RV Roofing FAQ — Minnesota

First, don't wait for it to stop raining. Put towels down inside, note exactly where water is entering (ceiling stain location, wall junction, etc.), and if you can safely get on the roof, look for obvious failed sealant around vents, the A/C unit, skylights, or seams. The actual entry point is often 2–4 feet from where water shows up inside. Call us for an inspection — we'll trace the source, give you a written quote, and can often repair same-day.

Soft spots mean water got into the decking (plywood or OSB) beneath your roof membrane and it's been sitting long enough to cause rot or delamination. The entry point is usually a failed caulk seal, dried butyl tape under a vent or fixture, or a seam that's separated. By the time you can feel a soft spot with your foot, the intrusion has typically been going on for at least one full season. Get it inspected before another winter — soft spots that are caught early are repairs. Ignored, they become replacements.

Bubbling or ballooning usually means moisture is trapped between the membrane and the decking — either from a prior leak, improper installation, or condensation that can't escape. Once the membrane delaminates from the substrate, it can't re-bond on its own. In some cases we can cut, dry, and re-bond the affected section. In others, the membrane needs to be replaced. This is something we'll assess on-site before quoting.

Dicor lap sealant (501LSW for horizontal surfaces, 502LSW for non-sag vertical use) is the industry standard and it works — when applied over properly cleaned and prepped substrate. The biggest mistake is applying new sealant over old cracked sealant; it won't bond. EternaBond tape is excellent for bridging seams and small tears. Butyl tape is critical under vent flanges and fixture bases. For owners who don't want to reseal every year, our commercial reseal system or silicone coating is the upgrade.

Signs to check from inside: soft or spongy ceiling panels, discoloration or brown staining on ceiling material, waviness or bubbling in ceiling panels, musty or mildew smell after rain (even without visible water). From the roof: cracked or pulling sealant at any seam or vent, membrane that feels soft or spongy underfoot, visible bubbling or lifting of the membrane. Any of these means you need an inspection before the problem compounds.

Yes, with the right products and proper prep — and annual inspection is something every RV owner should do. Use Dicor or equivalent lap sealant over clean, dry, prepped substrate. Never apply over old failing sealant without removing it first. Replace dried butyl tape under vents and fixtures as part of the process. Where DIY falls short: if there's an active leak, soft spots in the decking, or widespread sealant failure across the roof — that's when professional repair with commercial-grade materials makes a real difference.

Consumer-grade lap sealant should be inspected every 6–12 months — that's the manufacturer's own recommendation. Most RV owners stretch it to every 2–3 years and pay for it eventually. Our commercial reseal system is rated for a 5–10 year interval. Our silicone coating eliminates the annual maintenance cycle entirely.

Dicor is a polyether lap sealant — it's what RV factories use on the assembly line and it's a legitimate maintenance product. "Best" depends on what you're doing: Dicor is right for annual maintenance touchups. EternaBond or EPDM tape is better for bridging seams and tears. Commercial reinforced flashing is what we use for permanent repairs. No single sealant is the right answer for every situation.

Butyl tape is the flexible adhesive tape used under every roof-mounted fixture — vents, skylights, A/C units, antennas. It creates the primary seal between the fixture's mounting flange and the roof membrane. When it dries out (usually around year 5–8), fixtures shift with thermal expansion and open tiny gaps that water finds immediately. Replacing dried butyl tape is one of the most important — and most overlooked — parts of a proper reseal.

RV roof repair costs in Minnesota typically range from $500 to $3,000 depending on the extent of damage. Lifetime reseal systems run $1,500–$5,500. Complete RV roof replacement runs $4,000–$12,000 depending on size, material, and any structural work needed underneath.

Yes. Every estimate is free, written, and includes photo documentation. There is no obligation.

All major credit cards. Major projects use a 30% deposit, an additional 30% upon project start, and the final balance upon completion to your satisfaction.

TPO is white, reflective, and energy-efficient with heat-welded seams — great in hot climates and for owners who want a cooler interior. EPDM is a black rubber with 50+ years of commercial track record — exceptional in extreme cold and a top choice for storage RVs in Minnesota. We help you pick.

A multi-layer commercial-grade silicone system applied directly over a sound RV roof. It bonds to the entire surface, eliminates the need for caulk, reflects heat, and is rated for 20 years of UV exposure.

Some older and higher-end RVs use a fiberglass roof (also called FRP — fiberglass reinforced panel). Fiberglass is rigid and durable but can develop gel coat cracks and stress fractures over time. It can be coated with commercial silicone or patched with fiberglass-compatible materials. We work on all roof types including fiberglass — let us know what you have and we'll tell you the right approach.

Statewide. Major hubs include Minneapolis, St. Paul, Bloomington, Rochester, Duluth, St. Cloud, Brainerd, Alexandria, Willmar, Detroit Lakes, Mankato, Hutchinson, and Albert Lea. We come directly to your home, storage lot, or campground.

Occasionally for major projects. Call us if you're in Wisconsin, North Dakota, or Iowa — we'll evaluate it case-by-case.

Most repairs complete in 1–3 days. Minor leak repairs may take only a few hours. Full replacements take 2–3 days. Larger jobs or those requiring structural rebuild can run 4–6 days.

Yes for emergencies. For larger projects we offer free pickup and delivery during winter — we take your RV in, complete the repair, then return it ready for spring. Major work is best scheduled spring through early fall.

A comprehensive warranty up to 20 years covering both materials and workmanship, plus a lifetime leak-free guarantee on covered systems. Manufacturer warranties on the underlying membranes also apply.

Yes. The warranty stays with the RV — a strong selling point if you ever decide to upgrade.

Comprehensive RV policies typically cover sudden damage from hail, wind, falling objects, and impacts. Wear-and-tear is usually excluded. We've settled over 100 RV roof claims and can document the damage exactly the way adjusters want to see it.

All major carriers — State Farm, Allstate, Progressive, GEICO, Farmers, AAA, American Family, MetLife, USAA, Auto-Owners, Safeco, Safelite, and others.

Class A, B, and C motorhomes; travel trailers; fifth wheels; pop-up and hybrid campers; toy haulers; truck campers; utility/cargo trailers; and low-slope mobile homes.

Many dealer service centers use the same factory-grade materials originally installed. We come from a 30-year commercial roofing background and use commercial-grade systems backed by an up to 20-year warranty. Mobile service. Half the cost in many cases. Twice the quality.