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To attach the flex duct to a main trunk duct or any other connection, the flex duct is pulled over the connecting collar at least 2 inches past the raised bead, then the insulation is pulled back

To attach the flex duct to a main trunk duct or any other connection, the flex duct is pulled over the connecting collar at least 2 inches past the raised bead, then the insulation is pulled back
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To avoid leakage if the hip or ridge shingles blow off, the underlayment should be lapped over the hip and ridge, unless there is a ridge vent.

To avoid leakage if the hip or ridge shingles blow off, the underlayment should be lapped over the hip and ridge, unless there is a ridge vent.
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To control surface water, the land should slope away from the building on all sides

To control surface water, the land should slope away from the building on all sides
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Tornado, Hurricane, and Earthquake Risk Profile of 379 U.S. Urban Areas

Tornado, Hurricane, and Earthquake Risk Profile of 379 U.S. Urban Areas
Video:

Total Duct Leakage Tests

Video:

True or False: New construction can contribute to flooding.

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Two L-brackets or seismic snubbers are installed at each corner of the HVAC unit and a vibration isolator or spring mount is installed in each corner to anchor the unit while allowing for slight movement in an earthquake

Two L-brackets or seismic snubbers are installed at each corner of the HVAC unit and a vibration isolator or spring mount is installed in each corner to anchor the unit while allowing for slight movement in an earthquake
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Two pieces of flex duct are spliced together with a metal sleeve, nylon draw bands, mastic, metal tape, and more mastic

Two pieces of flex duct are spliced together with a metal sleeve, nylon draw bands, mastic, metal tape, and more mastic
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Typical coaxial coil (liquid-to-refrigerant heat exchanger) used in a ground-source heat pump

Typical coaxial coil (liquid-to-refrigerant heat exchanger) used in a ground-source heat pump
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Typical EIFS assemblies over wood framing and over concrete.

Typical EIFS assemblies over wood framing and over concrete.
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Typical ground-source plumbed system

Typical ground-source plumbed system
Video:

University of Minnesota-NorthernSTAR: A Natural Gas-Fired Combi System for Space Heating and Hot Water

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Use only Underwriters Laboratory UL-181 approved tape

Use only Underwriters Laboratory UL-181 approved tape
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Use proper lapping of siding to keep water flowing down and out of walls.

Use proper lapping of siding to keep water flowing down and out of walls.
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Use the dust brush attachment on your vacuum cleaner to clean the air filters of your heat pump water heater

Use the dust brush attachment on your vacuum cleaner to clean the air filters of your heat pump water heater
Presentation:

Variable Capacity Comfort Systems and Smart Ventilation Systems in High-Performance Homes

Variable Capacity Comfort Systems and Smart Ventilation Systems in High-Performance Homes
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Variation of maximum negative main wind force resisting system (MWFRS) pressures based on envelope procedures for low-rise buildings.

Variation of maximum negative main wind force resisting system (MWFRS) pressures based on envelope procedures for low-rise buildings.
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Vented Attic vs Unvented Cathedral Attic Air Flow

Vented Attic vs Unvented Cathedral Attic Air Flow
Case Study:

Veridian Homes: Cold Climate Region 40+% Energy Savings

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Vertical (buoyant) flood force; buoyancy forces are drastically reduced for open foundations (piles or piers).

Vertical (buoyant) flood force; buoyancy forces are drastically reduced for open foundations (piles or piers).
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Wall top plate-to-wall stud metal connector.

Wall top plate-to-wall stud metal connector.
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Water depth versus wave height, and water depth versus breaking wave force against, a vertical wall.

Water depth versus wave height, and water depth versus breaking wave force against, a vertical wall.
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Water heater is elevated to a new location above the Base Flood Elevation

Water heater is elevated to a new location above the Base Flood Elevation
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Wave scour at a single vertical foundation member (pile), with and without underlying scour-resistant stratum.

Wave scour at a single vertical foundation member (pile), with and without underlying scour-resistant stratum.