Updated : 04/22/2024

Overview

Maryville, TN has adopted the 2018 International Codes, with amendments, including the 2018 IRC (for One and Two Family Dwellings) and IBC. Maryville, TN Muni. Codes § 12-1101 (IRC adoption), § 12-1102 (IRC amendments), § 12-101 (IBC adoption) and § 12-102 (IBC amendments).

State regulations may not permit the adoption of a code less stringent than the codes adopted by the state. For the most accurate information please check with the local building department. See the Tennessee state overview. Link to Tennessee Building Codes.

Helpful resources for Maryville, Tennessee include the following.

• PLRB, Ordinance and Law Coverage Discussion for Tennessee

Residential Building Code

Tennessee adopted a statewide mandatory residential code that will control; however, local governments are free to make laws more strict (with some limitations).See PLRB, Tennessee Building Codes for more information on state level codes.

Maryville 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 Maryville ? No
Citation: § 12-1102
Municipal Code https://www.mtas.tennessee.edu/system/files/codes/MARYVILL_T12_0.pdf#page=35
Comments:

Table R301.2 (1) Climatic and Geographic Design Criteria.

Insert "10 PSF" in the table for Ground Snow Load.

Insert "115" in the table for Wind Speed.

Insert "No" in the table for Topographic Effects.

Insert "No" in the table for Special Wind Region.

Insert "No" in the table for Windborne Debris Zone.

Insert "C" in the table for Seismic Design Category.

Insert "Severe" in the table for Weathering.

Insert "12 inches" in the table for Frost Line Depth.

Insert "Moderate to heavy" in the table for Termite.

Insert "19 degrees Fahrenheit" in the table for Winter Design Temp.

Insert "No" in the table for Ice Barrier Underlayment Required.

Insert in the table for Flood Hazards: "(a) "December 7, 1971 is the date for City of Maryville's entry into the National Flood Insurance Program; (b) September 19, 2007 is the date of the Flood Insurance Study, and, (c) the effective FIRM panels are 0119, 0120, 0137, 0138, 0139, 0143, 0232, 0234, 0235, 0251, 0252, 0253, 0254, 0255, and 0275 dated September 19, 2007".

Insert "210" in the table for Air Freezing Index.

Insert "59.4" in the table for Mean Annual Temp.

Insert "980 feet" in the table for Elevation.

Insert "35° North" in the table for the Latitude.

Insert "1 go F" in the table for Winter Heating.

Insert "90° in the table for Summer Cooling.

Insert "0.97" in the table for Altitude Correction Factor. 

Insert "70° F (Heat)" in the table for Indoor Design Temperature.

Insert "75° F – 70° F" in the table for Design Temperature Cooling.

Insert "51° Fin the table for Heating Temperature Difference. 

Insert "15° – 20° F" in the table for Cooling Temperature Difference.

Insert "15 mph" in the table for Wind Velocity Heating.

Insert "7.5 mph" in the table for Wind Velocity Cooling.

Insert "74° F" in the table for Coincident Wet Bulb.

Insert "Medium" in the table for Daily Range.

Insert ''70° db no visible condensation" in the table for Winter Humidity.

Insert "50% @ 75° db" in the table for Summer Humidity.

Government Officials

Comments

Maryville, TN has adopted the 2018 IRC including appendices E, H and J. Maryville, TN Muni. Code § 12-1102.

"Automatic residential fire sprinkler systems shall not be required to be install in townhouses in the City of Maryville. Installation of automatic fire extinguishing systems in townhouses shall be optional."

"Automatic residential fire sprinkler systems shall not be required to be install in one- and two-family dwellings in the City of Maryville." 

Maryville, TN Muni. Code § 12-1102.

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.

Maryville, TN has adopted the 2018 IRC including appendix J. Maryville, TN Muni. Code § 12-1102.

Commercial Building Code

Maryville 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.

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Comments

Maryville, TN has adopted the 2018 IBC including appendices A and B. Maryville, TN Muni. Code § 12-101.

Existing Buildings

Maryville, TN did not adopt the IEBC, therefore Chapter 34 of the IBC would apply.

Other Building Codes