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Housewrap (or house wrap ), also known by the genericized trademark homewrap (or home wrap ), generally denotes a modern synthetic material used to protect buildings. Housewrap functions as a weather-resistant barrier, preventing rain or other forms of moisture from getting into the wall assembly while allowing water vapor to pass to the exterior.
Exterior insulation and finish system ( EIFS) is a general class of non- load bearing building cladding systems that provides exterior walls with an insulated, water-resistant, finished surface in an integrated composite material system. EIFS has been in use since the 1960s in North America and was first used on masonry buildings.
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.
In late June 2021, a heat dome parked over the West Coast states led to record-shattering temperatures.Seattle hit the 100-degree mark on three consecutive days, peaking at 108 on June 28.
In 2023, at least 207 people died nationwide from heat, more than the next two weather types — rip currents (91) and tornadoes (86) — combined. More: Heat dome? Heat wave?
By installing insulation, buildings use less energy for heating and cooling and occupants experience less thermal variability. Retrofitting buildings with further insulation is an important climate change mitigation tactic, [ 1][ 2] especially when buildings are heated by oil, natural gas, or coal-based electricity.
The building envelope or enclosure is all of the elements of the outer shell that maintain a dry, heated, or cooled indoor environment and facilitate its climate control. Building envelope design is a specialized area of architectural and engineering practice that draws from all areas of building science and indoor climate control. [ 2]
Thermal insulation is the reduction of heat transfer (i.e., the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radiative influence. Thermal insulation can be achieved with specially engineered methods or processes, as well as with suitable object shapes and materials.
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