Bill, Prep with a generous solvent wash. Do not just wipe with solvent
dampened rag as that just spreads around what you need to remove.
Paint with (preferably 2 coats) a good exterior UV stable enamel like
polyurethane enamel or a good brand of one or two part "boat"paint for
fiberglass boat's topsides.
This will likely give more than 10 years of life. If later it starts to
look too ratty then a light scuff sanding and another coat of paint will
likely extend the life another 10 years or more. I have had fiberglass
boat decks exposed to salt air (and water) and oodles of sunshine plus
foot traffic last over 20 years with the above recipe. It is unlikely
you will get long service from really cheap "bargain" paint.
You are using your expensive time and muscle (a valuable limited
resource), so don't ruin the job with substandard materials.
Patrick NJ5G
On 3/28/2018 10:36 AM, bill K7WXW wrote:
I am making plans for a 16' mast that will hold dual band and GMRS
antennas (Comet GP-3 and Tram). I have a stack of Army surplus
fiberglass mast sections that I'd like to use for the project. Here's
my question: Given their tendency to flake and susceptibility to UV
damage, what's the best way to prep them to improve their longevity?
I don't need the mast to last forever but ten years should would be
nice. ;)
thanks and 73 de bill K7WXW
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