# Soft Spot and Water Damage Repair: Cost, Hours and Process in Hacienda Heights Soft spot repair addresses a wet core inside a laminated sidewall or floor. The soft feel is luan and foam that used to carry load having lost strength to water. Repair means opening the laminate, cutting back to sound material, drying it, and rebuilding the core before the skin goes back down. ## Specifications - Price band: $750 to $18,000 plus - Shop hours: 5 to 80 plus hours - Turnaround tier: Structural - Insurance billable: yes - Parts lead time: Luan, block foam, framing stock and adhesive in stock, 15 to 40 business days for laminated panel stock if the skin does not survive removal - OEM brands: Alpha Systems, Filon, Crane Composites, Lippert, ITW Plexus, West System ## A soft spot is a wet core and the core is the structure When a laminated wall or floor feels soft, the thing that has changed is not the fiberglass. It is the layer behind it. Luan plywood is one eighth inch thick and it is the layer the adhesive actually grips, and wet luan first swells, then delaminates into plies, then loses almost all of its strength. Block foam absorbs less water but crushes once the luan around it stops holding shape. Aluminum tube framing corrodes at the joints and wood framing goes soft, and either one changes from structure into filler. So a soft spot is not a symptom of a problem elsewhere. It is the structure reporting that it is no longer structure. That is why we treat this category as structural work rather than as a repair to a wall covering, and why a soft spot on the floor in front of a slide is worth acting on immediately: the slide rides on that floor, and a slide running on a dropping floor damages its own mechanism as well. It is also why the honest first step is finding the boundary rather than quoting the visible area. Water travels along the path of least resistance, which in a laminated wall means down the inside face of the skin and then sideways along the wall to floor joint. The soft area you can feel is reliably smaller than the wet area, sometimes by a lot. ## Where the water got in, ranked by how often we find it There is a short list and it barely changes. The window frame flange is first: a window is a hole in the wall held in by a flange over butyl, the butyl hardens with age, and the lower corners of the opening are where water enters and where the wall below them goes soft. Second is the slide flange and slide seals, because a slide is a large moving opening and the seals are wear items with a real service life. Third is the awning rail, which is a long horizontal fastener line high on the wall, so anything getting past it has the entire wall height to travel down through. Fourth is marker lights and any accessory somebody screwed to the wall without butyl behind it. Fifth is the lower wall to floor joint itself, from road spray and from standing water in a storage lot. Sixth, and this is the one that has to be separated carefully, is the roof. Water entering at a roof penetration runs across the decking, drops down inside the wall cavity and pools at the floor, and the owner feels a soft floor and assumes a plumbing leak. Where the origin is a roof penetration, the roof work and the decking belong to /rv-roof-repair, and the sidewall laminate and floor laminate rebuild belong here. We write both so the sequence is right, because closing a wall under a roof that still leaks is work you pay for twice. - Window frame flange and hardened butyl at the lower opening corners - Slide flange, slide seals and the slide floor transition - Awning rail fastener line high on the sidewall - Marker lights and owner added accessories fastened without butyl - Wall to floor joint, from road spray and standing water in storage - Roof penetrations, where the sidewall is the destination rather than the origin ## Sidewall and floor laminate, not roof decking Two pages on this site cover water damage and they do not overlap, so it is worth being explicit about which one you are on. This page is the sidewall laminate and the laminated floor: the luan, foam core and framing behind an exterior fiberglass skin, and the floor sandwich the coach sits on. Roof decking is a different assembly with a different repair. The membrane, the plywood or luan deck beneath it, the rafters and the ceiling panel are covered at /rv-roof-repair/subfloor-and-water-damage-restoration, and that page also carries the subfloor work that follows a roof leak because the two are one scope when the origin is above. The practical rule at intake is origin. If the water came in at the roof, the roof program owns the job and this page is a line inside it. If the water came in through a window, a slide, an awning rail or the lower wall, this page owns it and the roof is not involved. Where a coach has both, and a surprising number do, we write two scopes rather than one blended number, because they sequence differently and a carrier may adjust them differently. ## Cutting to sound material, drying, and rebuilding the core The repair begins with a boundary, established with a moisture meter on a grid against a dry baseline taken on the same coach, plus a physical probe where a panel is already open. Then the laminate is opened. On a sidewall that usually means working from inside, removing the interior panel and cabinetry, because it preserves the exterior skin and the exterior finish. On a floor it means lifting flooring and cutting the top skin. Wet luan comes out to sound material, not to the edge of the soft area. Foam that has crushed or shrunken comes out. Framing gets inspected member by member, and where an aluminum tube has corroded through at a joint or a wood stud has gone punky it is replaced or scarfed rather than sistered over, because a sister over rot is a repair with a rotting core inside it. Then the coach dries. This is the stage owners find hardest to accept because nothing visible happens: the cavity gets managed airflow, sometimes for several days, and is read again before anything is bonded. Adhesive does not bond to damp luan and foam does not bond to damp anything, so closing early produces a wall that fails at the bond line within two seasons. It is also why this cannot be done in a storage lot, where humidity and temperature are whatever the weather says they are. Rebuild is new luan, new core, fresh structural adhesive at the specified spread rate, and clamp or vacuum pressure across the whole area while it cures. Interior panel and cabinetry go back after, and that reconstruction is quoted as interior work so you can see the two scopes separately. ## Hours, drying time and why the calendar runs past the labor The band on this page runs from a contained soft area under a single window at the low end to a full side of the coach with framing replacement at the top, and it is open ended because the wet boundary genuinely varies that much. Labor is $210 per hour across five to eighty plus hours. Materials are luan, block foam, framing stock and adhesive, all in stock, plus laminated panel stock at 15 to 40 business days if the exterior skin does not survive removal. Calendar is longer than labor on almost every one of these, and drying is why. Three to eight weeks is normal, and a meaningful share of that is a coach sitting open with air moving through it while a meter comes down to baseline. There is no accelerant for that which does not damage the adjacent material. On the insurance side, cause decides everything. A sudden event, a struck window, a slide seal torn by debris, is typically covered. Years of hardened butyl at a window flange is normally treated as maintenance. The middle case, where a covered event opened a path and intrusion followed, is won or lost on documentation, so we photograph the moisture grid, the open cavity and the framing condition and write the cause per area rather than as one line. The last thing worth saying plainly: on some coaches the answer is not to do this work. A unit with a soft floor on both sides, delamination on two walls and a roof at end of service can total past what it is worth, and we will show you the whole number in writing before you authorize the first stage of it rather than after the third. ## Not included - Roof decking and the floor damage caused by a roof leak are scoped at /rv-roof-repair/subfloor-and-water-damage-restoration rather than here. - We do not close a wall or floor that still reads wet. Drying is a stage with its own calendar and it is not skipped. - We do not perform laminate work at a customer location. Managed drying and adhesive cure both need a controlled bay. ## Questions **How much does it cost to fix a soft spot in an RV wall or floor?** The band on this page is open ended because the wet boundary drives it. A contained area below one window with dry framing runs five to twenty hours plus materials. A full side with corroded framing and floor involvement runs eighty plus hours. Labor is $210 per hour. The teardown estimate reads moisture on a grid and produces the actual number, credited against an authorized repair. **Is the soft area the same size as the water damage?** No, and assuming so is the most common costly mistake on this job. Water runs down the inside face of the skin and then sideways along the wall to floor joint, so the wet area is reliably larger than the area you can feel, sometimes by several feet. That is why we read on a grid against a dry baseline before quoting rather than measuring the soft patch. **Is this the same as the subfloor restoration page?** No, and the difference is origin. This page is sidewall laminate and laminated floor: the luan, foam and framing behind an exterior fiberglass skin, where the water came in at a window, slide, awning rail or lower wall. Roof decking and the subfloor damage that follows a roof leak are at /rv-roof-repair/subfloor-and-water-damage-restoration. Coaches with both get two scopes so they sequence correctly. **Why does drying take days when the repair is only a few hours of work?** Because adhesive will not bond to damp luan and foam will not bond to damp anything. A cavity that reads wet gets managed airflow until a meter comes back to the dry baseline for that coach, and on a wall that has been wet for two seasons that is days rather than hours. Closing early gives you a wall that looks finished and fails at the bond line inside two seasons. **Will my carrier pay for water damage in the sidewall?** Cause decides it. A sudden event such as a struck window or a slide seal torn by road debris is typically covered. Years of hardened butyl at a window flange is normally treated as maintenance. Where a covered event opened the path and intrusion followed, documentation carries the claim, so we photograph the moisture grid, the open cavity and the framing and write cause per area. **At what point is a water damaged coach not worth repairing?** When the envelope is failing in more than one place at once. A single wet wall on a coach with a sound roof, sound floor and good interior is usually worth doing. Soft floor on both sides, delamination on two walls and a roof at end of service frequently is not. We put the whole number in writing before you authorize the first stage rather than discovering it at the third. --- Source: https://ocrv.club/rv-fiberglass-repair/soft-spot-and-water-damage-repair OCRV Center, 23281 La Palma Ave, Yorba Linda, CA 92887 Phone (949) 799-3387. Email info@ocrvcenter.com. Serving Hacienda Heights and the surrounding area. 18.4 miles, 24 to 38 minutes via SR-60 west to Fullerton Rd, then south to La Palma Ave. In shop work only. All estimates are priced and credited against an authorized repair.