Velux Sun Tunnel

Natural Sunlight Is As Close As The Roof Over Your Head!

Mechanical Specifications (contact us for any updated specifications)
Approved I.C.B.O. Report #5185

Component and Description
For Mechanical Evaluations

1. Transparent U.V. stabilized grade 1 acrylic dome; I.C.B.O. #1084.

2. Dome fixed with 4 non-corrosive screws.

3. Vent tabs, (vented or solid) interchangeable.

4. Luran S KR2854 black skylight base, ASTM tested; D638, D256, D792, D648.

5. Base attachment (500-9 screws and 400-6 screws). Two continuous caulking beads seal frame to roof flashing base.

6. 26 G.A. pre-painted colorbond flat metal flashing. Available in pre-bent form to take lead strip for tile roofs.

7. Mirror-finish stainless steel ring, 28-gauge with four bendable tabs for tubing attachment.

8. Three continuous wraps of PVC duct tape.

9. Highly reflective, ultraviolet-proof quadruple laminate. It consists of a double outer- layer of metallized polyester film with a double inner layer of reinforced glass fiber filament. A yarn mesh aluminum foil with coiled-spring wire skeleton is imbedded between the two layers. UL 181 rated.

10. 28-gauge mirror-finish stainless steel ring.

11. Four sheet metal screws attach stainless steel ring to ceiling frame.

12. White ABS injection molded ceiling frame.

13. K-12 prismatic acrylic diffusion panel.

14. Screws attach ring to ceiling with retainer blocks. Screw cover also attaches (500-6 and 400-4).

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ENERGY STAR qualified products use less energy than conventional products. And money isn't all you're saving by purchasing products that use less energy, you're also helping to save the environment. As an ENERGY STAR partner, Big Frog Mountain is proud to offer you products with the ENERGY STAR label. For more information, visit www.energystar.gov

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Big Frog Mountain Corporation
3821 Hixson Pike
Chattanooga, Tennessee 37415
(423) 265-0307 M-F 9-5 Eastern
1-877-232-1580 Toll-Free Order Line
(423)-265-9030 FAX 24/7