Leaving Fort Myers for the Summer? Your Snowbird Sliding Door Checklist

Before you leave your Fort Myers home for the summer, lock and secure every sliding door, clear the tracks and weep holes so nothing pools, check the weather seals so humid air stays out, and set your AC or dehumidifier to hold indoor humidity under 60%. Your sliding doors are the biggest, weakest opening in the house — and the one most likely to let in moisture, mold, storms, or intruders while you’re gone. Here’s the full checklist.

Why your sliding doors are the snowbird weak point

A Fort Myers home sits empty through the hottest, wettest, most storm-prone months of the year. From the McGregor Boulevard historic district to the Gateway communities off Daniels Parkway, seasonal residents come back in the fall to the same avoidable problems — and a shocking number of them start at the sliding door. It’s the largest glass opening in the house, it faces the lanai and the weather, and if its seal or lock is compromised, everything else you did to protect the home is undermined.

The snowbird sliding-door checklist

1. Humidity is the enemy — start there

An empty, sealed Fort Myers home in July is a mold incubator. Local utility guidance for seasonal residents is to keep the AC running modestly (around 80°F) and hold indoor humidity below 60%, often with a dehumidifier set near 58%, ideally one unit per ~1,000 square feet. But that only works if the house is actually sealed — and the biggest leak point is a sliding door with a flattened or cracked weather seal. If humid outside air is seeping past a bad seal, it condenses on cool interior surfaces and feeds mold all summer (the same surface-condensation problem we explain in our sliding door condensation guide). Check your seals before you go; if they’re worn, our weather seal replacement closes the gap.

2. Make sure the door actually closes and latches

Here’s the problem we see every fall: a homeowner “locked up” before leaving, but the door had sagged on worn rollers and never seated flush. For six months, humid air and even wind-driven rain leaked through the gap. If your sliding door drags, lifts, or won’t latch without a shove, fix it before you leave — see off-track repair or lock & handle repair. A door that doesn’t seal makes the humidity and security steps meaningless.

3. Clear the tracks and weep holes

Summer is our rainy season — daily downpours for months. If the weep holes (the drainage slots on the outside of the bottom track) are clogged with sand and pollen, water backs up in the track and sits there, breeding mold and corroding the rollers. Vacuum the track, clear each weep hole, and wipe everything dry before you go. Five minutes now saves a rusted-out roller job later — and it’s the same routine in our full Fort Myers sliding door maintenance schedule.

4. Lock down for security

Vacant seasonal homes are a target, and sliding doors are a favorite entry point because a worn latch can be jimmied or the panel lifted out of its track. Before you leave:

• Engage the main latch and a secondary lock or foot bolt.
• Drop a security bar or dowel in the track so the door can’t be forced open.
• Add anti-lift screws in the top track so the panel can’t be lifted out.

We walk through all of these in our how to secure a sliding glass door guide.

5. Get storm-ready before hurricane season

Atlantic hurricane season runs June 1 to November 30 — the exact window most snowbirds are away. Your sliding doors are the most vulnerable surface in a storm. If you have impact doors, make sure they’re in good repair; if you rely on shutters or panels, confirm they’re on hand and functional before you go. Our hurricane prep guide for Lee County covers what to check, impact sliding door repair handles anything that needs attention first, and our impact door maintenance guide keeps hurricane-rated doors in spec.

Short-term rental or home-watch? Same rules, higher stakes

If your Fort Myers place is an Airbnb or vacation rental between stays, or a home-watch service checks on it, these same door issues cost you money directly — a mold claim, a storm loss, or a break-in on a vacant property. Have the doors serviced once before the season so they seal, glide, and lock reliably all summer. If you own in an HOA community, our HOA sliding door repair guide covers who’s responsible for what.

Leave with peace of mind

We offer a pre-season sliding-door check for seasonal residents across Fort Myers, Cape Coral, Bonita Springs, Estero, and the beaches — seals, rollers, tracks, weep holes, and locks inspected and repaired in one visit, with a written estimate up front, so your doors are sealed and secure while you’re up north. Call (239) 474-3800.

Frequently asked questions

How do I keep my Fort Myers home from getting mold while I’m away for the summer?

Keep the AC running around 80°F and hold indoor humidity below 60%, often with a dehumidifier set near 58%. Just as important, make sure the house is sealed — a worn sliding-door weather seal lets humid air leak in and condense, which is a leading cause of mold in vacant seasonal homes. Check and replace worn seals before you leave.

Should I lock my sliding doors before leaving my Florida home for months?

Absolutely, and go beyond the main latch. Vacant homes are targets, and sliding doors are a common entry point. Engage a secondary lock, drop a bar in the track, and add anti-lift screws so the panel can’t be lifted out. Confirm the door latches flush first — a sagging door never fully locks.

What should snowbirds check on their sliding doors before leaving?

Confirm every door closes flush and latches, clean the tracks and clear the weep holes so summer rain drains, inspect and replace worn weather seals, lock and bar each door for security, and make sure impact doors or shutters are storm-ready for hurricane season. Servicing worn rollers or locks beforehand prevents most fall surprises.

Can a bad sliding door seal really cause problems while I’m gone?

Yes. A flattened or cracked weather seal lets Fort Myers’ 90% summer humidity leak into a closed-up home, where it condenses on cool surfaces and feeds mold for months. A door that won’t seat flush does the same. Both are worth fixing before you leave.

Is it better to leave the AC on or off when I leave my Florida home for the summer?

Leave it on, set modestly. Running the AC around 80°F (or a dehumidifier holding humidity under 60%) keeps moisture from building up in a sealed, vacant home, which is what causes mold and musty odors. Turning it off entirely in a Fort Myers summer invites both.