Batt

Business / Construction / Batt : A section of fiber-glass or rock-wool insulation measuring 15 or 23 inches wide by four to eight feet long and various thickness'. Sometimes 'faced' (meaning to have a paper covering on one side) or 'unfaced' (without paper).

R Value

Business / Construction / R Value: A measure of insulation. A measure of a materials resistance to the passage of heat. The higher the R value, the more insulating 'power' it has. For example, typical new home's walls are usually insul MORE

R Factor Or Value

Business / Construction / R Factor Or Value: A measure of a materials resistance to the passage of heat. New homewalls are usually insulated with 4' of batt insulation with an R value of R-13, and a ceiling insulation of R-30. MORE

Permission

Technology / Email / Permission: The implicit approval given when a person actively requests to have their own email address added to a list. MORE

Permission Marketing

Business / Internet Marketing / Permission Marketing: Marketing centered around getting customer's consent to receive information from a company. MORE

Permit

Business / Construction / Permit : A governmental municipal authorization to perform a building process as in: Zoning\Use permit -Authorization to use a property for a specific use e.g. A garage, a single family residence etc. Demoliti MORE

Permian Period

Science / Biology / Permian Period: The last geologic time period of the Paleozoic Era, noted for the greatest mass extinction in earth history, when nearly 96% of species died out. MORE

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