Home inspectors check for proper fire protection between garages that abut the living area of the home. Unlike separations that exist between dwelling units, the separation between the residence and garage is not a fire resistance-rated assembly.
Numerous potential hazards exist within garages Penetrate garage ceiling occupants of dwelling units tend to store a variety of hazardous materials there. Along with this and the potential for CO buildup within the garage, code requires that the garage be separated from the dwelling unit and attic. Home inspectors should be checking for proper fire protection between garages that abut the living area of the home.
Home inspectors are not required to cut a hole in the gypsum board to measure the thickness, so it is a visual inspection. Pull-down ladders also Penetrate garage ceiling common trouble spots because many do not provide a fire- or gas-resistant barrier. Another area of concern can be related to the installation of a furnace vent into the garage, which often is done to provide heat near a workbench, but that allows gases to flow directly back into the house.