3.1501.1 Penetrations, Cracks, and Doors Between Garage and House

Attached Garages
Garage Openings
Desired Outcome: 
Openings from garage sealed to prevent leakage

All lighting fixtures, wiring, plumbing, venting, ducting, and gas piping penetrations will be sealed

Prevent air leakage and pollutant entry


All joints and connections in ductwork will be fastened and sealed with UL UL Underwriters Laboratories 181B or 181B-M welds, gaskets, adhesive mastics, or mastic-plus- embedded-fabric systems

Prevent air leakage and pollutant entry


All cracks in house and garage separation wall will be sealed, including cracks between mud sill, rim joists, subfloors, and bottom of gypsum board, ensuring the air sealing enhances the integrity of the fire resistance construction of that wall

All cracks in ceiling surfaces will be sealed

Prevent air leakage and pollutant entry

Garage to house door

Weather stripping, door sweep, and threshold will be installed to stop air leakage

Prevent air leakage and pollutant entry


Broken glass panes in doors will be replaced, pointed, and glazed where needed

Prevent air leakage and pollutant entry

Carbon monoxide ( CO CO Carbon monoxide ) alarm

CO CO Carbon monoxide alarms will be installed in accordance with ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 62.2, applicable codes and manufacturer specifications

Warn occupants of CO CO Carbon monoxide exposure from attached garage

Occupant education

Occupant will be educated on need to keep door from garage to house closed and not to warm up vehicles or use any gas engine appliances or grills in the garage, even if the main door is left open

Reduce risk of CO CO Carbon monoxide poisoning inside of garage and adjacent rooms