Many people with allergies often have more than one type of allergy. The most common indoor/outdoor allergy triggers are: tree, grass and weed pollen, mold spores, dust mites, cockroaches, and cat, dog and rodent dander. In 2012, 17.6 million adults and 6.6 million children had hay fever.8.
Typical costs: 1  Stucco installation runs around $6-$9 a square foot, or about $12,000-$18,000 for a 2,000-square-foot exterior of a 3-bedroom home, depending on the complexity of the project, the location and the local economy.
1 The price of retaining wall construction can depend on several factors. 2  The main difference in the price can be due to the type of material that will be used to build the wall. 3  On average, a professional contractor is going to charge anywhere from $17 to $35 per square face foot. A retaining wall that uses a material such as wood rather than brick can cost anywhere from $19 to $30 per square face foot for a professional laborer to come in. 2  Higher quality stone can cost upwards of $40 per square face foot.