Common Building Practices Make Arizona Properties Susceptible To Mold

By Jason Wolfswinkel


People still believe the myth that mold damage is not an issue in dry places in the country such as is found in the desert areas of Arizona. A broad range of reasons proves this assumption to be untrue. Mold spores exist everywhere but require moisture to activate and begin growing. Although it seems intuitive that the lack of consistent rainfall limits mold growth in our Southwestern state, many other sources of water intrude into properties and cause mold to proliferate and damage the structure and contents of local homes and businesses.

With dryness often comes heat, and we have both in Arizona. Mold damage thrives in many temperatures, but it tends to favor the same levels as do humans while working, playing, and living inside. To counter the heat of our area, contractors pay particular attention to the weathertight character of doors and windows. They also choose materials for cladding and siding that maintain a barrier to the waves of often over-100 degree days typical of our summers, and not infrequent during the fall and spring.

When a property is watertight, the theory is climate control measures taken inside to make inhabitants more comfortable are used most economically and efficiently. Cooler, air-conditioned air remains in the interior while hot air does not encroach. Although it may be advantageous as far as the thermostat records, the lack of air movement permits the unwanted buildup of staleness and moisture.

Every time a shower is taken, the dishwasher and dryer are run, and even a delicious meal is cooked, water vapor enters the interior of your property. The sealed construction of many Arizona homes traps that moisture, leading to a higher risk of mold growth and damage. Humidity levels of over 60 percent alone contribute to mold growth, and if there are spills or condensation added to the mix, the threat of mold damage increases.

The HVAC systems cooling our homes and businesses lends themselves to mold issues if drains clog or condensation occurs as the AC and dehumidifier work. Because our buildings often feature flat roofs, any rain that does fall is more likely to find a way to leak inside as it pools on top. Usual building choices like frame stucco, particle board and drywall are all devised from cellulose, prone to soaking up water and providing exactly the type of nourishment needed for fungal growth.

If you fall victim to the hidden moisture threats in Arizona construction, you may struggle with mold damage. Finding a reputable mold remediation company that contains and removes the current infestation, and then investigates and plans strategies for effective moisture control to deter future problems is crucial to restoring and protecting your property.


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