Approximately 55 percent of homeowners express concern about mold, according to a 2005 survey by CertainTeed. For builders, mold can translate into costly and time-consuming callbacks for remediation, particularly if mold is found in the drywall. With news about the dangers of mold spreading, innovative manufacturers have launched mold-resistant gypsum products.
On the longest unprotected border in the world, a war of wood and words has been waging for years over softwood lumber imports into the U.S. An April agreement has calmed the situation, but neither side is particularly pleased with the compromise, and builders still worry.