Board Governance & Components

Concrete & Structural Repair Reserve Planning

Concrete and structural components are the highest-stakes items in any reserve plan — the ones whose failure isn't just expensive but potentially catastrophic. The 2021 Surfside collapse was, at root, a concrete-and-structural failure, and it reshaped reserve law nationwide. For condo buildings especially, getting structural reserves right is the most important reserve-planning task there is. Here's how to approach it.

General information, not engineering advice — structural assessment requires a licensed engineer.

Why These Components Are Different

Most reserve components — paint, paving, roofing — fail gradually and visibly, and their failure is costly but not dangerous. Structural components are different:

• Failure can be catastrophic, not merely expensive — the stakes include safety, not just budget
• Deterioration is often hidden — corrosion inside concrete, behind finishes, or below waterproofing can advance for years unseen
• Repairs are expensive and disruptive — structural work is among the costliest reserve items
• They're increasingly regulated — the post-Surfside wave of SIRS and milestone inspection laws specifically targets structural components

This is why structural components belong at the center of reserve planning, especially for multi-story condos, and why states now mandate that structural reserves be funded and non-waivable.

The Core Problem: Rebar Corrosion and Spalling

The most common serious concrete problem is corrosion of the reinforcing steel (rebar) embedded in concrete:

• Water and chlorides (especially salt) penetrate the concrete and reach the rebar
• The steel corrodes and expands, cracking the surrounding concrete
• The concrete cracks, flakes, and breaks away — called spalling
• Left unaddressed, this progressively weakens the structure

Spalling is accelerated dramatically by salt exposure, which is why coastal and oceanfront buildings — Honolulu, Miami-Dade, the Florida Keys, Myrtle Beach — face the most aggressive structural deterioration. But freeze-thaw climates damage concrete too, through a different mechanism (water freezing and expanding inside the concrete).

Other Structural Concerns

Beyond rebar corrosion, structural reserve planning may involve:

• Post-tension cable systems — used in some concrete construction; corrosion or failure of these cables is a serious, specialized concern
• Balcony and elevated-element structures — the focus of laws like California's SB 326; wood-supported balconies are especially vulnerable to rot (balcony/deck planning)
• Parking structures — concrete decks exposed to water, salt (from cars in snowy climates), and load
• Foundations and slabs — especially in expansive-soil areas where soil movement stresses structures
• Building envelope and waterproofing — failures here are what let water reach the structure, making waterproofing a structural-protection issue

Why You Need an Engineer

Structural reserve planning is the area where professional expertise matters most. A reserve study's visual component inventory is a starting point, but assessing actual structural condition — the extent of hidden corrosion, the integrity of post-tension systems, the urgency of repairs — requires a licensed structural engineer. The post-Surfside milestone inspection laws exist precisely because visual assessment isn't enough for structural safety. For older buildings and any building showing signs of distress, an engineering assessment is essential, not optional. (Structural integrity reserve studies.)

Planning Structural Reserves

1. Make structural the priority — these are the highest-stakes components; fund them first
2. Get engineering assessment — visual inventory isn't enough for structural condition
3. Treat salt and freeze-thaw as accelerators — coastal and cold-climate buildings deteriorate faster
4. Don't defer — hidden structural deterioration compounds dangerously and expensively
5. Comply with inspection mandates — milestone and SIRS-type laws where they apply, and incorporate findings into reserves
6. Protect the structure — fund waterproofing and envelope maintenance that keeps water away from the structure
7. Fund non-waivably where required — many states now prohibit waiving structural reserves

The Surfside Lesson

The Surfside collapse made the stakes unmistakable: documented structural deterioration plus deferred repairs plus underfunded reserves can end in tragedy, not just assessment. The reserve-law changes that followed — non-waivable structural reserves, mandatory inspections — codify a hard-learned lesson. For boards, the takeaway is that structural components are categorically different: defer paint and you have peeling paint; defer structural repair and you risk lives. Fund them accordingly. (The Surfside legacy.)

The Bottom Line

Concrete and structural components are the highest-stakes items in any reserve plan — their failure can be catastrophic, their deterioration is often hidden, and they're now heavily regulated. Make them the priority, get a licensed engineer's assessment rather than relying on visual inventory, treat salt and freeze-thaw as accelerators, and never defer. The associations that fund structural reserves seriously — especially coastal condos — protect not just their budgets but their residents' safety. For the structural reserve study itself, see Structural Integrity Reserve Studies.