Updated : 11/11/2024

Overview

Alcoa, Tennessee, adopted the 2018 International Residential Code (IRC), including Appendices E, H, and J, with amendments. Alcoa, TN, Muni. Code § 12-201 (adoption) and § 12-202 (amendments). Alcoa, Tennessee, adopted the 2018 International Building Code (IBC), including Appendices A and B, with amendments. Alcoa, TN, Muni. Code § 12-101 (adoption) and § 12-102 (amendments). For Alcoa, Tennessee, no local adoptions and no local amendments of an existing building code were located.

Helpful resources for Alcoa, Tennessee include the following.

• Jurisdiction's Information Page(s):
  • Alcoa, Tennessee Home Page
  • Alcoa, Tennessee Planning and Codes
  • Alcoa, Tennessee Municipal Code
• 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.

Alcoa 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

The IRC requires drip edge flashing in section R905.2.8.5 and the state legislature did not amend this section. TN ADC 0780-02-23-.02(1)(a).

Ice Barrier

Are ice barriers required for Alcoa ? No
Citation: § 12-202(13)
Municipal Code https://www.mtas.tennessee.edu/system/files/codes/alcoa-t12_0.pdf#page=11
Comments:

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

Insert “10 PSF” in the table for Ground Snow Load.

Insert “90” in the table for Wind Speed.

Insert “No” in the table for topographic effects.

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.”

Alcoa, TN, Muni. Code § 12-202(13) (amendments).

Government Officials

Comments

Alcoa, Tennessee, adopted the 2018 International Residential Code (IRC), including Appendices E, H, and J, with amendments. Alcoa, TN, Muni. Code § 12-201 (adoption) and § 12-202 (amendments).

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.

Per their website, Alcoa, TN, adopted the 2018 IRC, including Appendix J. Alcoa, TN, Muni. Code § 12-201 (adoption) and § 12-202 (amendments).

For Alcoa, Tennessee, no local adoptions and no local amendments of an existing building code were located, therefore section 101.4.7 of the IBC would apply.

Commercial Building Code

Alcoa 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

Alcoa, Tennessee, adopted the 2018 International Building Code (IBC), including Appendices A and B, with amendments. Alcoa, TN, Muni. Code § 12-101 (adoption) and § 12-102 (amendments).

Existing Buildings

For Alcoa, Tennessee, no local adoptions and no local amendments of an existing building code were located, therefore section 101.4.7 of the IBC would apply.

Other Building Codes