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Slope Skylights

Slope skylights, sometimes referred to as are single pitch skylights, are generally curbed around the entire perimeter and may can be installed on flat or sloped roofs. In steep pitched conditions, or beyond a four in twelve pitch, a plumb curb is desirable. Slope vault skylights are often used in applications where natural light is needed in a certain space, but the skylight will not be seen from the building's exterior. Skylight pitch is normally determined by the architect's aesthetic intent, structural engineering requirements, or both.

Blueprint of a single slope roof displaying plan view and elevation view with labeled sections and measurements.

Slope Skylight Details

Technical drawing of a skylight installation, showing various components including aluminum snap cap, aluminum pressure cap, glazing, bolts, workpoint, EPDM glazing gasket, screw boss, inter-sky rafter, and condensation gutter.

Detail 1 Typical Rafter
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A detailed technical construction drawing showing various components and materials used in a skylight installation, including aluminum snap cap, silicone seal, glazing, EPDM gasket, screws, purlin clips, and flashing.

Detail 2 Sill
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Technical diagram showing the components and installation details of a skylight, including specifications for the aluminum snap cap, silicone seal, glazing, EPDM gasket, and anchor points.

Detail 2a Sill
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Diagram of a skylight glazing installation showing silicone seal, backer rod, glazing, EPDM setting block, EPDM glazing gasket, TEK screw, aluminum purlin clip, inter-sky purlin with fin, and aluminum snap bottom.

Detail 4 Purlin, Flush Glazed
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Technical drawing of a skylight assembly showing components like aluminum snap cap, pressure cap, glazing, EPDM glazing gasket, TEK screw, aluminum purlin clip, inter-sky purlin with fin, and aluminum snap bottom.

Detail 4a Purlin, Capped
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Technical building detail drawing of a skylight system with labeled components

Detail 6 Head
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Technical cross-section drawing of a skylight system, showing various components

Detail 7 End Rafter
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Technical drawing of skylight assembly with labels for silicone seal, backer rod, aluminum flashing, EPDM glazing gasket, workpoint, inter-sky purlin assembly, inter-sky rafter, and end glazing.

Detail 8 End Glazing
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Detailed architectural or construction drawing showing a cross-section of a skylight installation with annotations and specifications.

Detail 9 Vertical Sill
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