Any of various flammable mixtures of hydrocarbons and other substances, occurring naturally or obtained by distillation from coal or petroleum, that are a component of asphalt and tar and are used for surfacing roads and for waterproofing.
Bitumen-stop
A continuous seal for preventing bitumen from leaking down into or off a building. Is constructed by extending the base sheet or other non-porous ply of felt beyond the edge of the field plies. It is then turned back onto the top of the system and adhered.
Bituminous
Containing or made with bitumen. Containing natural asphalt.
Bituminous coal
Soft coal that yields pitch and tar and produces a large amount of smoke and ashes when it burns; containing volatile hydrocarbons.
Bituminous emulsion
Bituminous particles suspended in water or other solution.
Bituminous paving
Paving composed of asphalt and aggregate.
Biweekly mortgage
Mortgage that is paid every two weeks, rather than monthly, thus repaying the loan more quickly.
Biweekly payment mortgage
A loan that has a biweekly payment schedule. This is a total of 26 monthly payments a year, ultimately paying off a loan faster and saving on interest costs.
Black cherry
Hard, reddish brown wood normally used for making furniture.
Black iron
Iron without any finish on it, which is really gray-black in color.
