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radiation
Transfer of heat energy through space by wave
motion. Heat is not considered present until the energy strikes and
is absorbed by an object.
rafter
A parallel beam used to support roof framing.
rake
A board used on a slant or incline.
rayon
A natural textile fiber used as a fabric.
readings
As used through out P1M as the temperature and relative humidity
reading.
reduction
The gain or loss of electrons due to a chemical reaction.
relative humidity
The ratio of water vapor present in air to the highest amount
possible at the same temperature.
remove and reset
The process of removing a component or item and reinstalling or
resetting the same item back in place.
repair
The process of correcting an unwanted action or malfunction.
re-shoring
The process of replacing a damaged structural component with a new
one without damaging the balance of the structure.
residue
The remains from fire, smoke, soot, gases, etc.
residual
The remaining substance of a cleaning agent or PIC on a wall,
ceiling, contents item, etc.
resilient flooring
See linoleum.
resin
A solid or semisolid flammable substance of organic or synthetic
material that flows under stress, a natural polymer.
restoration
The process of bringing the original luster back to a structural
component or contents item.
restorative cleaning
The process of cleaning to remove smoke, soot and gases from a
component or contents item.
restorative drying
The process of extracting, rolling, dehumidification and wicking to
dry out a structure.
retardent
A substance used to delay the flow of moisture, water, heat, flame,
etc.
ridge beam
A horizontal board used to secure the top of rafters.
riser
The upright member between two steps.
rust
A powdery scaly red, orange, brown color formed on the surface of
irons due to an abundance of oxygen and water.
R-value
The measurement of a materials resistance to heat flow.
