Method and apparatus for flood remediation

A wall of a building comprising:

• two vertical framing studs;
• a base plate under the two framing studs, the base plate and the two framing studs forming a bottom and two sides of a framing cavity;
• a cement board covering a portion of the framing cavity, wherein the lowest edge of the cement board is at least 1.0 inches above the top of the base plate and forms an air gap between the cement board and the base plate;
• and
• a sheet of rigid closed cell foam covering at least a portion of the framing cavity,
• wherein the lower edge of the sheet does not protrude into the air gap.

A method of drying a wall of a building after a flooding event, wherein the wall comprises:

• two vertical framing studs;
• a base plate under the two framing studs, the base plate and the two framing studs forming a bottom and two sides of a framing cavity;
• a cement board covering a portion of the framing cavity, wherein the lowest edge of the cement board is at least 1.0 inches above the top of the base plate and forms an air gap between the cement board and the base plate;
• closed cell spray foam applied in the framing cavity, wherein the foam comprises a vertical rut that begins at least one foot above the base plate and extends downwards at least 6.0 inches towards the base plate, and wherein said vertical rut guides air blown by the blower fan up into the framing cavity;
• and
• the method of drying comprising:
• providing a portable blower fan;
• and
• blowing air, using the portable blower fan, at the air gap.