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FEATURES

  • A wide selection of double glazed options available.
  • Glass requires min 2:12 pitch.
  • Ideal solution to gain access to rooftop for services (i.e. HVAC) or outdoor living space.
  • Internal welded one piece, thermally broken white aluminum frame with pull down handle.
  • Unique locking roof latch.
  • For optimum thermal efficiency all roof access doors are made with aluminum thermally broken base frames. Internal heliarc welded one piece white aluminum frame with pull down handle.
  • Brown standard exterior aluminum frame. Black, grey, white, sandalwood, or mill finish aluminum frame also available.
  • 15 standard sizes in acrylic dome and 10 in glass. Custom sizes also available.
  • Note: RAS curb width cannot exceed 1.75”.

Recommended Roof
Type

Sloped Shingle Sloped Curb Roof Feature

Sloped or Flat with Sloped Curb

Roof Pitch 2:12
Minimum

Min 2 12 Roof Pitch

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Recommended
Location
  • Commercial building, rooftop access
  • Condominium or townhouse
  • Top-floor lofts
  • Rooftop patios
  • Roof maintenance requirements

Columbia offers a wide range of
high performance glass options

  • Columbia offers a wide range of double glazing options for the GL RAS.
  • All glazing options are available with LoE3 and Neat coating.

Cardinal Glass Industries is Columbia’s glass supplier, a world leader in high performance glass technology. Cardinal maintains a clear vision – design and fabricate the most advanced residential glass products in the industry.

Double Glazed LoE3 366 Clear Temp/Temp
DGLEA
Loe3 366 icon
Industry benchmark
Double Glazed LoE3 366 Clear Temp/Temp
  • Dual pane with argon gas.
  • Superior LoE3 triple coating is virtually invisible.
  • Blocks 95% of UV rays.
  • Advanced condensation
    resistance.
  • Industry standard, identical LoE3 coating from the same
    supplier as the competition.
Double Glazed LoE3 366 Tempered/Laminated
TLLEA
Loe3 366 icon
Strong laminated glass
Double Glazed LoE3 366 Tempered/Laminated
  • Dual pane with argon gas.
  • Superior LoE3 triple coating is virtually invisible.
  • Reduces the effects of sound by up to 30%.
  • Additional security:
    The innermost interlayer holds the glass together in case of breakage.
  • Clear or translucent white laminated glass is available.
  • Up to 99% UV protection, reduces fading of furnishings.
  • 10 year hail warranty on cracking or breakage due to hail.
10 Year Icon Hail
Double Glazed LoE3 366 Neat
NEAT
Neat glass icon
Low Maintenance
Double Glazed LoE3 366 Neat
  • Dual pane with argon gas.
  • Superior LoE3 triple coating is virtually invisible.
  • Neat coating breaks up organic material on the glass.
  • Reduces water spotting and disperses water evenly.
  • Blocks 95% of UV rays.
  • Neat coating available as an add on to all glazing options.
Double Glazed LoE3 i89
i89
Loe3 i89 icon
Close to triple pane protection
Double Glazed LoE3 i89
  • Dual pane with argon gas. Superior LoE3 triple coating is virtually invisible.
  • LoE3 coatings applied on two surfaces for enhanced energy efficiency.
  • Close to triple pane performance.
  • Blocks 95% of UV rays.
  • Offered in all standard and custom sized models since 2011.
Double Glazed LoE3 366 Tinted Bronze or Grey
BLEA / GLEA
Loe3 366 icon
For a softer light
Double Glazed LoE3 366 Tinted Bronze or Grey
  • Dual pane with argon gas.
  • Superior LoE3 triple coating is virtually invisible.
  • Glare reduction.
  • Ideal for rooms requiring a softer light.
  • Reduces solar heat gain.
  • Blocks 95% of UV rays.
  • Available in bronze and grey tints.

Min Roof Pitch 2 12

Sizes FOR GL RAS Vinyl Self Flashing Fixed GLASS Skylight

Available in the sizes shown in the chart below (Imperial and Metric). You can also review the most popular sizes. If you don’t see the size you need below, then please visit our Custom Sizes page. You can also download a printable PDF of the chart.

GO TO CUSTOM SIZES

If you can’t find the size you want in our standard sizes, go to our Custom size page.

Standard skylight measurement are available in both options.

Popular Sizes

The yellow star indicates the most popular sizes.


Min Roof Pitch 2 12
Size Chart – Summary
Gl Ras Size Chart Summary Metric En
Gl Ras Size Chart Summary Imperial En

Pinch to enlarge.

NOTE: Sizes are reversible (must be specified at time of ordering). I.e. 3676 can be 7636.

Technical Information

Each model comes with a downloadable information package to help you select, specify, and install our product. If you do not find what you need, don’t hesitate to call our Columbia Customer Service Team at 604 437 3377 (Toll Free: 888 437 5557) or email info@columbiaskylights.com.

Download
Size Chart
Download Size Chart Cta
Download a PDF of the size chart for this model to keep as reference.

The size chart comes in Imperial and Metric.
Installation
Instructions
Columbia Installation Instructions Cta
Use Columbia’s installation instructions to ensure a successful installation.

Download the instructions for this model, or if you need multiple models go to the Installation Instruction Library page.
Drawings &
Specifications
Drawings And Specs Cta
Download two formats of this model’s technical drawings – (1) Detail or (2) Product Data. Also available, .dwg (CAD file) and Product Specifications as a Word Doc, PDF, or Text file.

For multiple models go to the Drawings & Specification Library page.

Accessories

IWS – Roofing Underlayment

Why Columbia

No Leaks No Flashing

Find Out Why Columbia Skylights Don’t Leak

Columbia’s Canadian made skylights are designed and manufactured with the latest materials and parts, combined with over 5 decades of experience. We are proud to have supplied over 1 million skylights for North American roofs.

Our skylights don’t leak – the frame design is proven to repel the worst of Canadian weather, and we use high performance glazing from one of the top manufacturers in the world – North American-based Cardinal Glass Industries. Acrylic and polycarbonate are supplied by the highest quality North American manufacturer. Our skylights combine a durable extruded aluminum exterior extruded frame and a heavy duty PVC vinyl interior frame.

Our 4 sided rigid condensation gutter has been designed with additional width to allow for 100% drainage.

All our components are manufactured in North America by suppliers we have worked with for decades.

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New Mississauga distribution warehouse to better serve Ontario, Quebec and the Maritimes

We have relocated our eastern distribution warehouse to a newly constructed facility in Mississauga, Ontario. Columbia’s new distribution warehouse is larger and able to store a full range of ready to deliver Columbia and FAKRO products.

The warehouse is located on Meadowvale Boulevard near the 401 and Mississauga Road, providing easy highway access .

The warehouse allows us to serve Eastern Canada with greater efficiency, improved delivery times and allowing us to carry larger inventories.