I-beam |
A steel beam with a cross section
resembling the letter I. It is used for long spans as basement
beams or over wide wall openings, such as a double garage door,
when wall and roof loads bear down on the opening. |
I-joist |
Manufactured structural building
component resembling the letter "I". Used as floor
joists and rafters. I-joists include two key parts: flanges
and webs. The flange or from of the I joist may be made of laminated
veneer lumber or dimensional lumber, usually formed into a 1
_" width. The web or center of the I-joist is commonly
made of plywood or oriented strand board (OSB). Large holes
can be cut in the web to accommodate duct work and plumbing
waste lines. I-joists are available in lengths up to 60 feet
long |
Incandescent
lamp |
A lamp employing an electrically
charged metal filament that glows at white heat. A typical light
bulb. |
Index |
The interest rate or adjustment standard that
determines the changes in monthly payments for an adjustable
rate loan. |
Infiltration |
The passage of air from indoors to outdoors and
vice versa; term is usually associated with drafts from cracks,
seams or holes in buildings. |
Inside corner |
The point at which two walls form an internal
angle, as in the corner of a room. |
Insulating
glass |
Window or door in which two panes of glass are
used with a sealed air space between. Also known as Double glass. |
Insulation
board, rigid |
A structural building board made of coarse wood
or cane fiber in _- and 25/32-inch thickness. It can be obtained
in various size sheets and densities. |
Insulation |
Any material high in resistance to heat transmission
that, when placed in the walls, ceiling, or floors of a structure,
and will reduce the rate of heat flow. |
Interest |
The cost paid to a lender for borrowed money. |
Interior
finish |
Material used to cover the interior framed
areas of walls and ceilings |
Irrigation |
Lawn sprinkler system. |
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