Batter Boards Definition: Boards used during the rough site work and excavation period to create the temporary outline of where the building will be constructed. Helps ensure the building footings will be square and straight.
Disadvantage: May need additional heating source in areas with very cold climates. Not used as much up north.
Air handling unit: forces air through a duct system with a strong fan
InsulationPurpose: to reduce the heat flow through the assembly of a building Batt/Blanket- rolls or sheets of insulation easily installed between the studs in walls Loose Fill- fiberglass insulation blown into place between ceiling joists in attics
Insulation Foamed- a mixture of two chemicals that react to form very affective insulation that also completely fills in cracks. Rigid Board- comes in 4’X8’ sheets and is used as exterior sheathing for basement walls