 1950 s two story home located in an area with low humidity warm summers very cold winters.