Fiberglass blistering
I have a 2015 Keystone Outback 5th wheel I purchased new. It has blistering on the sides. It looks like spot welds that have popped under the fiberglass coating. Getting it fixed is not going well. An...
Forum Discussion
In the marine world it is referred to as boatpox. Various causes ranging from resin used to air temp at layup. The remedy usually is to grind each blister out, fill it, fair it, & regelcoat it. Simple but labour intensive.
