Drew Callahan · June 26, 2026
Where Do Thor Axis Class C Roof Leaks Originate? Thor Axis Class C motorhomes feature a fiberglass or TPO (thermoplastic olefin) roof membrane bonded to a wood and aluminum structural frame. this construction method is industry-standard for Class C applications, but it creates specific vulnerability points where water penetration occurs. The most common leak sources … Read more
Drew Callahan · March 12, 2026
I was three days into a July booking when the 308BHS owner called—his voice tight, kids yelling over each other in the background. “There’s something wrong with the ceiling,” he said. I walked through the diagnostic anyway: had he seen staining? A soft spot? Smelled anything off? Turns out he’d noticed a faint discoloration near … Read more
Drew Callahan · March 3, 2026
I had my work setup spread across the concrete pad behind bay two at my usual spot — roof cleaned, membrane laid bare, and the sun coming up fast. That’s the moment when boondocking full-time hits different than weekend trips. Your rig can’t just sit broken while you call around for service. On the Alliance … Read more
Drew Callahan · March 2, 2026
I’ve got a section of roof membrane right here in front of me — pulled it off a 302BH I picked up last spring — and you can see exactly where the story went wrong. The original seam sealant is cracked and peeling, gray instead of white, and the membrane underneath is stained a darker … Read more
Drew Callahan · February 27, 2026
Walk into a dealer service department and you’ll hear that roof membrane leaks on travel trailers are best handled by professionals—liability, structural integrity, the whole speech. Log into an RV forum and someone will tell you it’s a weekend job with caulk and a utility knife. One of those voices is steering you wrong, and … Read more
Drew Callahan · February 21, 2026
I was pulling into a campground outside Flagstaff in late September when I spotted the stain spreading across the ceiling near the bedroom—a wet mark that hadn’t been there two days earlier. By the time I got up on the roof of my Grand Design Imagine 2500RL to track it down, I could see exactly … Read more
Drew Callahan · February 16, 2026
You’re staring at a water stain on your Airstream Classic 33FB ceiling right now, aren’t you? And you’re wondering how deep this actually goes — whether it’s just a surface drip or whether the rot has already started climbing into the frame behind the aluminum skin. I’ve pulled open enough Airstream roofs to tell you: … Read more
Drew Callahan · February 3, 2026
Roof Leak Repair and Resealing for WINNEBAGO MINNIE WINNIE “Drew, I’ve got a 2015 Minnie Winnie I’m thinking about buying, but there’s this water stain on the bedroom ceiling that the seller swears was from ‘one time a vent cap came loose.’ How bad could that actually be?” That question came through my inbox last … Read more
Drew Callahan · January 29, 2026
Roof Leak Repair and Resealing for JAYCO GREYHAWK Most Greyhawk owners assume the rubber membrane roof itself is what fails first — but it’s not. The real culprit is the sealant that holds everything together: the bead around every vent, the joint where the fiberglass cab rises up, the seams running the length of the … Read more
Drew Callahan · January 28, 2026
Roof Leak Repair and Resealing for LEISURE TRAVEL VANS UNITY “Drew, my Unity’s been sitting for a couple months and I just found water stains all along the bedroom ceiling—how do I know if I can patch it myself or if I need to call someone?” That was Jake from Oregon, texting me a photo … Read more
