WINDOWOLOGY
Horizontal Slider ( XO ) typically called an XO or OX meaning the X is the sliding or vent portion and the O being the fixed.
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OX example
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XO example
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OX example
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XO example
Single Hung ( SH ) or Top Hung ( TH ) with the S or the T meaning the sliding portion and the H being the fixed.
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SINGLE HUNG /
TOP HUNG
EXAMPLE
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DOUBLE SINGLE HUNG
Picture or Fixed ( P / F ) meaning a non-opening window.
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PICTURE WINDOW
NO GRIDS
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PICTURE WINDOW
(NON-OPENING)
WITH TOP GRIDS
Sliding Patio Doors use the same "handing" as a horizontal sliding window and can be made in multiple panels. Ex: OOX or a OXO or an OXXO. What differentiates the patio slider from the horizontal sliding window is the tempered safety glass.
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4-PANEL DOOR WITH TWO INNER DOORS OPENING OUTWARDS TOWARDS THE FIXED PANELS
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3-PANEL DOOR WITH 2 FIXED PANELS AND THE CENTER PANEL OPENING EITHER