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Interior Door Question (self.homeimprovement)

submitted 1 year ago by Thunderdonk4444 to c/homeimprovement

13 comments fedilink hide all child comments

Hey Friends!

I'm preparing to replace all the interior doors in my apartment (Chicago), and I am wondering if the laundry and furnace rooms require special doors.

Ideally, I would love to slap some solid core doors on there to reduce sound, but it's unclear to me if I need to install doors with ventilation, and if so, how much.

Does anyone know what best practices are here?

Thank you all <3

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[–] grayman 3 points 1 year ago (2 children)

Replace what you have with similar is usually logical. Modern laundry usually has a vent, so at least a gap at the bottom of the door is necessary. Furnace room will have more important code requirements. Old furaces and water heaters drew air from the room. That's no longer allowed in new appliances. So if they do draw from the room, you must have ventilation. If not, it doesn't matter / isn't required. Either way, that doesn't prevent you from installing solid doors. Also, you can vent through the interior wall if you don't want to cut into your door.

[–] Wxfisch 1 points 1 year ago (1 children)

Not all modern furnaces and water heaters pull in outside air. Less expensive gas furnaces may still use interior air for combustion and almost all gas water heaters will. Heat pump water heaters absolutely need ventilation to work correctly as well.

[–] grayman 1 points 1 year ago

I was trying to not be too pedantic, but correct. Good points.

[–] Thunderdonk4444 1 points 1 year ago (1 children)

Interesting... how would you set up ventilation on the interior wall? Just making sure there is some hole somewhere?

[–] grayman 1 points 1 year ago

Find the studs, block out a rectangle of necessary size to mount vent grills on both sides. Essentially, make your own hole in the wall and add 2x4 to the side(s), top, and bottom. If you plan it right, you won't need to cut open the wall more than the finished hole size.