TL;DR
SINAPI is national, standardized, updated monthly,
mandatory in federal public works. SIDUSCON
is regional, updated by state, brings the CUB and (in some
states) a detailed table, more precise for regional private
works. In complex private works, combine the two.
Core differences
| Aspect | SINAPI | SIDUSCON |
|---|---|---|
| Maintainer | Caixa + IBGE | State union |
| Coverage | National, broken down by state | State-level |
| Detailed compositions | Yes, broad coverage | Variable (some states) |
| CUB | Does not calculate | Calculates monthly |
| Mandatory | Federal public works | No |
| Update | Monthly (30 to 60 day lag) | Monthly |
When to use SINAPI
- Public works (any level of government).
- A client who asks for full transparency and an official reference.
- Complex compositions (structure, advanced plumbing systems).
When to use SIDUSCON
- Private residential works in a state with a detailed table (SC, RS, PR).
- When you need the CUB to estimate the total cost.
- When SINAPI does not have the specific composition you need.
Combining the two
In complex private works: use SINAPI for structure and systems (more detailed compositions), SIDUSCON for finishing and the CUB for the works estimate. The final estimate cites both references, so the client sees technical rigor.
Limify
SINAPI + SIDUSCON on the same platform
Limify integrates both references and lets you choose by composition. More transparency for the client, less manual spreadsheet work for you.
Try it free