Specification for Model OVSF
Manual Operable Vinyl Self flashing acrylic dome / pyramid skylight
Part 1 – General
1.01
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1.04
1.05
This section covers all work necessary to the execution and completion of skylights as
shown on drawings and specified herein.
Work includes design, fabrication, and glazing of skylight assembly
Self flashing manual operable acrylic dome or pyramid skylights shall be Columbia model
_____________ as manufactured by Columbia Manufacturing Co. Ltd.., 4575 Tillicum
Street, Burnaby, British Columbia, Canada V5J 3J9.
All self flashing skylights must be installed on a minimum 3:12 pitch roof, or warranty is
void..
Columbia warranty includes 10 years warranty against manufacturers’ material or
workmanship defects, as outlined in the Columbia warranty certificate.
Part 2 – Materials & Manufacturing
2.01
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The skylight base frame shall be vinyl (PVC) extrusion (rugged, impact resistant vinyl,
superior to aluminum in reducing thermal conductivity.) Wall thickness on all exterior
walls shall be minimum .060” (1.5mm). The corners shall be fusion welded to ensure a
leakproof frame. Four sided, large capacity condensation gutter with weep holes in all
four (4) corners shall be an integral part of the unit. The co-extruded (santoptrene)
gasket acts as a water and air tight seal between the base frame and the acrylc unit.
Two co-extruded (santoprene) gaskets affixed to the underside of the sash frame to act
as water and air tight seal between PVC sash and mounting base frame. Vinyl extrusion
includes built in curb and flashing flange. The vinyl flashing flange has slotted mounting
holes at 10” intervals.
Aluminum extruded frame shall be alloy 6063-T5 or 6063-T6 with minimum wall thickness
of .062” (1.58mm); within industry tolerances. Exterior frame supplied with baked enamel
paint finish in Rideau brown (black, white, or sandalwood also available).
Glazing Materials- Columbia can supply almost any variation or combination of glazing
products. If your single, double, or triple glazed acrylic or polycarbonate skylight is not
found in the GLAZING OPTIONS section, contact the Columbia customer service
department.
A. Acrylic sheet. Shall be used in all thermoformed dome and pyramid shaped skylights.
Colour shall be clear, bronze, grey, white. Thickness as required by the span and
loads.
B. Polycarbonate. Colour shall be clear, bronze or white. Thickness as required by the
span and loads.
All exterior fasteners in frame shall be 300 series stainless steel.
The skylight assembly shall be air tight with no air paths to connect interior building to
exterior elements.
A gasket shall be provided between all points of contact between acrylic or
polycarbonate, aluminum, and vinyl surfaces.
Screen: White aluminum screen profile, with metal spring pins for positioning and
fastening, (0.28mm glass fiber thread with PVC coating, charcoal in color).
Truth manual white chain operator fitted to sash with bracket and removable pin.
Maximum chain extension is 9” and includes limit stop. Removable handle can be
interchanged with hexball adaptor for use with extension poles.
Part 3 – Installation
3.01
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Install skylight in accordance with manufacturer’s installation instructions.
Self flashing glass skylights installed on slopes less than 3:12 pitch shall void all
warranties.
Ensure skylight is securely sealed and fastened to roof deck. Note bottom flange must
be installed on top of roofing materials.
Use of ice and water shield (rubber membrane) required as secondary seal.
Subsequent to installation of the skylight, the contractor/customer shall be responsible for
the cleanup and protection of all materials provided per this section, including glazing
materials and framing members. No abrasive materials of any kind shall be used in
cleaning of skylight surfaces.