Forum Discussion
theoldwizard1
Jan 23, 2018Explorer II
Ralph Cramden wrote:
Typical construction is thus, other than a few oddballs such as hung wall.
1 Fiberglass. It's laminated to Luan plywood which in turn is laminated to beaded foam ...
Some (many ?) manufacturers now use some type of synthetic (such as Azdel)/ for the exterior subsurface.
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