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Presentation:

Building Science for Dry Climates 7 - Duct Testing and Leakage

Video:

Building with Indoor airPLUS

Image:

Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation

Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation
Image:

Burried and encapsulated ducts in a ceiling plane

Burried and encapsulated ducts in a ceiling plane
Case Study:

Calculating Design Heating Loads for Superinsulated Buildings, Ithaca NY

Image:

Carbon monoxide alarm

Carbon monoxide alarm
Image:

Cavity used for return is not insulated and is not air sealed, which will pull in air from outside

Cavity used for return is not insulated and is not air sealed, which will pull in air from outside
Image:

Cavity was not air sealed

Cavity was not air sealed
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Ceiling gypsum board has been installed

Ceiling gypsum board has been installed
Image:

Central ductwork systems for multifamily buildings include horizontal run outs with branches and take-offs connecting to air supply boots

Central ductwork systems for multifamily buildings include horizontal run outs with branches and take-offs connecting to air supply boots
Image:

Chase framing is completed and ready for drywall

Chase framing is completed and ready for drywall
Image:

Clean the dust off the duct board where the tape will be applied. Apply a robust amount of Foil-Scrim-Kraft (FSK) duct tape.

Clean the dust off the duct board where the tape will be applied. Apply a robust amount of Foil-Scrim-Kraft (FSK) duct tape.
Image:

Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.

Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.
Case Study:

Coastal Habitats

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Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off

Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off
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Common exhaust duct not shared by fans in separate dwellings

Common exhaust duct not shared by fans in separate dwellings
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Compact duct design layout

Compact duct design layout
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Compact duct layout example

Compact duct layout example
Presentation:

Complete Radon Mitigation

Complete Radon Mitigation
Video:

Conducting a Residential Duct Leakage Test and Blower Door Test: Duct blaster testing – Hooking up the duct blaster to the return register

Video:

Conducting a Residential Duct Leakage Test and Blower Door Test: Quick and easy set up of the blower door and determination of whole house air leakage

Video:

Conducting a Residential Duct Leakage Test and Blower Door Test: Sequencing - Run the blower door test first

Video:

Conducting a Residential Duct Leakage Test: Why set the Duct Fan to Depressurize not Pressurize the Home

Image:

Connect the plastic application tunnel from the injection equipment to the supply plenum.

Connect the plastic application tunnel from the injection equipment to the supply plenum.