Category: Maintenance & Ownership

  • Understanding RV Slide Support Rollers: What Inspectors Look For and When to Be Concerned

    One of the most valuable parts of a professional RV inspection isn’t simply finding defects. It is determining whether an observed condition is actually a defect in the first place.

    A good example is the support roller system found beneath many RV slide-outs.

    During inspections, buyers are often surprised when we point out slide support rollers that appear worn, slightly deformed, or not fully contacting the slide floor. At first glance, these conditions can look concerning. However, appearance alone does not always tell the full story.

    Understanding how slide support systems work helps explain why some findings deserve immediate attention while others may simply be characteristics of the design.

    What Are RV Slide Support Rollers?

    Many modern RV slide-outs use support rollers mounted beneath the slide room. These rollers help support the weight of the slide as it moves in and out and reduce stress on the slide floor structure.

    Depending on the manufacturer and slide design, a slide room may have:

    • Two support rollers
    • Three support rollers
    • Multiple rollers positioned at specific load points

    In many bedroom slide-outs, a three-roller arrangement is common, with one roller near each side and another positioned near the center of the room.

    Why a Center Roller May Not Always Touch

    One of the more common questions we encounter involves center support rollers that appear to have little or no contact with the slide floor during inspection.

    Many RV owners assume that every roller should be carrying equal weight at all times. In reality, slide systems are often designed differently than people expect.

    During discussions with manufacturers regarding this condition, we learned that some center rollers are intended to function as supplemental supports rather than primary load-bearing rollers. Their purpose may be to provide additional support when weight is applied to the slide room rather than carrying a constant load under all conditions.

    As a result, it is not uncommon to observe a center roller that has minimal contact, or even no visible contact, with the slide floor when the slide is unloaded.

    For that reason, roller contact alone is not sufficient evidence of a defect.

    What About Flattened or Deformed Rollers?

    Another condition occasionally observed during inspections is slight roller deformation.

    Rollers may develop:

    • Minor flattening
    • Compression marks
    • Surface wear patterns

    These conditions can occur over time as rollers support the weight of the slide room and its contents.

    The presence of minor deformation does not automatically indicate a failed component. Instead, inspectors look for additional evidence that may suggest a developing problem.

    When Does Roller Wear Become a Concern?

    Rather than focusing on roller appearance alone, inspectors evaluate the entire slide system.

    Conditions that deserve closer evaluation may include:

    • Rollers digging into the slide floor
    • Damage to the underside of the slide room
    • Visible floor compression
    • Excessive floor sagging
    • Uneven slide movement
    • Binding during operation
    • Abnormal wear patterns that continue to worsen over time

    When multiple indicators appear together, further investigation is often warranted.

    Why Context Matters

    This is one reason RV inspections require more than a simple checklist approach.

    Two RVs may display the same visual condition, yet one may represent normal design behavior while the other may indicate a developing issue.

    Inspectors must consider:

    • Slide design
    • Manufacturer specifications
    • Operational performance
    • Evidence of structural movement
    • Overall condition of the slide system

    A finding that appears unusual at first glance may ultimately be normal, while a subtle wear pattern can sometimes provide an early warning of future problems.

    The Value of a Professional Inspection

    Our goal is not simply to identify every irregularity we see. Our responsibility is to determine which observations represent normal characteristics, which deserve monitoring, and which may indicate a legitimate concern.

    Slide support rollers provide a good example of why experience matters.

    Understanding how a system is intended to function helps buyers make informed decisions and prevents unnecessary concern over conditions that may be completely normal.

    When evaluating an RV, context is often just as important as the condition itself.

    That is one of the reasons a comprehensive RV inspection remains one of the best investments a buyer can make before purchase.

  • How Often Should You Inspect an RV Roof? Complete Maintenance Guide

    Quick Answer:
    Most RV owners should inspect their roof at least 4–6 times per year, plus after severe weather and before storage or long trips.

    For many RV owners, the roof is one of the most important parts of the RV, and one of the most neglected.

    Most owners understand that the roof should be inspected occasionally, but many are unsure how often they should actually climb up there. The answer depends on how the RV is used, where it is stored, and the environmental conditions it experiences throughout the year.

    A better question may be:

    Are you getting on the roof often enough to identify small problems before they become expensive repairs?

    Why is an RV roof inspection so important?

    The roof is continuously exposed to sunlight, rain, wind, tree debris, temperature changes, and environmental contaminants. Over time, these conditions affect roofing materials, sealants, vent covers, skylights, antennas, air conditioners, solar installations, and other roof-mounted components.

    Many water intrusion issues begin as small sealant failures that may not be visible from the ground.

    A thorough roof inspection often identifies concerns before they become leaks.

    How often should you inspect an RV roof?

    While every owner’s situation is different, many RV owners benefit from inspecting the roof:

    • At the beginning of the camping season
    • Before long trips
    • After severe weather events
    • Before placing the RV into storage
    • After extended storage periods

    For RVs stored outdoors year-round, more frequent inspections may be appropriate.

    Not All RV Roofs Are the Same

    Different roofing materials have different maintenance needs.

    Fiberglass Roofs

    Fiberglass roofs are common on many higher-end motorhomes and fifth wheels.

    Advantages include:

    • Durable surface
    • Resistant to punctures
    • Long service life

    Maintenance generally includes:

    • Regular cleaning
    • Inspection of sealants and roof penetrations
    • Occasional polishing or treatment as recommended by the manufacturer

    For routine cleaning, many owners successfully use mild automotive wash soaps or baby shampoo mixed with water. These products are generally gentle on fiberglass finishes and rinse clean when used properly.

    Avoid harsh cleaners, abrasive compounds, or products that may damage gelcoat finishes.

    Thermoplastic Roofs (TPO and PVC Systems)

    Thermoplastic roofing systems are widely used across the RV industry and include both TPO (Thermoplastic Polyolefin) and newer PVC-based membrane systems. While the formulations differ, they operate similarly from an inspection and maintenance standpoint.

    TPO roofs remain the most common thermoplastic roofing system in RV construction. PVC membranes are a more recent variation used by some manufacturers, sometimes as a direct alternative or as part of updated roofing designs.

    From an inspection perspective, both systems share the same core maintenance focus:

    Advantages include:

    • Lightweight construction
    • UV resistance
    • Relatively low maintenance

    Maintenance should focus on:

    • Removing debris
    • Cleaning the roof surface
    • Inspecting seams and sealants
    • Checking roof penetrations

    Mild RV-specific roof cleaners are typically recommended for both materials.

    While PVC formulations may vary slightly by manufacturer, the most important inspection principle remains consistent:
    long-term issues almost always develop at seams, penetrations, and transition points rather than in the main membrane surface itself.

    EPDM Rubber Roofs

    EPDM roofs have been used in RV construction for many years.

    Maintenance includes:

    • Regular cleaning
    • Inspection for punctures or tears
    • Monitoring sealant condition
    • Following manufacturer recommendations for cleaning products

    Some cleaning products designed for other roofing materials may not be appropriate for EPDM membranes.

    Related RV Roof Systems to Inspect

    An RV roof is not just a single surface; it is a collection of systems and components that all require attention during routine inspections. Many roof-related issues begin at these connection points rather than in the roofing material itself.

    When inspecting the roof, be sure to also check the systems mounted or sealed through the roof surface, including:

    • Roof vents and skylights
    • Air conditioner roof seals
    • Solar panel mounting points
    • Satellite antennas

    These components are important because they represent common penetration points in the roof structure, where sealant breakdown or movement over time can create potential leak paths.

    Even when the roof membrane itself appears to be in good condition, these areas can develop small seal failures that are not always visible from the ground or during a quick walkthrough. These are some of the most common sources of RV roof leaks across all roof types.

    Cleaning the Roof Properly

    One of the simplest forms of roof maintenance is regular cleaning.

    A clean roof makes it easier to identify developing issues and prevents debris from trapping moisture against roofing materials.

    When cleaning:

    • Use a soft-bristle brush.
    • Use a mild detergent or manufacturer-approved cleaner.
    • Work in manageable sections.
    • Rinse thoroughly.
    • Avoid pressure washers unless specifically approved by the manufacturer.

    Many RV owners successfully use baby shampoo because it is mild, inexpensive, and unlikely to damage roofing materials when properly diluted and rinsed. Some dish soaps can leave residues or create staining concerns on certain fiberglass surfaces if allowed to dry before being thoroughly rinsed.

    Roof Inspections Are More Than Visual

    Many owners perform a quick visual inspection and assume everything is fine.

    However, some sealant failures are easier to detect through close examination and gentle physical inspection.

    Sealants around:

    • Front and rear caps
    • Skylights
    • Plumbing vents
    • Antennas
    • Solar penetrations
    • Air conditioning units

    should be inspected carefully.

    A sealant edge that appears intact may actually be lifting, separating, or losing adhesion.

    In some cases, gently touching the sealant can reveal concerns that are not obvious visually.

    What You’re Really Looking For

    During roof inspections, look for:

    • Cracked sealants
    • Lifting sealants
    • Missing sealants
    • Soft spots
    • Membrane damage
    • Open seams
    • Damaged vent covers
    • Tree branch impacts
    • Signs of previous repairs

    Remember that water only needs a very small pathway to enter the RV.

    Final Thoughts

    There is no universal schedule that works for every owner. However, RV owners who make roof inspections a routine part of ownership are often better positioned to identify developing problems before they become major repairs.

    The goal isn’t simply to get on the roof more often. The goal is to perform meaningful inspections that help protect one of the most important systems on the entire RV.

  • Do RVs Need to Be Level During Storage?

    Many RV owners focus on leveling while camping, but rarely think about it once the RV is placed into storage.

    In most situations, an RV does not need to be perfectly level during storage. However, maintaining a reasonably level position can help reduce unnecessary stress on components and may improve how water sheds from the roof and exterior surfaces.

    One consideration often overlooked is the slide-outs. When slides are extended, the RV exposes additional seals, trim, and openings to the elements. Bulb seals and blade seals are designed to help keep water and debris out, but prolonged exposure to sunlight, weather, and temperature changes can accelerate wear over time.

    Extended slides can also create additional sheltered areas around slide mechanisms and under-slide spaces. While rodents and other pests can sometimes access an RV regardless of slide position, extended slides may provide more opportunities for nesting, shelter, or entry.

    For owners storing an RV for extended periods, keeping slide-outs retracted is often the preferred approach unless the manufacturer recommends otherwise. Retracted slides generally protect seals, reduce exposure to the elements, and minimize the number of openings that pests can exploit.

    As with many RV maintenance topics, the best approach is to consult the manufacturer’s recommendations for your specific RV while periodically inspecting seals, slide components, and storage conditions throughout the year. If you are not sure what the best approach is, sometimes advice from a professional is all you need.

  • How Long Can an RV Sit Without Being Used?

    Many RV owners assume that if their RV is parked, nothing is happening. After all, it’s not accumulating miles, running down the highway, or being exposed to the wear and tear of travel.

    Unfortunately, RVs don’t stop aging when they’re parked.

    In fact, some problems develop faster when an RV sits unused for long periods. While the exact timeline depends on storage conditions, climate, and maintenance practices, understanding what happens during storage can help owners avoid costly surprises when it’s time to hit the road again.

    How long an RV can sit without being used depends on factors such as climate, storage conditions, maintenance practices, and the condition of the RV itself. A well-maintained RV stored in a covered environment may experience very few issues over several months, while an RV exposed to year-round weather and neglected maintenance can begin developing problems much sooner. The more useful question is often not “How long can it sit?” but rather “What happens while it sits?” Understanding those processes can help owners prevent problems before they develop.

    Batteries Don’t Like to Sit

    One of the first systems affected by inactivity is the battery bank.

    Even when disconnected, batteries naturally lose charge over time. Many RVs also have small electrical loads that continue drawing power while the RV is stored. If batteries remain discharged for extended periods, their lifespan can be shortened significantly.

    Owners should periodically check battery charge levels and follow the manufacturer’s recommendations for maintenance and storage. To help maintain charge during periods of inactivity, many RV owners use battery tenders or small solar panels that provide a low-rate charging current.

    These systems can help compensate for self-discharge and small parasitic loads that may continue drawing power while the RV is stored. However, charging systems do not eliminate the need for regular battery inspections. Corrosion, loose connections, aging batteries, and charging system issues can still develop over time. Periodic monitoring helps ensure the batteries remain healthy and ready for use when the next trip arrives.

    Tires Age Even When They Aren’t Moving

    Many owners focus on tire tread, but age and environmental exposure are often bigger concerns.

    Long periods of storage can contribute to tire deterioration, especially when combined with sunlight, heat, and weather exposure. Tires may also develop flat spots when left stationary for extended periods.

    Regular visual inspections and proper tire inflation remain important, even when the RV isn’t being used. Owners should also be aware that tire condition involves more than tread depth alone. Sidewall cracking, weathering, age, and prolonged exposure to sunlight can all affect tire health, making periodic inspection an important part of long-term storage planning.

    The Roof Never Takes a Break

    Whether your RV is traveling or parked, the roof remains exposed to the elements every day.

    Sunlight, temperature changes, rain, and debris all affect roofing materials and sealants over time. Small cracks or deteriorated sealant may not be obvious from the ground but can create opportunities for water intrusion.

    Routine roof inspections are one of the most important maintenance tasks an RV owner can perform, but the effectiveness of the inspection depends on how thoroughly it is conducted. Many owners perform a visual scan of the roof and assume everything is fine if they don’t see obvious gaps or damage. In reality, some sealant issues can be difficult to identify by sight alone.

    During an inspection, it’s often beneficial to closely examine roof seams, penetrations, and sealant transitions. In some cases, gently touching or probing a sealant edge can reveal lifting, separation, brittleness, or loss of adhesion that isn’t readily visible. A seam may appear perfectly intact from a standing position but still have areas where the sealant has begun to release from the roof surface.

    This is one reason small roof issues can go unnoticed for months or even years. Water only needs a very small pathway to enter the RV, and once it does, the resulting damage is often hidden from view until more significant symptoms appear inside. Regular, hands-on inspections can help identify developing concerns early, allowing owners to address minor maintenance needs before they become expensive repairs.

    Sealants Continue to Age

    Sealants around roof penetrations, windows, lights, trim, and exterior openings are critical to keeping water out of the RV.

    These materials expand, contract, and weather over time regardless of whether the RV is being used. A parked RV can experience the same environmental stresses as one that is regularly traveled.

    Periodic inspection and maintenance of sealants is one of the most important preventive tasks an owner can perform.

    Moisture and Humidity Can Create Hidden Problems

    Changes in temperature and humidity can create condensation inside the RV, especially during seasonal transitions. Daily activities such as cooking, showering, and even normal occupancy add moisture to the interior air. When warm, humid air encounters cooler surfaces, condensation can form in areas that owners rarely see.

    If moisture remains trapped, it may contribute to odors, mildew, staining, or other interior issues. Over time, elevated humidity levels can also affect interior finishes and adhesives. During inspections, it is not uncommon to find peeling wallpaper, lifting trim materials, or decorative coverings beginning to separate from underlying surfaces. In some cases, these conditions may be associated with water intrusion, but they can also result from years of exposure to fluctuating temperatures and humidity levels inside the RV.

    For example, RVs stored outdoors often experience repeated heating and cooling cycles throughout the year. In regions with significant seasonal changes and high humidity, these environmental conditions can place continual stress on interior materials. Adhesives may gradually lose their effectiveness, causing wallpaper to pull away from walls or vinyl-wrapped trim pieces to begin separating, even when no active leak is present.

    This highlights an important distinction for RV owners: not every sign of interior deterioration automatically indicates a roof or plumbing leak. While any changes should be investigated, some issues are the result of long-term environmental exposure rather than direct water intrusion.

    Regular ventilation, humidity management, and periodic inspections can help owners identify developing concerns before they become larger problems. By monitoring both the condition of the RV’s structure and its interior finishes, owners can often address small issues before they affect comfort, appearance, or long-term value.

    A Simple Storage Checklist

    • Check battery charge and connections.
    • Verify tire inflation and condition.
    • Inspect roof sealants and roof penetrations.
    • Examine exterior sealants around windows and openings.
    • Monitor interior humidity and ventilation.
    • Look for signs of water intrusion or material deterioration.

    Stored Doesn’t Mean Maintenance-Free

    It’s easy to think of storage as a pause button for RV ownership. In reality, storage is simply another phase of ownership that requires attention.

    An RV that sits for weeks or months without inspection may develop issues that go unnoticed until the next trip. Batteries discharge, sealants age, roofs remain exposed, and moisture can find its way into places owners rarely see.

    The good news is that many storage-related problems can be minimized through routine inspections and preventive maintenance. A few minutes spent checking key systems can often prevent much larger headaches down the road.

    Whether your RV is used every weekend or only a few times each year, regular monitoring remains one of the best ways to protect your investment and stay ready for the next adventure.