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Residential Energy <br /> Page 3 of 3 <br /> Spray-applied interior insulation. Spray-applied interior <br /> insulation shall comply with the following as applicable: Unfaced fiberglass batt interior insulation. Unfaced <br /> fiberglass batt interior shall comply with the following: <br /> 1. Closed cell polyurethane. <br /> a. Sprayed directly onto the foundation wall 1. Waterproofing shall be applied to the entire inside <br /> surface. There must be a one-inch minimum surface of the foundation wall. <br /> gap between the foundation wall surface and 2. The top and bottom plates must be air sealed to <br /> any framing. the foundation wall surface and the basement <br /> b. The insulation shall not be penetrated by the floor. <br /> placement of utilities. 3. In addition, an air barrier material and vapor <br /> c. Through penetrations shall be sealed. retarder material with a minimum permeance of a <br /> 2. One-half pound free rise open cell foam. least 1, shall be installed on the warm-in-winter <br /> a. Sprayed directly onto the foundation wall side of the foundation insulation. <br /> surface. There must be a one-inch minimum a. Air sealed to the framing with construction <br /> gap between the foundation wall surface and adhesive or equivalent at the top and bottom <br /> any framing. plates and where the adjacent wall is <br /> b. The insulation shall not be penetrated by the insulated; <br /> placement of utilities. b. Air sealed utility boxes and other penetrations; <br /> c. Through penetrations shall be sealed. and <br /> c. All seams shall be overlapped at least six <br /> Semi-rigid interior insulation. Semi-rigid interior inches and sealed with compatible sealing <br /> insulation shall comply with the following: tape or equivalent. <br /> 4. Up to R-13 batts are allowed. <br /> 1. A maximum permeance of 1.1 per inch. Foundation wall insulation performance option. Shall <br /> 2. Must have a minimum density of 1.3 pcf and have be designed by a license engineer. <br /> a fungal resistance: <br /> a. Must be in contact with the foundation wall <br /> surface; <br /> b. Vertical edges shall be sealed with acoustic <br /> sealant; <br /> c. All interior joints, edges and penetrations shall <br /> be sealed against air and water vapor <br /> penetration; �/: <br /> d. Horizontally continuous acoustic sealant shall <br /> be applied between the foundation wall and <br /> the insulation at the top of the foundation wall; <br /> and <br /> e. Horizontally continuous sealant shall be <br /> applied between the basement floor and <br /> bottom insulation edge. <br />