Here is a question that I got recently in the email:
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My first floor ceiling now has a horizontal opening say .8 metres by .8 metres with a hatch bordered by a frame. When the hatch is opened you can grab the loft ladder and access the loft. Does the hatch need a mezuzzah. Can you place a mezuzah on the horizontal.
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Here's my answer:
Dear Sir, Any door that is horizontal is exempt from a Mezuzah. In fact I have the same kind of hatch in my home here in Israel.
Be well,
Aaron Shaffier MezuzahStore.com
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