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HOPPER |
Window designed specifically with the handle to the inside and top. The most traditional form of a basement window. The advantage of a hopper in basement window applications is that it provides maximum ventilation and protection against the elements even when opened. |
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DOUBLE SLIDER |
A window unit in which both sash operate and are fully removeable. Not originally designed as a basement unit but the sizes have evolved to meet basement requirements. Lacks sloped sill and must use weep holes for water drainage. A favorite among remodelers since the ceiling can be dropped without adversely affecting the operation of the unit. |
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LOW E GLASS |
A coating applied to glass to increase the insulating value of the overall unit and decreases UV penetration. |
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INSULATED GLASS |
The process of sealing two pieces of glass together and creating a specific airspace to provide insulating value to the glass unit. Overall glass thickness varies. Non-insulated glass has no R-Value. |
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R-VALUE |
Is insulating value, hot or cold transmission, of a unit. It has become the standard for measuring the performance of a window. Please remember, it is not the only tool to measure the performance of a window. |
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SASH BLOCK FINS |
These are the pre-extruded fins along the side of the frame of the basement windows for new construction application in cement block. They can be removed for replacement application. |
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HEADER |
Refers to the top of the window mainframe. |
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JAMBS |
Refers to left and right side of the window mainframe. |
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SILL |
Refers to the bottom of the window mainframe. |
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SASH |
Refers to the operable panel that houses the glass and sits within the mainframe. |
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ROUGH OPENING |
The opening required to install the window unit. Varies upon application. |
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TIP-TO-TIP |
Actual window measurement excluding fins. |
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MORTAR WASH |
The use of mortar mix to slope and fill the void between the sill and the block that is found in the most common cement block applications. |
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TRUE SLOPED SILL |
An angle in the sill of the extrusion that provides natural drainage for the basement unit. Standard in all Duo-Corp. Hoppers. |
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WEATHERSTRIPPING |
Can be found in various forms. Fin-seal, woolpile, and bulb-seal are all examples. This is what seals the sash to the mainframe. |
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EGRESS |
A opening required by code for fireman entry and occupant escape. Varies by area with regards to requirements. ALWAYS CHECK LOCAL CODES. |
