The massachusetts state building code consists of a series of international model codes and any state specific amendments adopted by the board of building regulation and standards bbrs.
Building code for exterior doors.
So for all these reasons the international residential code irc and residential edition of the florida building code fbc r302 5 have safety standards for a door that separates the garage from the house interior.
2018 irc section r311 3 1 restricts threshold height a required exit door in residences to 1 inches from the top of the the threshold to the floor or landing on each side of the door.
Means of egress doors in the irc.
Landing requirements for all other exterior doors.
When repairs and alterations amounting to.
For all non egress exterior doors the 2003 code update allows a 7 3 4 in.
Any other exterior door has a threshold height limited to 7 inches.
This allowance provides some design flexibility.
The bbrs regularly updates the state building codes as new information and technology becomes available and change is warranted.
The u factor requirements discussed above for vertical fenestration also apply to exterior glass doors.
The sections that apply to the replacement of a door or window are building residential existing building and energy.
The door cannot open directly onto a room used for sleeping purposes bedroom and must be one of the following types.
If the door is equal to or less than 50 percent glass it is considered to be an opaque door.
Glass doors by definition in the iecc are considered to be those which are more than 50 percent glass in area.
The replacement of garage doors exterior doors skylights operative and inoperative windows shall be designed and constructed in accordance with chapter 16 of the new code.
Exterior doors in homes and businesses not only provide security but they also serve as a vital means of egress during a fire or other emergency.
And alterations comply with the requirements of this code for a building of like area height and occupancy.
If you are planning to replace a door or window you must first comply with the existing building section.
Building codes for exterior doors.
The florida building code is divided into eight major sections.