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The nut holding the light housing in place in this combination exhaust fan/light can be unscrewed by hand

The nut holding the light housing in place in this combination exhaust fan/light can be unscrewed by hand
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The pier foundation that lifts this home above flood waters is visible in this photo taken before the skirt walls were added.

The pier foundation that lifts this home above flood waters is visible in this photo taken before the skirt walls were added.
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The pipe connections for faucets, dishwashers, garbage disposals, and other water using appliances can be a source of leaks.

The pipe connections for faucets, dishwashers, garbage disposals, and other water using appliances can be a source of leaks.
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The preferred method for fire sprinkler connection to municipal water with a standalone, wet sprinkler system.

The preferred method for fire sprinkler connection to municipal water with a standalone, wet sprinkler system.
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The recommended approach for groundwater management in cases where the foundation is entirely above the groundwater table.

The recommended approach for groundwater management in cases where the foundation is entirely above the groundwater table.
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The red piece in this detail is through-the-wall metal flashing; it is installed on the sheathing just above the capstone, with house wrap installed to lap down over it.

The red piece in this detail is through-the-wall metal flashing; it is installed on the sheathing just above the capstone, with house wrap installed to lap down over it.
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The retrofitted flat roof has PV panels and walking mats installed over the roofing membrane

The retrofitted flat roof has PV panels and walking mats installed over the roofing membrane
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The seams of the rigid insulation are not taped and it will not provide a complete capillary break

The seams of the rigid insulation are not taped and it will not provide a complete capillary break
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The sheathing has rotted because there was not a sufficient drainage gap behind the stucco cladding

The sheathing has rotted because there was not a sufficient drainage gap behind the stucco cladding
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The shower diverter in bath/shower combinations is one of the common sources of leaks in tub faucets.

The shower diverter in bath/shower combinations is one of the common sources of leaks in tub faucets.
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The steel drip edge flashing is easy to see above the fascia and just below the roofing along all of the roof edges of this home.

The steel drip edge flashing is easy to see above the fascia and just below the roofing along all of the roof edges of this home.
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The tape window flashing here is integrated with the roller-applied weather-resistant barrier.

The tape window flashing here is integrated with the roller-applied weather-resistant barrier.
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The top course of these concrete masonry unit (CMU) crawlspace foundation walls and piers is filled with grout then sprayed with a waterproofing membrane that acts as a capillary break and prevents moisture from migrating into the framing material.

The top course of these concrete masonry unit (CMU) crawlspace foundation walls and piers is filled with grout then sprayed with a waterproofing membrane that acts as a capillary break and prevents moisture from migrating into the framing material.
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The ventilation space in this vented over-roof keeps the roof cool to prevent ice dams over the unvented attic

The ventilation space in this vented over-roof keeps the roof cool to prevent ice dams over the unvented attic
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The volume of a home with a pitched roof an attic space can be calculated using height, width, length, and attic height dimensions.

The volume of a home with a pitched roof an attic space can be calculated using height, width, length, and attic height dimensions.
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The walls of this mixed-humid location home are constructed with moisture-resistant steel-framed expanded polystyrene R-34 wall panels that are designed to withstand winds up to 200 mph and level D seismic forces.

The walls of this mixed-humid location home are constructed with moisture-resistant steel-framed expanded polystyrene R-34 wall panels that are designed to withstand winds up to 200 mph and level D seismic forces.
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The water heater tank can drain to a floor drain (left) or the yard or curb drain (right).

The water heater tank can drain to a floor drain (left) or the yard or curb drain (right).
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The water-resistant barrier, weep screed, and stucco lathe are not properly layered

The water-resistant barrier, weep screed, and stucco lathe are not properly layered
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The water-resistant barrier, weep screed, and stucco lathe are properly layered and will create a complete drainage system

The water-resistant barrier, weep screed, and stucco lathe are properly layered and will create a complete drainage system
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The weep holes are properly cleaned out and the weeps properly installed

The weep holes are properly cleaned out and the weeps properly installed
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The weep holes are spaced at the correct distance to provide a complete drainage system

The weep holes are spaced at the correct distance to provide a complete drainage system
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The weep holes are spaced too far apart

The weep holes are spaced too far apart
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The weep holes were not properly cleaned before the weeps were installed

The weep holes were not properly cleaned before the weeps were installed
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The windows in this building are connected to the fully adhered water and air control layer using fluid-applied flashing

The windows in this building are connected to the fully adhered water and air control layer using fluid-applied flashing