Rv Fiberglass Siding Bubbles

Lumps ripples in fiberglass siding.

Rv fiberglass siding bubbles.

The result is a convex air pocket that causes bonding agent failure and separation. For flatness and stability araucoply panels are laid up on composed cores. Btw intrusion is when under laying frame of the rv bulges out and causes the fiberglass on the exterior of the rv to bulge. Once you start getting bubbles in your fiberglass you need to work carefully and sand down the bubble till you get to solid fiberglass.

This will require some large c clamps. Rv fiberglass siding bubbles the repair of this problem may take a little skill. If it is a fiberglass layer separating from a foam or plywood core it s going to be harder to repair. A bubble forms over the unglued pocket which will grow in size over time as the fiberglass walled rv flexes with normal use.

The bubble will gradually crack and trap moisture inside causing further damage. Winnebago industries owner s forum. So i might try to clamp the area first to see if the glue behind there will bond. Fiberglass siding pulling from unit.

You can tell the difference between intrusion and de lamination by pushing hard on the bulge with the palm of your hand. Place a thin piece of protective plywood temporarily on the outside wall between the clamps and the sidewall. Apply the appropriate type of glue and clamp the block in place through the window to flatten the exterior bubble against it. Bubbles in the fiberglass on my.

Several spots around our rv have bulges caused by intrusion. Aluminum siding or fiberglass. X 8 ft araucoply panels are made from pruned plantation grown radiata araucoply panels are made from pruned plantation grown radiata pine logs for fewer knots and consistent appearance. You must make sure of the structural integrity of the foam or plywood before building fiberglass back up on top of it.

A pole clamp and some ply wood up against another structure should work. If that does not work then you will have to get access to the bubble through a window or removing the siding and then gluing. The traditional repair assumes the bubble is delamination within the fiberglass.