I have a single car garage with a sectional overhead door, I have space on one stucco wall for a 24 x 75 pedestrian door. will that size be acceptable since it is not the main egress door?

Irc The building code requires that a garage floor be sloped towards the door, but does not specify a minimum slope. It is usually 1/8โ€ to 1/4โ€ per foot. Here is the citation from the International Residential Code (IRC): R309.4: "The area of floor used for parking of automobiles or other vehicles shall be sloped to facilitate the movement of liquids to a drain or toward the main vehicle ...

Now retired and just want to build a garage, so this is a NYS Residential Code question. Where does the code - IRC close enough - tell me a slab on grade garage floor in unheated building doesn't have to be protected from frost? Lots of unheated post frame/pole barn buildings with an independent slab I them that I'm sure is subject to frost heave.

The leakage around a garage door and the cubic volume of a double car garage should provide an adquate supply of combustion air to any "B" vented unit. We have encouraged CO detectors in homes with attached garages for years especially if a HVAC unit is installed in the garage.