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What is the difference between a sun tunnel and a skylight?

The main differences between sun tunnels and skylights are size, function, and light distribution. Skylights are larger units that bring natural light into the home and may also provide ventilation. Sun tunnels are smaller and [...]

Website Administrator2026-03-18T08:16:51-07:00Sun Tunnels|
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What is a sun tunnel?

A sun tunnel is a roof-mounted daylighting system that captures sunlight and directs it into your home through a reflective tube. It is designed to brighten interior spaces that may not have enough roof area [...]

Website Administrator2026-03-18T08:17:02-07:00Sun Tunnels|
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What are the most likely causes of roof structural failure?

Roof structural failure is most commonly caused by moisture intrusion, untreated dry rot, failed flashing, improper roof installation, and long-term exposure to heat and weather.

Website Administrator2026-02-20T12:56:49-08:00Dry Rot & Structural Repair|
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What is considered structural roof damage?

Structural roof damage includes compromised roof decking, rafter tails, fascia boards, barge rafters, or other load-bearing roof components that affect the stability and integrity of the roofing system.

Website Administrator2026-02-20T12:55:16-08:00Dry Rot & Structural Repair|
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How can I tell the difference between dry rot wood vs. termite damage?

Dry rot usually causes wood to look brittle, cracked, and shrunken with a “cubical” cracking pattern. Termite damage, by contrast, leaves behind mud tunnels and hollowed-out wood with a chewed appearance.

Website Administrator2026-01-27T15:09:19-08:00Dry Rot & Structural Repair|
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What causes dry rot?

Common causes include water leaks, poor ventilation, clogged gutters, and improper flashing. Once moisture is trapped in wood, fungi can begin growing and spreading rapidly.

Website Administrator2026-01-27T15:11:33-08:00Dry Rot & Structural Repair|
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What is dry rot?

Dry rot is a type of wood decay caused by fungi that thrive in moist, poorly ventilated areas. It breaks down the structure of wood, making it soft, crumbly, and structurally unsafe.

Website Administrator2026-01-27T15:19:05-08:00Dry Rot & Structural Repair|
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How long does a typical installation take?

For brand new installation, this project is divided into two phases: interior and rooftop. This project can take between a half day and three days to perform, depending on roof pitch, weather, and interior light [...]

Website Administrator2025-04-28T11:14:57-07:00Skylights|
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What factors into the price of a new skylight?

There are many factors that dictate how much you will spend on a new skylight. Installation costs will vary with the type and amount of skylights you want, ceiling type, roof steepness, and roof height. [...]

Website Administrator2025-04-28T11:18:17-07:00Skylights|
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How do I know if my skylight needs repair or replacement?

There are many signs that you need to repair or replace your skylight. Those signs include staining around the window, murky or yellow discoloration on the glass, and roof problems such as leaks, cracks, condensation, [...]

Website Administrator2025-04-28T11:20:11-07:00Skylights|
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    Tri Valley Roofing provides quality residential roofing services, including roof replacement, roof repair, skylights, sun tunnels, and gutter installation to homeowners in San Ramon, Danville, Blackhawk, Dublin, Pleasanton, Livermore, and surrounding areas.

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    Tri Valley Roofing

    111 Deerwood Rd. Suite 200
    San Ramon, CA 94583

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    (925) 948-1090

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