Updated : 04/22/2024
St. Louis, MO has adopted the 2018 International Codes, with amendments, including the 2018 IRC (for one- and two-family dwellings) and IBC. St. Louis, MO Muni. Code § 25.11.010 (IRC adopted) and § 25.01.010 (IBC adopted).
Helpful resources for St. Louis, Missouri include the following.St. Louis 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.2018 IRC(St. Louis, MO Chapter 25.11 - RESIDENTIAL CODE)
...Editor's Note: Ord. No. 70795 , adopted July 6, 2018, adopting the 2018 International Residential Code for One- and Two-family Dwelling; with amendments, including Appendices E, F, G, H, J, K, M, R, S, and T, repealing and replacing Ordinance No. 68789. Ord. No. 68789, adopted Nov. 8...
Drip Edge: no
TABLE R301.2(1)
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
| GROUND SNOW LOAD | WIND DESIGN | SEISMIC DESIGN CATE- GORY g | SUBJECT TO DAMAGE FROM | WINTER DESIGN TEMP f | ICE SHIELD UNDER-LAYMENT REQUIRED j | FLOOD HAZARDS h | AIR FREEZING INDEX j | MEAN ANNUAL TEMP k | |||
| Speed d (mph) | Topo- graphic effects k | Weathering a | Frost Line Depth b | Termite c | |||||||
| 20 | 90 | NO | C | Severe | 30 inches | Moderate to Heavy | 2° F | Not Required | July 17, 1979 | 1500 days | 54° F |
| Last Name | First Name | Title | Phone | Note | |
|---|---|---|---|---|---|
| Building Division | 314/622-3313 |
St. Louis, MO has adopted the 2018 IRC including appendices E, F, G, H, J, K, M, R, S, and T. St. Louis, MO Muni. Code § 25.11.010 (IRC adopted).
Drip edges are required only when specified in accordance with the shingle manufacturer's warranty.
Change Section R905.2.8.5 to read as follows:
R905.2.8.5
Drip Edge. A drip edge shall be provided at eaves and rake edges of shingle roofs where required as a condition of the shingle manufacturer's warranty. Adjacent segments of drip edge shall be overlapped not less than 2 inches. Drip edges shall extend not less than ¼ inch below the roof sheathing and extend up back onto the roof deck not less than 2 inches. Drip edges shall be mechanically fastened to the roof deck at not more than 12 inches o.c. with fasteners as specified in Section R905.2.5. Underlayment shall be installed over the drip edge along eaves and under the drip edge along rake edges.
St. Louis, MO Muni. Code § 25.11.020 (IRC amendments).
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.
St. Louis, MO has adopted the 2018 IRC including appendix J. St. Louis, MO Muni. Code § 25.11.010 (IRC adopted).
The city also adopted the 2018 IPMC with amendments. St. Louis, MO Muni. Code § 25.32.010 (IPMC adopted).
St. Louis adopted the 2018 IBC, statewide. 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.See Muni. Code(St. Louis, MO Municipal Code)
...Adoption not found...
St. Louis, MO has adopted the 2018 IBC including appendices E, F, G, H, I, and J. St. Louis, MO Muni. Code § 25.01.010 (IBC adopted).
St. Louis, MO has adopted the 2018 IEBC with amendments. St. Louis, MO Muni. Code § 25.20.010 (IEBC adopted).
The city also adopted the 2018 IPMC with amendments. St. Louis, MO Muni. Code § 25.32.010 (IPMC adopted).
St. Louis, MO also adopted the following codes:
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