Dormitory fire codeInternational Fire Code, Section 805Checked October 28, 2026

Cushioned seats on college dormitory decks and balconies must stay under 80 kW in a fire test, the International Fire Code says

On dormitory decks, porches and balconies, the International Fire Code requires new upholstered seats to pass cigarette and 80 kW heat-release tests. The 2024 edition sets the rule, and the 2027 edition keeps the same text.

Limits for upholstered furniture, Section 805.4.1

Peak heat release: 80 kWASTM E1537 or California TB 133, on the whole item
Total heat, first 10 minutes: 25 MJSame test
Cigarette char: 1.5 inNFPA 261, or Class I under NFPA 260
Label: RequiredFrom an approved agency

Fig. 1 The code caps a burning seat at a peak of 80 kW. The burner that lights the test runs at 19.3 kW.

Peak rate of heat release, in kilowatts, from Section 805.4.1.2 of the 2024 International Fire Code. Burner output and the newspaper comparison from ASTM E1537-22: 13 liters a minute for 80 seconds. Both checked October 28, 2026.

Section 805 of the International Fire Code (IFC), the model fire code that states and cities adopt with their own amendments, sets fire tests for newly introduced upholstered furniture in college and university dormitories, and it extends that rule outdoors. The 2024 edition says:

“The requirements of Sections 805.4.1 through 805.4.2.3 shall apply to college and university dormitories classified in Group R-2, including decks, porches and balconies.”
2024 International Fire Code, Section 805

A cushioned lounge chair on a residence hall balcony must resist ignition by a cigarette, release no more than 80 kilowatts (kW) of heat at its peak in a full-scale burn test, and carry a label from an approved testing agency. The 2027 IFC, which the International Code Council has posted on its Digital Codes site, keeps the same text. Both editions were checked October 28, 2026.

The flammability guide covers the federal standard, the other settings in Section 805 and the tests for tents and cabanas. This note covers dormitory decks and what a buyer has to ask for.

1The rule has three parts, and the sprinkler exception covers only the heat limits

The dormitory rule has three parts.

Table 1 Only the two heat release limits carry a sprinkler exception

Requirement	Test	Limit in the code	Sprinkler exception
Cigarette ignition	NFPA 261 on a mock-up of the cover and filling	Char length no more than 1.5 inches	None
Cigarette ignition (alternative)	NFPA 260 on the components	Class I	None
Peak heat release	ASTM E1537 or California TB 133 on the whole item	No more than 80 kW	Spaces protected by an NFPA 13 system under Section 903.3.1.1
Total heat release	ASTM E1537 or California TB 133 on the whole item	No more than 25 MJ in the first 10 minutes	Spaces protected by an NFPA 13 system under Section 903.3.1.1
Label	Label of an approved agency	Confirms the cigarette and heat release results	None

Requirements for newly introduced upholstered furniture in college and university dormitories, including decks, porches and balconies, under Section 805.4.1 of the 2024 and 2027 International Fire Code, checked October 28, 2026.

The smolder test

The first part is a smolder test. Under NFPA 261, a lab places a lit cigarette on a mock-up of the cover and filling and measures the char, which may run no more than 1.5 inches. NFPA describes NFPA 261 as a way to measure how resistant those mock-ups are to smoldering cigarettes. The alternative, NFPA 260, tests the components and classes them, and the code accepts Class I.

The open-flame test

The second part is an open-flame test of the whole item. ASTM E1537 burns a complete piece of furniture under a propane burner and measures the rate of heat release, which ASTM calls the most important result because it shows how intense the fire becomes. A kilowatt here measures how fast the burning item gives off heat, and a megajoule (MJ) measures the total heat it gives off. The code allows a peak of 80 kW and a total of 25 MJ in the first 10 minutes.

ASTM says a burner flow of 13 liters a minute for 80 seconds, equal to 19.3 kW, approximates five crumpled sheets of newspaper burning on the seat cushion. The standard says it does not apply to ignition by cigarettes, the case the first test covers.

The label

The third part is the label of an approved agency confirming both results. The IFC defines an approved agency as a testing, inspection or certification organization that the fire code official has approved.

The code also accepts California Technical Bulletin 133 for the heat release test. California repealed TB 133 effective January 22, 2019, according to SGS, a testing company.

2Section 805 puts Group R-2 dormitories beside three institutional settings

The IFC defines a dormitory as a space with group sleeping accommodations for people who are not members of the same family, under joint occupancy and single management, and it names college dormitories and fraternity houses as examples.

Fig. 2 Section 805 lists dormitories with three institutional settings, and a student apartment complex can fall outside it

Listed in Section 805

Group R-2 College and university dormitories, including decks, porches and balconies
Group I-1, Condition 2 Facilities
Group I-2 Occupancies and ambulatory care facilities
Group I-3 Detention facilities

Outside Section 805

Student apartments An apartment complex leased to students that is not classified as a dormitory
Hotel pool deck

Outside the federal rule

16 CFR Part 1640 Covers seating furniture “intended for indoor use,” so a chair sold as outdoor furniture can fall outside it

Settings named in Section 805 and the definition of dormitory in Chapter 2 of the 2024 International Fire Code; scope of the Consumer Product Safety Commission’s 16 CFR Part 1640. Checked October 28, 2026.

The rule applies to “newly introduced” furniture. Chapter 8’s scope says existing buildings must meet Sections 803 through 808, so a replacement order for a 30-year-old residence hall is covered the same way as furniture for a new one.

16 CFR Part 1640, the Consumer Product Safety Commission’s flammability rule for upholstered furniture, defines its subject as seating furniture “intended for indoor use.” A chair sold as outdoor furniture can fall outside the federal rule and still be covered by Section 805 on a dormitory balcony.

3The heat release exception names only NFPA 13 systems under Section 903.3.1.1

Both heat release limits carry an exception for upholstered furniture in rooms or spaces protected by an approved automatic sprinkler system installed under Section 903.3.1.1, which is the NFPA 13 standard. The cigarette test and the label have no exception.

Some residential buildings use a different system. Section 903.3.1.2 lets Group R buildings of four stories or fewer above grade plane, within set height limits, install sprinklers under NFPA 13R, the residential standard. In a 13R building, Section 903.3.1.2.1 calls for sprinklers on exterior balconies, decks and ground-floor patios of dwelling and sleeping units in Type V construction with a roof or deck above, and in one other construction case. The heat release exception in Section 805 names only Section 903.3.1.1.

Table 2 The cigarette test and the label apply on every dormitory deck, whatever its sprinklers

Where the seat goes	Cigarette ignition test	Heat release limits	Agency label
Dormitory balcony or deck protected by an NFPA 13 system	Required	Exception applies under the code text	Required
Dormitory balcony or deck in a building with an NFPA 13R system	Required	The exception names NFPA 13 systems only; ask the fire code official	Required
Dormitory porch or deck with no sprinkler protection	Required	Required	Required
Patio of an apartment building that is not a dormitory	Not covered by Section 805	Not covered by Section 805	Not covered by Section 805

How the Section 805.4 requirements read for upholstered seating in four settings, from the text of the 2024 IFC, Chapter 9 and Chapter 8, checked October 28, 2026. The adopted local code and the fire code official decide each case.

4In the example, 20 of the 80 pieces exceed a limit

This example uses round numbers and describes no real product or campus. A university orders 80 pieces of upholstered seating for the balconies and a ground-floor porch of a residence hall. The porch has no sprinkler protection. The supplier sends ASTM E1537 reports for each model, and every model has passed NFPA 260 at Class I.

Fig. 3 In the example, two of four models exceed the 80 kW peak, and one also exceeds the 25 MJ total

Chaise with a 4-inch pad, peak 90 kW. Over the 80 kW peak limit. Its total of 20 MJ is within the 25 MJ limit.
Deep-seating sofa, peak 120 kW. Over the 80 kW peak limit.
Deep-seating sofa, total 30 MJ. Over the 25 MJ total limit.

Worked example with round numbers, not real products: peak rate of heat release in kilowatts and total heat in the first 10 minutes in megajoules, ASTM E1537, by model. Each panel’s scale puts its limit at the same height. Limits from Section 805.4.1.2 of the 2024 International Fire Code.

The 40 dining chairs and 20 lounge chairs meet both limits and can go anywhere in the building, the porch included, provided they carry the agency label. The 10 chaises pass the 25 MJ total but peak at 90 kW, and the 10 sofas exceed both limits.

Fig. 4 A quarter of the example order, 20 pieces, can go only where the NFPA 13 exception applies

One square for each piece in the worked example’s order of 80. Meets both Section 805 limits. Exceeds at least one. Round numbers, not real products.

Those 20 pieces, a quarter of the order, can go only where the fire code official accepts the NFPA 13 exception. On the unsprinklered porch they need to be swapped for passing models, or the maker needs to change the filling or cover and retest.

Table 3 Test results for the four example models, against the Section 805 limits

Item	Quantity	Peak heat release (kW)	Total heat in first 10 minutes (MJ)	Peak limit (kW)	Total limit (MJ)	Result
Cushioned dining chair	40	40	10	80	25	Meets both limits
Cushioned lounge chair	20	60	15	80	25	Meets both limits
Chaise with a 4-inch pad	10	90	20	80	25	Over the peak limit
Deep-seating sofa	10	120	30	80	25	Over both limits

Example test results for four upholstered models on a dormitory order. Round numbers, not real products. Limits from the 2024 International Fire Code. Download the data (CSV)

5What to ask before you order

Ask the campus fire marshal or the local fire code official which edition of the IFC the jurisdiction has adopted, whether it amended Section 805, and whether the balconies and porches on your building count as protected under Section 903.3.1.1.
Ask the supplier for the NFPA 260 or NFPA 261 report and the ASTM E1537 report for each upholstered model, with the peak kW and total MJ figures, and confirm that the product will ship with the approved agency’s label.
Check that the report covers the cushion, cover and filling actually on the order. A change of fabric or foam can change the result.
Keep the reports with the purchase file, since the rule applies again each time furniture is replaced.

Caveats

The IFC is a model code. It has force only where a state or city adopts it, and an adopting jurisdiction may amend Chapter 8 or keep an older edition. This note describes the text of the 2024 and 2027 editions and does not say how any jurisdiction applies it. Whether a sling or strap seat with a thin pad counts as upholstered furniture is a question for the fire code official. The example’s test results are invented to show the arithmetic. For a decision on a particular building, the fire code official and the project’s code consultant are the people to ask.