Updated : 04/22/2024

Overview

Algonquin, Illinois, adopted the 2018 International Residential Code (IRC), with amendments. Algonquin, IL, Muni. Code § 23.02 (adoption) and § 23.03 (amendments). Algonquin, Illinois, adopted the 2018 International Building Code (IBC), with amendments. Algonquin, IL, Muni. Code § 23.04 (adoption) and § 23.05 (amendments). Algonquin, Illinois, adopted the 2018 International Existing Building Code (IEBC), with amendments. Algonquin, IL, Muni. Code § 23.17 (adoption) and § 23.18 (amendments). 

Helpful resources for Algonquin, Illinois include the following.

• PLRB, Ordinance and Law Coverage Discussion for Illinois

Residential Building Code

Illinois has yet to adopt a statewide residential code. Local laws will control.See PLRB, Illinois Building Codes for more information on state level codes.

Algonquin adopted the 2018 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

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Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Algonquin ? Yes
Citation: Algonquin, IL, Muni. Code § 23.03 (amendments).
Municipal Code https://www.algonquin.org/egov/documents/1643402138_92272.pdf#page=5
Comments:

Table R301.2(1), insert the following:  

Ground Snow Load 30 pounds per square foot  

Wind Speed (three second gust) 115 mph 

Topographic effects No 

Special Wind Region No 

Windborne Debris Zone No 

Seismic Design Category B 

Weathering Severe Frost Line Depth 42 inches minimum below grade 

Termite Moderate 

Winter Design Temperature -4 degrees Fahrenheit  

Ice Barrier Underlayment Required  Yes 

Flood Hazards reference Flood Insurance Rate Map for Algonquin   11/16/2006 & Chapter 44 

Air Freezing Index 1745 

Mean Annual Temperature 47.8 degrees Fahrenheit 

Elevation 700 

Latitude 42.251264 

Winter Heating -4 degrees Fahrenheit 

Summer Cooling 89 degrees Fahrenheit 

Altitude correction factor 0.0 

Indoor design temperature 72 degrees Fahrenheit 

Heating temperature difference 76 degrees Fahrenheit [72-(-4)]  

Cooling temperature difference 14 degrees Fahrenheit [89-75]  

Wind velocity heating 8.4 miles per hour 

Wind velocity cooling 5.7 miles per hour 

Coincident wet bulb 74 degrees Fahrenheit 

Daily range M 

Winter humidity 30% 

Summer Humidity 50% 

Comments

Algonquin, Illinois, adopted the 2018 International Residential Code (IRC), with amendments. Algonquin, IL, Muni. Code § 23.02 (adoption) and § 23.03 (amendments).

Section R313.2 One- and two-family dwellings automatic fire sprinkler systems shall be deleted in its entirety. 

 

Existing Buildings

Existing buildings, meaning buildings that were built in accordance to code at the time of construction, typically merit extra consideration in a current updated code.

Algonquin, Illinois, adopted the 2018 International Existing Building Code (IEBC), with amendments. Algonquin, IL, Muni. Code § 23.17 (adoption) and § 23.18 (amendments).

Commercial Building Code

Algonquin adopted the 2018 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

Auto Search - beta:

No results were located with the automated search.

Comments

Algonquin, Illinois, adopted the 2018 International Building Code (IBC), with amendments. Algonquin, IL, Muni. Code § 23.04 (adoption) and § 23.05 (amendments).

 

Existing Buildings

Algonquin, Illinois, adopted the 2018 International Existing Building Code (IEBC), with amendments. Algonquin, IL, Muni. Code § 23.17 (adoption) and § 23.18 (amendments). 

Other Building Codes