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2. Vapor barrier - Wikipedia

   en.wikipedia.org/wiki/Vapor_barrier

   The function of a vapor barrier is to retard the migration of water vapor. A vapor barrier is not typically intended to retard the migration of air. This is the function of air barriers. [8] Air is mixed with water vapor. When air moves from location to location due to an air pressure difference, the vapor moves with it.

3. Thermal destratification - Wikipedia

   en.wikipedia.org/wiki/Thermal_destratification

   Conversely, cool air falls to the floor as it is heavier than the surrounding warmer air. [ citation needed ] In a stratified building, temperature differentials of up to 1.5°C per vertical foot is common, and the higher a building's ceiling, the more extreme this temperature differential can be. [ 2 ]

4. Damp (structural) - Wikipedia

   en.wikipedia.org/wiki/Damp_(structural)

   The dampness results in vaporization where water vapor is transmitted into the building's interiors. Water vapor may enter the building through supply air ducts in building slabs and circulated by warm forced air. Water vapor can also enter a building through leaky return air ducts in homes with crawlspaces. [4]: 185–187

5. Interstitial condensation - Wikipedia

   en.wikipedia.org/wiki/Interstitial_condensation

   Interstitial condensation is a type of condensation that may occur within an enclosed wall, roof or floor cavity structure, which can create dampening. When moisture-laden air at dew point temperature penetrates inside a cavity of the structure, it condenses into liquid water on that surface. The moisture laden air can penetrate into hidden ...

6. Pipe insulation - Wikipedia

   en.wikipedia.org/wiki/Pipe_insulation

   Pipe insulation cannot prevent the freezing of standing water in pipework, but it can increase the time required for freezing to occur—thereby reducing the risk of the water in the pipes freezing. For this reason, it is recommended to insulate pipework at risk of freezing, and local water-supply regulations may require pipe insulation be ...

7. Jim Carrey Clarifies His Retirement Comments: It's 'More ...

   www.aol.com/jim-carrey-clarifies-retirement...

   Jim Carrey isn't swearing off acting for good.. The actor returns to the big screen in the new sequel Sonic the Hedgehog 3 after previously saying in 2022 that he was "being fairly serious" about ...