I

I-Beam

Shaped like the letter I at its cross section, this type of beam is constructed of iron, steel or wood.

Impasto

A thick application of pigment applied to surfaces, making the painting stand out in bold relief.

Impervious Tile

Tile specified by a water absorption of 0.5 percent or less.

Imported Marble

Marble that's shipped in from another country.

Improvements

Enhancements to the value of a property.

Increaser

A pipe fitting that enlarges from a smaller pipe to a larger pipe.

Indirect Luminaire

Lighting that delivers most of its light upward.

Industrial Paint

Typically this industrial paint is used in commercial environments. Highly durable and ultra-resistant to chemicals and environmental exposure.

Insulating Glass

A window or door that incorporates two or more panes of glass. Space between the panes are hermetically sealed.

Insulation

Usually placed within ceilings and walls, this material is used to prevent heat loss. Insulation helps to reduce heating and electricity bills.