The value of installed wallboard in residential construction in North America in 2008 exceeded $35 billion. Of that total, approximately 20% ($7 billion) was wallboard material cost.
In 2008, North American residential construction accounted for over $500 billion in total spending and accounted for approximately 45% of total North American construction direct spending.
Each new home built creates (through jobs) $231,000 of economic income and $89,000 of tax revenue.
Material and labor cost to drywall a typical house accounts for approximately 10% of the home’s total construction cost.
The average new one-family home contains 2,519 square feet of floor area
On average, a single-family house incorporates approximately 8,500 to 9,000 square feet of gypsum board, or about 200 sheets of 4×12 foot board.
If your home was constructed or renovated with new drywall since 2001, and the drywall was imported from China, there is a possibility that excess sulphur in the makeup of the Gypsum in that drywall can cause corrosion problems in the home.
This include corrosion of exposed copper coils in Air Conditioning, the copper in electrical cable and fittings, chrome plating in bathrooms and blackening of mirrors.