Surveying & Installation - Terminology
Installer: Company and / or individual carrying out the works of fitting the window / door.
Lintel: Beam which supports loads over a structural opening.
Can be made of steel, reinforced concrete, timber etc or
steel mesh fixed between brick courses.
The overall dimensions for the door / window which
Manufacturing Sizes: result from making the approprite deductions from the structural opening size. Also known as Work Size.
Aperture in a wall into which a window or doorset is to be Structural Opening:
installed.
Size of the maximum rectangular shape which can be Structural Opening Size:
fitted within the structural opening.
Qualified or otherwise competent person who is capable
of surveying for window and doorset installation, Surveyor:
advising on suitable design, carrying out a risk
assessment as necessary, and assessing the quality of
the finished installation.
Original source of the design and / or supply of
System Supplier: components used in the fabrication of a window or door.
A compressible material used to seal around the
perimeter of a window / door in the structural opening to Sealant:
prevent air and water penetration, commonly made of
silicone, butyl tape, or polysulfide.
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