Poly peeling on exterior door?

Anonymous asked 7 years ago

We painstakingly stained and exterior poly’d our exterior fiberglass wood-like doors. Although the job was way more than we bargained for we were happy with the results.. that was late summer. Now we are hitting cooler months ( 0 – only -10 so far) and the poly has started to whiten and peel from the door. (we used three coats) What a mess!! Nothing that we can do over the winter, but how do I go about fixing. Am I better off stripping the remaining poly and painting over the door, or what do I topcoat the stain with? The stain is holding up well so far. I truly advise anyone that staining a fiberglass door is not a DYI project. Highly recommend the manufacturer do it.

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