Skip to content

03 Fifth Wheels

Park Model RVs Repair For Lake Forest Owners

A park model RV is a towable recreational unit under 400 square feet designed to be sited semi-permanently rather than traveled in, with residential windows, doors and appliances. OCRV Center repairs siding, roofs, decks, floors and structural framing on park models at the Yorba Linda facility for Lake Forest owners.

Park models sit at the boundary between a recreational vehicle and a small building, and repairing them well means being fluent in both. The framing, the siding, the windows and the roofing are residential construction. The chassis, the axles, the low profile plumbing and the tanks are recreational vehicle systems. A general contractor will handle the top half and decline the bottom. An RV shop will handle the bottom half and be unfamiliar with the top. Doing both under one roof is the practical reason owners bring them to us.

The most consequential difference from a travel trailer is that a park model is stationary, which means every water problem has time to develop fully before anyone notices. There is no monthly hitch-up inspection, no seasonal walk around, and often no interior visit for months at a time in a seasonal unit. By the time a problem is reported it has usually reached the floor structure. Our assessment on this type is deliberately invasive, with probe testing at the perimeter and inspection beneath the unit, because a surface survey on a park model tells you very little.

Refinishing a park model is a siding and trim job more than a paint job. Vinyl siding that has gone chalky is replaced rather than painted. Fiber cement and wood siding are repaired, primed and coated with an exterior system chosen for the exposure. Because these units sit in one place for years, the sun-facing elevation is often dramatically different from the shaded one, and matching a repair on the weathered side means finishing that whole elevation rather than a section.

For Lake Forest owners who keep a park model at a coastal or desert resort and drive out to use it, the most valuable service is a scheduled condition inspection rather than a repair. Catching a lifted ridge cap, a separating deck ledger or an unvented skirting condition costs a fraction of what the resulting damage does. When we inspect one we give a written report with photographs and a prioritized list, so the owner can address what matters now and plan the rest.

What goes wrong on these

01

Roof systems that are residential in design and vehicular in exposure

A park model roof is built like a house roof, with sheathing, underlayment and shingles or standing seam metal, but it sits on a structure that was towed at highway speed at least once and that flexes on its supports. Fasteners back out, ridge caps lift, and valleys open where two roof planes meet over a unit that is not perfectly level. Because the roof is pitched, a leak travels a long way before it appears, often showing up in a wall rather than a ceiling. Repair starts with finding the actual entry point rather than resealing where the stain is.

02

Attached decks and awnings that load a wall never designed to carry them

Nearly every sited park model gains a deck, a covered porch or a carport that gets fastened to the unit wall. That wall is a light framed panel on a trailer chassis, not a foundation wall, and it was not engineered to carry a deck ledger. Over time the ledger bolts crush the framing, the deck settles and pulls the wall outward, and water enters at every fastener. The right repair separates the two structures by supporting the deck independently and flashing the connection properly, rather than reattaching to framing that has already failed once.

03

Skirting that traps moisture against the floor structure it was meant to protect

Skirting a park model keeps wind and animals out and, done incorrectly, also keeps moisture in. Without ventilation openings, evaporation from the ground below condenses on the underside of the floor and the frame, and the floor structure rots from beneath while the interior looks perfect. Owners are surprised because there was never a leak. Repairing it means replacing the compromised floor structure, treating and coating the frame, and rebuilding the skirting with proper venting so the same conditions do not return.

04

Units that have to be made roadworthy again after years of sitting

Park models are moved rarely, and when an owner needs to relocate one, the running gear has usually been ignored for a decade or more. Tires have dry rotted, bearings have no usable grease, brake magnets are seized, the coupler has surface corrosion, and in some cases the axles were removed entirely during siting. Making a park model roadworthy is a real project and it is best done well before the move date. We inspect and rebuild running gear, verify frame condition and address anything that would make the unit unsafe to tow.

Damage we see most

  • Shingle and metal roof failure at valleys and around penetrations
  • Vinyl or wood siding damage and water tracking behind it
  • Attached deck ledger separation from the unit wall
  • Residential window flashing failures at the head and sill
  • Floor structure rot at the point where skirting traps moisture
  • Frame corrosion where the unit has sat on soil rather than a pad
  • Loft floor sag in units with a sleeping loft over the living area

Typical ranges on this vehicle

WorkRangeLabor
Camper roof repair and replacement$500 to $14,0003 to 70 hours
Water damage, delamination and soft spot repair$750 to $18,000 and up5 to 80 hours
Flooring and subfloor replacement$500 to $8,5004 to 35 hours
Frame and structural welding$750 to $20,000 and up5 to 80 hours

Planning ranges only. The written figure comes from inspecting the vehicle. See all posted rates.

What we do on a park model rvs

Service

Structural Damage Assessment

Measured survey and written report on body structure, laminate bond, moisture and chassis dimension, with a prioritized repair scope.

Service

Roof Repair and Replacement

Membrane, fiberglass and aluminum roof repair, resealing, recoating and full replacement, including decking repair and every rooftop penetration.

Service

Water Intrusion and Leak Repair

Leak source tracing, moisture mapping, controlled water testing, and structural rebuild of framing, decking and panels that water has reached.

Service

RV Body Panel Repair

Repair and replacement of exterior panels, compartment doors, skirts, moldings and trim on RVs, trailers and commercial bodies.

Service

Flooring and Subfloor Replacement

New floor coverings plus structural deck repair, including soft spot mapping, rot removal and slide room clearance work.

Service

Wall and Ceiling Panel Repair

Interior wall board, ceiling panel and headliner replacement, including water stained panels, bowed walls and insulation work behind the surface.

Service

Custom Fabrication and Welding

One-off brackets, mounts, racks, reinforcements and replacements for discontinued parts, fabricated to measured dimensions in steel or aluminum.

Service

Full RV Paint and Refinish

Complete exterior refinish of a coach or commercial body, from substrate preparation through primer, color and clear in a single continuous pass.

Service

Cabinetry and Countertops

Repair, refacing, refinishing and custom building of RV cabinet boxes, doors, drawers and countertops, plus hardware rated for transit.

Service

RV Electrical Repair

Fault isolation and repair across 12-volt and 120-volt circuits, load centers, transfer switches, converters, grounds and branch wiring.

Service

RV Plumbing and Holding Tanks

Fresh water leak location, pump and fixture service, tank repair and replacement, valve and sensor work, and system sanitation.

Service

Chassis, Suspension and Brakes

Air bag and spring suspension, ride height setting, shocks, bearings, hubs, electric and hydraulic brakes, and leveling system service.

Every vehicle we take or browse by manufacturer.

Bring it to the shop from Lake Forest

Collision, paint, fiberglass, roof, slide and systems work, all performed at the Yorba Linda facility. Tell us the vehicle and what happened and we will schedule intake.

CallRequest Service