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Old 10-22-2013, 08:07 PM   #1
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Rooftop Skylight Curb Rehab


I have a 4' x 8' skylight flat mounted at the top of my hip roof (it is the "peak" or ridge of the roof. It appears to be curb-mounted on 2x lumber, and the weather has taken a toll on the curb. I haven't found any rot, but the cracks in the wood are widening. I'm re-roofing right now and would like to rehab the curb. My initial thought was to sand it down, apply an elastomeric paint primer, followed by the finish color. I'm looking for suggestions to help better preserve the curb going forward. I DO NOT want to pull the skylight off at this time. Mahalo,

Jason

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Old 10-23-2013, 12:08 AM   #2
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Rooftop Skylight Curb Rehab


I can not remember the last time I saw bare wood showing on a curb.
Wrapped it in aluminum coil stock flashing is the norm.

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Old 10-23-2013, 12:49 AM   #3
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Rooftop Skylight Curb Rehab


Yeah, that's a good example of the quality of this house. I think I'm going to clad over it with copper, overlapping the existing flashing underneath. Don't know why I didn't think of that earlier.
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Old 10-24-2013, 02:00 PM   #4
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Rooftop Skylight Curb Rehab


Got any pictures of this beast? This should be interesting.
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Old 10-24-2013, 03:52 PM   #5
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Rooftop Skylight Curb Rehab


Yeah, I'll take some and post later today. I thought it was odd to have a wood curb exposed to the elements, but it's the first house I've had or worked on with a flat skylight.
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Old 10-24-2013, 08:42 PM   #6
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Rooftop Skylight Curb Rehab


Quote:
Originally Posted by jkauai View Post
Yeah, I'll take some and post later today. I thought it was odd to have a wood curb exposed to the elements, but it's the first house I've had or worked on with a flat skylight.
4 x 8 foot, flat is pretty big, Does it snow where you live?
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Old 11-25-2013, 11:29 AM   #7
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Rooftop Skylight Curb Rehab


Do you know the manufacturer of the skylight? Velux makes step flashing kits for all of their curb mount skylights. You can see an example of the kits available on the market here: http://www.skylightsforless.com/store/p/40-Step-Flashing.aspx#.UpN5z-LjVik
Most of the sizes are standard so you may be able to use one of their kits regardless of the skylight manufacturer. The aluminum kit may save you a few dollars in comparison to DIY copper flashing.

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