Bayview Glossary
Radiation
The transfer of heat and or light energy through the atmosphere.
Rail
Horizontal member of the frame or sash of a window or door.
Reflective glass
Window glass coated to reflect visible light and solar radiation striking the surface of the glass.
Relative Humidity
A measurement of the amount of water vapour in air at a certain temperature relative to fully saturated air at the same temperature. Expressed as a percentage.
RenoMark™
RenoMark™ is the renovation industry's mark of excellence for renovators who believe in professionalism and are committed to their industry and to their businesses and are willing to pay annual dues to keep informed and to help educate consumers. Visit the Renomark website.
Replacement Window
Any window custom made to replace an older window.
Retro-Fit Window Installation (insert window)
A method of installing a replacement window inside the frame of a wood window.
Rough Opening (RSO)
Opening in a wall into which a window or door is installed. In wood frame construction this opening is often called the RSO (rough stud opening).
Round-top Window
One of several terms used for a variety of window units with one or more curved frame members, often used over another window or door opening.
Safety glass
A strengthened or reinforced glass that is less subject to breakage or splintering and less likely to cause injury if broken.
