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Dry floodproofing three main design strategies

Dry floodproofing three main design strategies
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Drywall is installed above the spacer board and drywall or another sheet good is installed below the spacer board to provide an air barrier on the exterior wall below the steps

Drywall is installed above the spacer board and drywall or another sheet good is installed below the spacer board to provide an air barrier on the exterior wall below the steps
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Drywall was removed and the existing 2x4 walls were filled with 3.5 inches of dense-packed cellulose. Outside, the ½-inch plywood was topped with house wrap, 1.5 inches closed-cell rigid foam, 1x3 furring strips, and fiber cement siding.

Drywall was removed and the existing 2x4 walls were filled with 3.5 inches of dense-packed cellulose. Outside, the ½-inch plywood was topped with house wrap, 1.5 inches closed-cell rigid foam, 1x3 furring strips, and fiber cement siding.
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Duct pressure is checked at key locations such as individual bath exhaust registers to ensure there is even pressure distribution in a duct system during a duct leakage test

Duct pressure is checked at key locations such as individual bath exhaust registers to ensure there is even pressure distribution in a duct system during a duct leakage test
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Duct pressure is checked at terminal registers to ensure there is even pressure distribution in a duct system during a duct leakage test

Duct pressure is checked at terminal registers to ensure there is even pressure distribution in a duct system during a duct leakage test
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Ducts should not be located in exterior wall cavities

Ducts should not be located in exterior wall cavities
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Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 1 of 2.

Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 1 of 2.
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Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 2 of 2.

Durability concerns on a house continuously sheathed with a proprietary fiber structural panel used as bracing. Photo 2 of 2.
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Durable masonry walls provide resistance to high winds.

Durable masonry walls provide resistance to high winds.
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Each floor of this two-story modular home is constructed in a factory, including the 2x6, 24-inch on-center walls, R-21 fiberglass batt cavity insulation, and rigid exterior foam, housewrap, windows, and trim, then connected on site.

Each floor of this two-story modular home is constructed in a factory, including the 2x6, 24-inch on-center walls, R-21 fiberglass batt cavity insulation, and rigid exterior foam, housewrap, windows, and trim, then connected on site.
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East- and west-facing walls receive significantly more sun than north- and south-facing walls in the summertime

East- and west-facing walls receive significantly more sun than north- and south-facing walls in the summertime
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Easy access

Easy access
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Efficient Lateral Load Resisting Systems for Low Rise Buildings

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End conditions for braced wall lines with continuous sheathing, Figure R602.10.7 in the IRC

End conditions for braced wall lines with continuous sheathing, Figure R602.10.7 in the IRC
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End wall failure under hurricane force winds due to inadequate bracing of the gable end wall.

End wall failure under hurricane force winds due to inadequate bracing of the gable end wall.
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Ensure that planter boxes have a water-proof backing that separates them from the wall to prevent moisture damage and water intrusion into the wall behind them.

Ensure that planter boxes have a water-proof backing that separates them from the wall to prevent moisture damage and water intrusion into the wall behind them.
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Equipment needed to pressure test the airtightness of walls separating the house from an attached garage

Equipment needed to pressure test the airtightness of walls separating the house from an attached garage
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Example A of a gable truss and gable end wall bracing for a home in a hurricane region

Example A of a gable truss and gable end wall bracing for a home in a hurricane region
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Example B of a gable truss and gable end wall bracing for a home in a hurricane region

Example B of a gable truss and gable end wall bracing for a home in a hurricane region
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Example calculation of the leakage allowance for a duct leakage test at final for a ventilation system in a multifamily building

Example calculation of the leakage allowance for a duct leakage test at final for a ventilation system in a multifamily building
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Example calculation of the leakage allowance for a duct leakage test at rough-in for a ventilation system in a multifamily building

Example calculation of the leakage allowance for a duct leakage test at rough-in for a ventilation system in a multifamily building
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Example calculations for converting measured leakage airflow and leakage allowance when measured at a pressure other than the design or operating pressure

Example calculations for converting measured leakage airflow and leakage allowance when measured at a pressure other than the design or operating pressure
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Example calculations for converting total airflow and leakage allowance when measured at 50 Pa instead of the design or operating pressure

Example calculations for converting total airflow and leakage allowance when measured at 50 Pa instead of the design or operating pressure
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Example calculations for leakage allowance when testing only a portion of the ducts in a central exhaust system

Example calculations for leakage allowance when testing only a portion of the ducts in a central exhaust system