Roof framing type
Structural framing system supporting the roof (e.g., wood truss, rafter, steel, concrete). Known or imputed for 3.8 million addresses — 3.2% of the addresses Faraday knows.
At a glance
- Coverage today
- 3.2%
- Typical coverage
- 3.2%
- Addresses with a value
- 3.8M
- Share in largest category
- 67.3%
- Most values come
- from the address
- Latest collection
- May 1, 2026
How the categories split
n = 3,810,590Share of addresses in each category. 26 categories, of which the 20 largest are shown, with 67.3% in the largest.
Every category
26 categoriesThe chart above draws the 20 largest. Search here for one it does not.
- Wood67.34%2,566,132 addresses
- Masonry24.55%935,632 addresses
- Concrete4.20%159,886 addresses
- Steel0.98%37,530 addresses
- Fire Resistant0.83%31,480 addresses
- Concrete-Wood0.49%18,812 addresses
- Metal0.46%17,373 addresses
- Fireproof Steel0.30%11,603 addresses
- Masonry-Steel0.28%10,712 addresses
- Aluminum Frame0.17%6,314 addresses
- Wood Joist0.09%3,339 addresses
- Wood Truss0.07%2,786 addresses
- Fireproof0.07%2,528 addresses
- Reinforced Concrete0.07%2,509 addresses
- Wood Frame0.04%1,467 addresses
- Pre Fab0.02%847 addresses
- Bar Joist & Rigid Frame0.01%524 addresses
- Bowstring0.01%227 addresses
- Bar Joist0.01%208 addresses
- Custom0.01%193 addresses
- Wood Beam0.00%162 addresses
- Concrete-Steel0.00%119 addresses
- Truss/Joist0.00%94 addresses
- Bar Joist & Wood Deck0.00%60 addresses
- Prestress Concrete0.00%52 addresses
- Wood On Steel0.00%1 addresses
Category shares over time
Wood67.3% (largest)The 5 largest categories, each followed across 12 collections. Estimated from a 1% sample of addresses.
Coverage
Latest collection: 98,683,954 addressesCoverage by state
Percentage of addresses in each state with a value.
Coverage over time
3.2% todayShare of addresses holding a value at each monthly snapshot. A value carries forward for one year.
How we arrive at a value
Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.
- On the person — 0%
- Not used for this attribute — no value is inherited this way.
- From address — 100%
- Carried from what we know about the household at their address.
- From geography — 0%
- Not used for this attribute — no value is inherited this way.
Coverage, in context
Where 3.2% sits on the catalog’s own coverage range.
Higher coverage than 10% of address-level attributes in the catalog
Freshness
How recently this was collected, and how often a new collection arrives. Each bar is the number of addresses in that collection. Gaps are real — collection is periodic, not continuous.
Change between collections
The share of addresses whose category changed.
of addresses changed value between the two most recent collections — 176.9× steadier than the catalog median of 13.5%.
Contribution ledger
17 ingestions
1 authority contributed since Jul 2023.
| Observed | Ingested | Count | ID |
|---|---|---|---|
| 2026-05-01 | 2026-07-01 | 125,639,012 | f9d55800… |
| 2026-04-01 | 2026-07-01 | 121,548,788 | 178f88a6… |
| 2026-03-01 | 2026-07-01 | 72,154,489 | a1e715b0… |
| 2026-02-01 | 2026-07-01 | 121,865,620 | b70b01b3… |
| 2026-01-01 | 2026-07-01 | 120,035,058 | 2786571a… |
Technical details
- API name
- roof_framing_type
- Category
- fig/property
- Type · unit
- Text
- Statistical type
- nominal
- Allowed values
- null
- Derivations
- Unspecified
- Directionality
- null
- Deprecation
- false
In a payload
{
"attributes": {
"roof_framing_type": "Wood"
}
}