Rooftop Installation

Old 06-19-01, 06:16 AM
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I'm installing a weather station on the roof of my home. I've purchased a tripod with adjustable feet so it can be placed vertically. The feet have screw holes for installation through the roof, but I'm not sure how to do it. I know I have to drill through the shingles and plywood underlay, but do I have to take any precautions against water seeping through the holes? I looked at roof mounting antenna kits at a local store, and they didn't have anything that would seal the hole.

Thanks for any advice you can provide.

Old 06-19-01, 06:23 PM
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Anytime that you puncture a roof's waterproof seal, it is a good idea to seal it with black plastic roofing cement. It comes in various sizes, from pints (what you need) to 5-gallon buckets.
I would put it in the pilot holes for the bolts just prior to installation, and then swab it around over the bolts after they're mounted in the tripod base and tightened down.
Wear old clothes, and use throw-away rubber gloves when working with this stuff. It is VERY sticky and messy. For this application, you can use a popsickle stick or a tongue depressor.
Test for leaks with a water hose. You can apply this stuff in the rain or when the roof is wet, if you need to add more.
Good Luck!

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