Q&A: How Did You Install Treadmaster On Your Aluminum Boat?

Question: When you were installing your Treadmaster, did you grind back to clean metal and glue it down, or did you, as I was advised, paint with epoxy first?

Answer: Our boat was already covered in epoxy putty, which still had a good bond, so we glued to that with West System epoxy. If I were putting Treadmaster on bare aluminum, I would use the West System two part aluminum etch (we have had great luck getting a good bond after treating bare aluminum with this stuff) and then glue it down with West System epoxy slightly thickened with colloidal silicate. Note that we have friends that did not acid etch the aluminum and the Treadmaster peeled off on them despite aggressive wire brushing and cleaning prior to putting it down.

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John

John was born and brought up in Bermuda and started sailing as a child, racing locally and offshore before turning to cruising. He has sailed over 100,000 miles, most of it on his McCurdy & Rhodes 56, Morgan's Cloud, including eight ocean races to Bermuda, culminating in winning his class twice in the Newport Bermuda Race. He has skippered a series of voyages in the North Atlantic, the majority of which have been to the high latitudes. John has been helping others go voyaging by sharing his experience for twenty years, first in yachting magazines and, for the last 12 years, as co-editor/publisher of AAC.

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