Hi All,
I did the following (below) and found checking occurred in less than a year so am now planning on glass/epoxy to seal exterior of 5x10 TD.
Original treatment (over birch plywood):
3 coats tb2, 2 coats SW Extreme Bond primer, 3 coats SW Emerald Rain Refresh.
My first question is, can I merely sand enough to rough up the surface before epoxy/glass or do I need to sand down to the plywood?
My second question is: based on 4oz fibreglass cloth, does anyone know approximately how much epoxy I might need (~220 sq. ft.)?
Thanks in advance!
Bret
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