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§ Chapter 15 IRC 2018

Exhaust Systems

8 entries from Chapter 15 of IRC 2018, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.

§ 01   Sections

All 8 entries.

Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.

Can My Dryer or Bathroom Fan Vent Into the Attic? (IRC 2018)
M1501.1
Can my dryer or bathroom fan vent into the attic instead of outside?
Where Can a Clothes Dryer Vent Terminate Outside the House? (IRC 2018)
M1502.3
Where can a clothes dryer vent terminate outside the house?
Can I Use Flexible Foil Duct or Plastic Pipe for a Dryer Vent? (IRC 2018)
M1502.4.1
Can I use flexible foil duct or plastic pipe for a dryer vent?
Can Dryer Vent Screws Go Into the Duct? (IRC 2018)
M1502.4.2
Can dryer vent screws go into the duct?
How Long Can a Dryer Vent Be With Elbows? (IRC 2018)
M1502.4.4
How long can a dryer vent be with elbows?
Can an Over-the-Range Microwave Just Recirculate Air? (IRC 2018)
M1503.1
Can an over-the-range microwave just recirculate air?
Does a Kitchen Range Hood Have to Vent Outside? (IRC 2018)
M1503.1
Does a kitchen range hood have to vent outside?
Are Bathroom Exhaust Fans Required to Vent Outside? (IRC 2018)
M1507.2
Are bathroom exhaust fans required to vent outside?