RV Slide-Out Repair & Slide Floor Replacement

Slide-out floor rot is the most common serious slide problem we see, and the one owners notice last. Water sits along the bottom edge of the slide room, the decking swells, and eventually the floor stops carrying load.

If there is rot in a slide floor, the floor gets replaced. All of it. There is no patched version of this repair that lasts, so we do not offer one. The slide is supported on a lift and the floor comes out from underneath. The room itself stays on the RV, and the work is done on site.

Slide-out work we take on

Full slide floor replacement — the room stays on the RV
Full slide floor removal and replacement on site
Slide-out adjustment, alignment and lubrication
Motor, gear and drive mechanism repair
Slide seal and wiper replacement
Leveling jack, landing gear and leveling system service

The early warning signs

A soft or spongy patch where the slide floor meets the main floor. Staining along the bottom edge on the outside. A slide that has started to drag, hesitate, or sound different going in and out.

None of those signs mean a smaller job — the floor is replaced either way. What they mean is that whatever is letting the water in gets dealt with sooner, and that you schedule the work rather than discover it on a trip.

One thing we do not do: we are an RV service company, not a chassis shop. Brakes, bearings, axles, suspension and tires are outside what we take on — we would rather point you to someone who does that work every day.

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*One hour minimum labor charge required with all service calls. Contact us for current labor rates.

Slide-out floor rot, and what fixing it properly takes

The most common serious slide-out problem we see, and the one owners spot last. Water sits along the bottom edge of the slide room, the decking swells, and eventually the floor stops holding. Three of them below. All three were total floor replacements, because any rot means the whole floor.

Living room slide — Solitude fifth wheel, Burnet

The slide supported and the floor taken out from underneath. The room itself never leaves the RV, and the whole job happens where the coach is parked. Burnet, TX.

The old subfloor exposed inside the living room slide of a Solitude fifth wheel — **The old floor, from inside**The living room slide with the flooring lifted. The staining across the subfloor is the water that caused it, and it reaches well past the edge where the damage first showed.

The slide supported on a material lift with the old floor removed from underneath — **Supported, floor out**Held on a material lift while the old floor comes out from underneath. The room stays on the RV throughout, and the whole job happens where it is parked.

The old slide floor out from under the room and set down outside — **The old floor, out**Out from under the slide, where the full extent is finally visible — and where the frame above it can be inspected properly before anything new goes back.

The replacement slide floor cut to the factory panel on sawhorses — **New floor cut on sawhorses**Fresh decking cut to match the factory panel on sawhorses, rather than measured by eye in place. Everything that follows depends on this being right.

The new slide floor coated and sealed on both faces before installation — **Sealed before it goes near the RV**Coated and sealed on both faces first. Sealing it afterwards, in place, only ever gets the top — and the underside is the face that rots.

The new floor fitted into the living room slide, seen from the far end — **New floor in**Fitted, square and carrying load. The slide room itself never came off the RV — only the floor was replaced, and it was done where the coach was parked.

The completed slide floor from the opposite end, ready for flooring — **Ready for flooring**The same floor from the other end of the room, ready for the finished flooring to go back over the top.

Main slide — Radiance travel trailer, South Texas

The same job on a main slide, in two photographs: the bracing that goes in before anything is allowed to come out, and the finished floor from underneath.

A main slide braced and supported before the old floor is removed — **Supported before anything comes out**The slide is braced and carried before any of the floor is cut loose. Get this wrong and you damage the room and the opening as well as the floor — which is the part of this job that is worth paying someone to get right.

The new slide floor from underneath, coated and sealed, with the drive rack refitted and the wiring not yet reinstalled — **The new floor, from underneath**The finished underside, coated and sealed, with the drive rack back on — photographed before the trim and the wiring went back. The underside is the face that takes the water, so it is the face worth looking at.

Bedroom wardrobe slide — Castroville

A third coach and the same job: rot in the floor, so the whole floor was replaced.

The soft bottom edge of a wardrobe slide crumbling under a thumb — **The edge comes away in your hand**Once the bottom edge is soft enough to crumble, the structure under it has already taken water. This is past being a sealant problem.

Rot running the length of the bottom edge of the wardrobe slide — **It runs the length of the room**Rot follows the water. By the time it shows at one corner it is usually along the whole bottom edge, which is why we check the full run before quoting.

The subfloor inside the wardrobe slide, rot confined to a strip along the edge — **The subfloor, from inside**Flooring lifted and the deck exposed.

The rotted strip of subfloor being cut out along the edge — **The old deck**All of it goes. There is no version of this where part of the old floor stays in.

The repaired edge sealed and closed up — **New deck in and sealed**Sealed and closed back up.

Three coaches, three different slides, three complete floor replacements — all done with the room still on the RV.

What to watch for: a soft or spongy patch where the slide floor meets the main floor, staining along the bottom edge outside, or a slide that has started to drag or sound different going in and out. Those are the signals worth calling about.

Finding it early does not make the floor repairable — it is replaced either way. What it changes is that whatever is letting the water in gets dealt with sooner, and that you pick the date instead of the RV picking it for you. If yours feels soft underfoot, this season rather than next.

Common Questions

Slide-Out Repair FAQ

Water getting in along the bottom edge of the slide room, usually past tired seals or a poorly sealed edge. The decking absorbs it, swells, and loses strength. Because it starts underneath and at the edges, most owners do not see it until the floor already feels soft.

No. If there is rot in a slide floor, the whole floor is replaced — every time. We do not patch them and we will not quote you a partial one. It costs more on the day, and it is the only version of this repair worth paying for.

No. We replace the floor, not the room. The slide is braced and supported on a lift, the old floor comes out from underneath, and the new one goes back in — with the room still on the RV. All of it happens wherever the RV is parked.

Walk it in bare feet. A soft or spongy patch where the slide floor meets the main floor is the earliest thing most owners can actually feel. Also look for staining along the bottom edge outside, and listen for a slide that has started to drag or sound different.

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