Standards & Quality
Standardised. No DATec.
AFDC panels are pre-tensioned precast in Group I (NBR 8953), governed by 9 NBR standards and ready for public financing. A conventional system — not 'innovative'. No DATec, no semestral audits.
Get the Technical JustificationNormative framework
Nine NBR standards. Group I. Zero DATec.
There is no normative gap that would classify it as 'innovative'. The system as assembled — panels, connections and joints — is fully covered by ABNT.
The 9 applicable standards
Exempt from DATec — permanent validity.
Innovative systems (LSF, PVC+concrete) have no prescriptive ABNT standard: they need DATec renewed every 2 years plus semestral audits. AFDC is standardised — exempt from DATec, permanently valid while the standards hold.
Standardised × Innovative (e.g. LSF)
| Criterion | AFDC (standardised) | Innovative (LSF) |
|---|---|---|
| Normative base | NBR 6118, 8953, 9062, 14861, 16475 | Requires DATec (SINAT) |
| Validity | Permanent | 2 years, renewable |
| Audits | Not required | Semestral (ITA) |
| Fire safety | Non-combustible · EI ≥ 30 min | Depends on plasterboard · steel fails ~550 °C |
| Thermal mass | ≈ 148 kJ/(m²·K) · 5× higher | < 30 kJ/(m²·K) |
Declaration of normative conformity
A Fábrica das Casas declares that WALL90, FLOOR120 and profiles are pre-tensioned precast concrete elements of Group I (NBR 8953), fully covered by the Brazilian normative framework, exempt from DATec and ready for MCMV across all bands.
MCMV · Caixa · SINAPI
Ready for public works. Across every band.
Group I, no DATec, MCMV/Caixa-ready in bands 1 to 4. Public-works budgeting is backed by law — even though SINAPI has no composition for extruded pre-tensioned panels.
Bands 1 · 2 · 3 · 4
Why SINAPI has no AFDC composition — and why that's no obstacle
SINAPI holds compositions for conventional systems (masonry, in-situ concrete). There is none for extruded pre-tensioned precast panels — a limit of SINAPI's scope, not of the product. The law foresees exactly this case:
Decree 7.983/2013 · Art. 5
Permits proprietary cost-reference systems, with technical justification.
Decree 7.983/2013 · Art. 6
Authorises market-research pricing when SINAPI has no specific composition.
Decree 7.983/2013 · Art. 8
Authorises a specific analytical composition, with technical justification by a qualified professional.
Law 14.133/2021 · Art. 23 §1
Confirms price research as a legitimate cost-estimation method.
The Technical Justification, ready for your estimator.
AFDC supplies the SINAPI Technical Justification Report — legal basis, analytical compositions and a documentation checklist — to include the products in a reference budget. Sent tailored, over WhatsApp.
Performance · NBR 15575
Calculated to the standard.
The indicators below are calculated per the NBR 15575 methodology, from the real hollow-core section. They are technical estimates — laboratory testing is planned.
Thermal capacity
WALL90
≈ 148 kJ/(m²·K) +14%
FLOOR120
≈ 208 kJ/(m²·K) +60%
vs min. 130 (zones 1–7)
Fire safety
Classe A1
Reaction to fire
- WALL90 · resistance
- EI ≥ 30 min
- FLOOR120 · resistance
- REI ≥ 60 min
Dimensional precision
±2 mm
in the factory
±4 mm
on site
Indicators calculated per NBR 15575 · to be confirmed by laboratory test · testing planned.
Acoustics — what we say honestly.
The insulation estimate (Rw) is conservative and compatible with NBR 15575 for common uses. But party walls (between units) require Rw ≥ 45 dB: a single WALL90 wall may need a complementary solution (double wall or acoustic lining), sized by the designer. Acoustics to be confirmed by test.
Risk eliminated
The 6 most-litigated pathologies. Eliminated by design.
Not by stricter inspection — by design. Structural warranty is moving from 5 to 10 years (PL 4749); here, exposure drops because the failure can't occur.
Cracks
Variable mortar, poor curing, settlement
Low water/cement ratio (less shrinkage) + a monolithic panel held in compression by the prestress, with no mortar joints.
Leaks
Joint and render failure
Very low water/cement ratio → dense, low-permeability concrete that drastically reduces the ingress of water and chlorides. Joints sealed with elastic PU foam, no mortar joints.
Missing lintels
Omitted by the bricklayer over openings
Floor-to-ceiling panel with the opening cut in the factory — the lintel is inherent to the panel. It can't be omitted.
Render cracking
Irregular mix and thickness of render
There is no render: the surface comes out smooth, industrial. Nothing to crack.
MEP damage
Chasing for wiring/plumbing weakens the wall
Conduits and pipes run through the panel's hollow cores — no chasing, no breaking, no damage to the structure.
Dimensional drift
Blocks ±4 mm, hand-laid
Factory extrusion at ±2 mm tolerance — dimensional stability the site can't reach.
Mould & mildew — far less susceptible.
Mould needs three things: organic food, trapped moisture and a neutral surface — the AFDC panel denies all three. The concrete is inorganic (no nutrient for fungi, unlike painted render, plasterboard and wood), alkaline (pH ~12–13, hostile to fungi) and dense, with low absorption and a smooth surface (it neither holds moisture nor offers a pore to take hold). That makes it far less susceptible to mould than rendered, painted masonry. It is not mould-proof — persistent surface dirt and moisture can still cause mildew, and the pH protection fades as the surface carbonates over the years — but it starts from an incomparably better baseline.
Talk to the factory
How much is your project losing without seeing it?
Request a quote or schedule a visit to the factory in Pecém, 60 km from Fortaleza.
The factory · Pecém — São Gonçalo do Amarante, CE