I would say anything past horizontal is too far. Use vertical sidewalls instead
Benjamin Young On Mon, Nov 3, 2025 at 1:32 PM Matt Grise <[email protected]> wrote: > > > We are looking at a dry system for an unheated building. attached to the > outside of the building is a canopy/roof eave that extends more than 4' > away and will require sprinklers. We would like to use standard sidewall > sprinklers as allowed by NFPA 13 2022 8.2.2.2 (4) "horizontal sidewall > sprinklers installed so that water is not trapped." > > The canopy slopes down away from the building, so the sprinkler head will > need to be angled down to discharge downward along the slope. > > Question - how far can you angle a sidewall down to match a slope and > still have it installed so that water is not trapped? > > If you angle it all the way down (like a pendant) - it would trap some > water and pendants are not allowed. but how far is too far? We have a > 3.5/12 roof slope, is that ok to match? > > Thanks! > > Matt Grise > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected]
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