Slide-Out Repair / In shop only
RV Slide Seal and Gasket Replacement in Yorba Linda
Slide seals come in three types with three different jobs, and getting the type or the orientation wrong is why so many slides leak after new seals. Replacement runs $400 to $3,000 at 2 to 14 labor hours.
Wiper seals sweep the room surface as it moves. Bulb seals compress when the room is closed. D seals seal the perimeter when it is open. They are not interchangeable and each one has a correct orientation.
A wiper installed backwards channels water inward instead of outward, which is a genuinely common finding on slides that started leaking right after a seal job.
Why does my slide still leak after new seals?
Three usual reasons. The wiper was installed with the lip facing the wrong way, so it directs water into the opening rather than off it. The bulb seal cannot compress evenly because the room or the opening is out of plane. Or the leak was never at the seal, and it is coming from the topper, the roof above the opening or the awning rail.
We check all three rather than fitting seals and hoping. Seals are cheap and the diagnosis is what you are actually paying for.
- Wiper seal lip oriented to shed water outward, not inward
- Bulb seal compression checked evenly across the full perimeter
- D seal seating verified with the room extended
- Room and opening checked for plane before fitting
- Topper sag ruled out as the actual water source
- Roof seam above the opening inspected
How long do slide seals last?
Five to ten years in Southern California, and the limiting factor is ultraviolet exposure and compression set rather than mileage. A slide that sits extended for months at a time takes a permanent set in the bulb seal and stops sealing when it is finally retracted.
That is why destination and long stay coaches need seal attention on a schedule rather than on symptoms.
What Is Included
- 01All three seal types identified and specified correctly for the system
- 02Room and opening checked for plane before fitting
- 03Wiper lip orientation verified against water shedding direction
- 04Bulb compression checked across the full perimeter
- 05Topper and roof above the opening inspected as alternative sources
- 06Water test after fitting
Frequently Asked Questions
How much does RV slide seal replacement cost?
$400 to $3,000 at 2 to 14 labor hours depending on the number of slides and seal types. Mechanical work is at our posted $260 per hour rate.
My slide leaked immediately after new seals were fitted.
Most commonly the wiper was installed with the lip facing the wrong way, which channels water inward. It is a genuinely common finding and it is correctable.
How long do slide seals last?
Five to ten years here, limited by ultraviolet exposure and compression set rather than by mileage. Slides left extended for months take a permanent set considerably sooner.
Can seals fix a slide that is out of plane?
No. A seal cannot bridge an uneven gap. If the room or the opening has moved, that gets corrected first or the new seals leak at the loosest point.
Vehicles We Perform This On
Related Services
We Can Help. Contact Us Today.
Bring the vehicle to our Yorba Linda facility and we will document the damage properly, work directly with your carrier, and give you a written figure built from published rates and real labor hours.
All work is performed at our Yorba Linda facility. We do not offer mobile, roadside or fleet route service.