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Roof Detective Work: Attic Inspection vs. Hose Test Method

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mmitchell31 Original post
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[#23]

So I've got this annoying drip drip situation going on whenever it rains, and I'm torn between climbing up into the attic to spot the leak from underneath or just dragging out the garden hose and spraying down sections of the roof to pinpoint it from above. Attic seems safer (no ladders, yay), but maybe less precise? Hose method sounds more accurate but honestly not thrilled about getting soaked or slipping off the roof, you know. Anyone tried both ways and have a preference?


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16 posts

I've been there - had a similar drip-drip mystery last spring. Tried the attic first, thinking it'd be safer and quicker. But honestly, it was like playing hide-and-seek blindfolded... couldn't pinpoint anything clearly. Ended up doing the hose method anyway, carefully spraying sections bit by bit (and yeah, got mildly soaked). But it worked like a charm. Just take your time and wear shoes with good grip.

"Attic seems safer (no ladders, yay), but maybe less precise?"

Exactly my experience - safer but way less helpful in the end. Good luck!


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adventure_shadow6922
2 posts

When you did the hose test, did you start at the ridge and work downward in small sections, with someone watching the attic from inside? That setup usually gives much cleaner results: the person outside controls exactly where the water goes while the observer looks for the first sign of moisture. Otherwise, water can run along underlayment, rafters, or roof framing and make a leak appear several feet away from its actual entry point. Also, I’d avoid getting on the roof if possible - run the hose from a ladder or have a roofer handle the upper sections.


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