Blower door


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Blower door

A large fan placed in an exterior doorway to pressurize or depressurize a building to determine its air leakage rate expressed in air changes per hour or cubic feet per minute.
References in periodicals archive ?
a blower door test is to be carried out after completion of the work.
Weaver said that one provision requires new homes to pass what he refers to as the "blower door test," which is designed to find leaks.
After filling its exhibit with hands-on product demos, the company used an Instagram Meetup to promote its first "Huber Engineered Woods Best of Social Awards." The awards appealed to influencers with humorous and industry-related categories including Blower Door Test Overachiever, Flashiest Flashing and Most Spirited Framing.
These key players provide various services such as air sealing, insulating of attic and walls, installing energy star windows and doors, duct testing and sealing, home energy audits, blower door testing, furnace and water heater safety test, sealing air leaks, Provide information about maintenance and energy conservation and many other services.
A blower door test was performed at the end of construction as part of the commissioning process to validate the actual infiltration rate, which turned out to be 0.08 cfm/[ft.sup.2] (0.41 L/s x [m.sup.2]).
"If you can do a blower door test, it will indicate how tight your building is.
While renovating the Portsmouth property Eco Sound performed periodic blower door tests and added thermal envelope wrapping to help the home achieve Passive House standards for air-tightness.
To measure the amount of leakage in a home a tool called a blower door, which is comprised of a calibrated fan, a mounting system to attach the fan to an exterior door, and a manometer which measures pressure is used.
Standards and protocols for conducting blower door testing to measure the envelope leakage of single-family, detached homes are well understood and consistently applied.
We would be invited into someone's house and test it using a large fan called a blower door to find out how drafty their house was, where the leaks were, or whether it was filled with bad air from being too airtight.
An increase in [[rho].sub.fs], implies a reduction in the difference between a fully guarded and solo blower door test result and vice versa.
A study conducted in a US home by Bayer MaterialScience LLC researchers to demonstrate the benefits of polyurethane (PU) sealants shows there was a 25 per cent reduction in airflow based on blower door testing performed before and after the sealant was applied.