The Sun Tunnel from Velux can go places skylights, or even rigid solar tubes, cannot. Even better, according to the manufacturer, installation is a do-it-yourself project.
The tubing that connects the outside cover dome to the inside ceiling diffuser lens is flexible, so it can go flex for rafters, chimneys and other attic obstructions. It's suitable for roofs with slopes of 15 to 60 degrees.
Available in 14" or 21", the tubing has a highly reflective interior. Actually, it kind of resembles a shiny dryer hose.
The kit includes a clear dome in either acrylic or impact-resistant polycarbonate, flashing, tubing and a diffuser lens that drops into a paintable ceiling ring. The 14" kit has 8 feet of tubing; the 21" kit has 6 feet.
If you've ever had a leaky roof from bad flashing, you may be reluctant to cut a hole overhead. But Velux assures us that the one-piece flashing assembly included with the kit simply slides under the uphill roof shingles for water-tight installation. The Sun Tunnel is designed for low-profile shingles or shakes, although a kit for tile roofs is available.
Someone with "basic carpentry skills" can install the Sun Tunnel in just two hours, according to the manufacturer. Detailed and easy-to-follow instructions are included. But if you're uncomfortable with heights or handling a reciprocating saw (not to mention cutting holes in your roof) you might want to hire a carpenter.
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