Roofing Terminology
(Click on a letter to learn more)
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Incline
The slope of a roof expressed either in percent or in the number of vertical units of rise per horizontal unit of run.
Infrared Thermography
A practice of roof analysis where an infrared camera is used to measure the temperature differential of a roof surface to locate areas of underlying moisture.
Inorganic
Being or composed of matter other than hydrocarbons and their derivatives, or matter hat is not of plant or animal origin.
Insulation
A material applied to reduce the flow of heat.
Inverted Roof Membrane Assembly (IRMA)
A patented, proprietary variation of the "Protected Membrane Roof Assembly" in which Stryofoam Brand insulation and ballast are placed over the roof membrane. IRMA and Stryofoam are registered trademarks of the Dow Chemical Corporation.
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