Building, Planning and Zoning
Department
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Laura Ruckebeil, Director,
(847) 872-3846 ext. 268
Requirements for Construction
Garages / Accessory
Buildings
A. Attached and Built-in Garages
- 1. Construction same as required
for dwelling.
- 2. If door opening occurs between
garage and dwelling, provide 6" curb at the service door,
or construct garage floor 6" lower than adjoining floor.
- 3. Installation of house heating
unit or other fuel burning appliance in garage space not permitted.
Install one hour fire-rated partition between space containing
house heating unit and garage space. Doors are not permitted
common to heater room and/or garage.
- 4. There shall be no opening
from a private garage directly into a room used for sleeping
purposes. Other openings between the garage and the residence
shall be equipped with solid wood core doors not less than 1
3/4 inches in thickness or equivalent. The garage shall be completely
separated from the residence and its attic area by means of 5/8
inch (1 hour) gypsum board or equivalent applied to the garage
side. Garage floor surface shall be of approved noncombustible
materials.
- 5. Hot air heat duct openings
shall be a minimum of 4' over floor of garage with a fusible
link fire damper. Cold air returns are not permitted.
-
B. One-Story Frame Detached
Garages and Accessories Buildings:
- 1. Comply with construction
requirements for one-story dwellings with the following exceptions:
- a. Foundation walls and footing
may not be less than 18" below finish grade, 6" minimum
thickness at the top and may be flared to not less than 12"
at the bottom.
- b. Grade beam construction permitted
consisting of a 4" concrete floor or a minimum 4" of
crushed stone, sand or gravel poured monolithically with a minimum
10" thickness outer edge a width of 12" around perimeter
of building, said 12" grade beam to be of equal depth and
on undisturbed soil.
- c. Studs, maximum spacing 16"
O.C. Doubling of studs not required on jambs of openings less
than 3.5" wide.
- d. Corner post may be 2"
x 4" or one 4" x 4".
- e. Top plate may be single,
provided rafters occur directly over studs and plate at corners
is lapped to provide tie.
- f. Rafter ties at eaves not
less than 2" x 4", maximum spacing 6' O.C.
- g. Concrete floor, minimum 4"
of concrete on minimum 4" of crushed stone, sand or gravel
reinforced with 6" x 6" wire mesh.
-
C. One Story Solid Masonry
or Masonry Veneer Detached Garages and Accessories Buildings:
- 1. Comply with construction
requirements for one story dwellings with the following exceptions:
- a. Combined foundation wall
and footing is allowed provided it goes down 42" below grade
and the bottom is flared to 16". Wall with shall be wide
enough to support wall above but in no event less than 8"
minimum width.
- b. Brick veneer framing may
comply with 315-B
*** Inspections are always on a 24 Hour notice basis. Inspection
requests are taken at the Building Department (847) 872-3846
ext 268, Monday through friday from 8:00 a.m. to 5:00 p.m.
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