Broward County Certificate of Competency 20-WD-21968-X
What does it mean when water pools inside the sliding door track during heavy rain?
A straight answer for Broward County homeowners, then what you can check yourself and when to call. Free estimate: (954) 906-1715.
In almost every case it means the track's weep holes are blocked, so water the sill is supposed to drain back outside has nowhere to go. The track under a sliding glass door is designed to catch wind-driven rain and send it out through small slots in the exterior face of the sill; when grit, sand, salt crust, mulch or insect debris plug those slots, the water stands in the channel instead.
A thin film of water in the track during a hard Broward downpour is normal — the sill is a gutter, not a dam. It becomes a real problem when the water stands for hours, rises above the inside lip, or shows up on the floor, baseboard or drywall inside.
Why it happens
Sliding doors are tested and rated to resist a certain amount of water under pressure, and the sill's drainage is part of that system. Our rainy season from May through October brings near-daily wind-driven rain that pushes water horizontally into the track faster than a partly blocked sill can clear it.
Beyond clogged weeps, three other things cause standing water. Worn rollers let the panel sag so it no longer presses evenly against the weatherstripping; compressed or brittle weatherstripping and interlock fins let water past at the meeting stile; and failed sealant where the sill meets the slab or the jambs lets water sit and wick under the frame.
Salt air and grit along the coast and the Intracoastal wear tracks, rollers and fasteners faster, and a door that drags is often the same door that leaks. Outside conditions matter too — if the patio or pool deck has settled, or a drain is slow, water can pond against the sill and simply rise into the track.
What you can check yourself
Find the weep holes
Look along the exterior face of the sill for small slots or covered flaps near the bottom. If you can't see daylight through them, they're likely blocked.
Clear and flush the track
Vacuum the channel, then pour a cup of water in and watch for it to exit outside. A stiff brush or a thin plastic pick will clear most debris; avoid driving anything metal into the drainage path.
Check how the panel sits
Slide the door slowly and watch for dragging, grinding or a gap at the top or bottom when it's closed. Uneven contact with the weatherstripping is a roller or alignment issue.
Inspect the seals and sealant
Press the weatherstripping at the meeting stile and jambs — if it's flattened, torn or crumbling, it isn't sealing. Look for cracked or missing sealant where the frame meets the slab and jambs.
Look at the outside grade
After a storm, check whether water ponds on the patio against the door instead of draining away. Standing water outside the sill will find a way in no matter how clean the track is.
When to call a pro
Call when water still stands after the track is clean, when it reaches the floor, baseboard or drywall, or when you see swollen trim, staining or a musty smell near the opening. The same goes for a door that drags, jumps the track, or won't latch fully — a door that doesn't close tight won't seal against wind-driven rain, and it's also the one you want locking properly during hurricane season.
Roller, track, weatherstripping and glass repairs in a sound frame usually need no permit. A full sliding glass door replacement does: it needs a product approved for the High-Velocity Hurricane Zone — usually a Miami-Dade NOA — plus a permit from your city's building department, inspection and a closed-out permit; verify the specifics with your city's building department. We hold Broward County Certificate of Competency 20-WD-21968-X for windows, doors, shutters and garage doors, and we work in Broward County only.
Sliding Glass Doors work is done under Broward County Certificate of Competency 20-WD-21968-X (windows, doors, shutters & garage doors).
What a pro will do
- Clear and test the drainageOpen the weeps, flush the sill and confirm water exits to the exterior under a hose test rather than pooling in the channel.
- Replace rollers and re-hang the panelNew rollers and a proper height adjustment let the panel sit square and press evenly on the seals, which stops both dragging and most leaking at the stile.
- Renew weatherstripping and sealantReplace worn weatherstripping and interlock seals, and reseal the sill and jamb joints so water stops wicking under the frame.
- Repair locks, handles and screensA latch that fully engages pulls the panel tight to the frame; we also handle handles, latches and screen door repair or replacement.
- Replace the door when the frame is doneIf the sill or frame is corroded or rotted through, we install an impact-rated slider approved for the HVHZ, pull the permit, schedule the inspection and close it out.
Related questions
- Does standing water in the track mean I need a new sliding door?
- Usually not. Blocked weeps, worn rollers and failed weatherstripping are repairs in a sound frame. Replacement is the answer when the sill or frame itself is corroded, rotted or distorted so it can no longer be sealed.
- Can water in the track damage my floor?
- It can, if it overflows the inside lip or sits long enough to wick under the frame. Swollen baseboards, lifting flooring edges, staining or a musty smell near the opening are signs water has already moved past the sill.
- Will an impact-rated slider leak less in wind-driven rain?
- Impact-rated doors are tested for wind pressure and water infiltration as a unit, so a new approved door installed correctly typically handles wind-driven rain better than a worn one. Drainage still has to stay clear — weep holes need cleaning on any door.
- Does a new sliding glass door count toward my wind-mitigation form?
- Opening protection is one of the categories on Florida's uniform mitigation verification form OIR-B1-1802, and protection is evaluated across all openings, so an unprotected opening elsewhere still matters. Florida law requires insurers to offer discounts for wind-loss-mitigation features (s. 627.0629, Florida Statutes); a licensed inspector completes the form, and we don't do those inspections. You can use the free Wind Mitigation Credit Checker on this site to see where you stand.
- What drives the cost of fixing a leaking slider?
- Panel size and weight, how many panels there are, access to the opening, whether rollers, seals, glass or the whole frame are involved, and what's found once the sill is opened up. A replacement also carries permit and inspection work. We'll give you a free estimate — call (954) 906-1715.
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