What Roofers Find Under Your Old Roof in New Smyrna Beach, Florida

Replacing a roof feels straightforward until the old materials come off. That's when a licensed roofer sees what's actually been holding your home together — and sometimes what they find changes the entire scope of the project. In New Smyrna Beach, Florida, where intense heat, relentless humidity, and annual hurricane threats push roofing systems to their limits, what's hiding under those old shingles can range from minor wear to serious structural problems.

This isn't meant to alarm you. Most substrate and framing issues are entirely fixable. But going into a roof replacement without understanding this layer of the process can leave homeowners surprised by cost adjustments mid-project. Knowing what roofers commonly find — and why — helps you have a more informed conversation with the contractor doing the work.

Why the Substrate and Framing Inspection Matters

Once a roofing crew strips away the old shingles, underlayment, and flashing, the structural skeleton of your roof is exposed for the first time in years — sometimes decades. This is the only moment when a licensed roofer can fully assess the condition of:

• Roof decking (sheathing) — typically plywood or oriented strand board (OSB) panels nailed across the rafters or trusses
• Rafters and trusses — the structural members that give your roof its shape and bear its load
• Hurricane straps and clips — metal connectors that tie the roof framing to the exterior walls
• Fascia and soffit framing — the boards along the eaves that edge the roof system

In Florida, this inspection isn't optional. The Florida Building Code requires that decking and structural connections meet current wind-resistance standards before new roofing materials are installed. A permit-pulling replacement in New Smyrna Beach will trigger an inspection that holds contractors accountable to those standards.

Common Discoveries: Rotten or Soft Decking

Soft, spongy decking is probably the most frequent finding roofers encounter during a tear-off. Roof decking absorbs moisture over time — from minor leaks, poor attic ventilation, or simple condensation driven by Florida's extreme humidity. OSB is especially vulnerable because it swells and delaminate when it gets wet repeatedly.

Roofers typically probe the decking as they walk the stripped surface, marking soft sections with chalk or spray paint. Damaged panels have to be cut out and replaced with new plywood before any new roofing system can go down. Florida's high-wind requirements also specify minimum plywood thickness (typically 19/32" or 5/8"), so older homes with thinner or non-compliant decking may need a full deck replacement regardless of condition.

The cost impact here depends on how much decking needs replacing. A handful of sheets is a relatively modest addition to the project. A large portion of the deck — or a complete re-deck — can add a meaningful amount to the overall job cost.

Damaged or Missing Hurricane Straps

This one surprises many homeowners. Hurricane straps (also called hurricane clips or tie-down connectors) are metal brackets that anchor the roof trusses or rafters directly to the top plate of your exterior walls. They're what keeps your roof from lifting off in high winds.

Homes built before the mid-1990s in Florida — and especially before Hurricane Andrew reshaped the building code in 1992 — were often built with inadequate or no metal connectors at all. During a re-roofing project, a licensed contractor is legally required to bring the roof-to-wall connections into compliance with current Florida Building Code minimums. That means installing or upgrading hurricane straps where they're missing or insufficient.

Even on newer homes, roofers sometimes find straps that were installed incorrectly, are corroded from years of attic moisture, or were damaged during a previous storm. Corroded or bent straps lose much of their rated holding strength.

The good news: upgrading hurricane straps during a planned replacement is far less expensive than having them addressed as a standalone retrofit. It also has real insurance implications — properly documented strap upgrades can positively affect your wind mitigation report and potentially reduce your homeowners' insurance premium. It's worth asking the contractor to photograph the completed connections for your records.

Rotten or Compromised Trusses and Rafters

Truss and rafter damage is less common than decking issues, but it's more serious when it does appear. Long-term water intrusion — from a slow leak around a chimney, skylight, or valley — can rot structural lumber over a period of years while the damage stays completely hidden under roofing materials.

Roofers may find:

• Sections of rot localized around a chronic leak point
• Split or cracked members from storm impact or overloading
• Evidence of prior amateur repairs — sistered boards nailed alongside damaged ones without proper engineering
• Mold or fungal growth on structural lumber in areas with poor attic ventilation

Repairing a rotten rafter typically involves sistering (adding a new structural member alongside the damaged one) or, in more extensive cases, bringing in a structural carpenter to rebuild a section of framing. If mold is present, remediation steps are needed before new materials go over it.

This is also a moment where storm damage from a previous hurricane or severe wind event may become visible for the first time — damage that was patched cosmetically on the outside but never addressed structurally.

Substandard or Non-Compliant Previous Work

Florida's roofing history includes plenty of unpermitted repairs and cut-rate work, especially in the wake of major storms when demand for contractors outpaces supply. Roofers sometimes pull off old materials and find:

• Mismatched or undersized decking materials mixed across the roof
• Improper nail patterns that don't meet code
• Missing or wrong-type underlayment installed in a previous re-roof
• Flashing that was caulked rather than properly lapped and sealed

All of this has to be corrected before new materials go on if the project is being pulled with a permit — which it should be.

How Unexpected Findings Affect Your Project Cost

Reputable contractors handle this transparently. Before work begins, your contract should spell out the per-sheet cost for decking replacement and an hourly or flat rate for framing repairs. That way, when the crew marks out soft panels on day one, you're not negotiating pricing under pressure — you already know the rate.

Some findings (a few bad decking panels) add a modest amount. Others (a large section of rotten framing, a full re-deck, or extensive strap installation) can represent a significant addition to the original estimate. This is normal and not a sign of contractor dishonesty — it's simply the nature of working on a system that couldn't be fully assessed until the old materials were removed.

Getting a free inspection before you commit to a full replacement is one way to catch obvious red flags early. An experienced roofer can often spot signs of moisture damage, sagging decking, or attic ventilation problems before the tear-off even begins.

Don't Skip the Structural Layer

The shingles get all the attention, but the substrate and framing underneath are what actually protect your home in a Florida storm. A new roof installed over compromised decking or missing hurricane straps isn't the investment it appears to be — and it may not pass inspection anyway.

Read more guides on what to expect during a roof replacement, or explore our service areas to see where New Smyrna Roof Co connects homeowners with licensed local contractors.

If you're planning a replacement and want to understand exactly what your roof is working with underneath, call us today. New Smyrna Roof Co can connect you with a licensed local roofer in New Smyrna Beach who will walk the job properly, document what they find, and give you a clear picture of the full scope — before work begins.