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In my opinion soda blasting is great at removing old paint and leaving a perfect surface for epoxy primer; so long as the operator knows what he is doing...
That is a big caveat.
In the wrong hands the gelcoat can be damaged such that it will require some filling and fairing.
Perhaps you can see a sample of the work.
Sand and grit blasting are more aggressive and best avoided.
Amelia AML 54-019
On 16 Sep 2019, at 18:22, CW Bill Rouse <brouse@...
Why don't you ask Amel?
CW Bill Rouse
Amel Yacht Owners School - www.YachtSchool.us
720 Winnie St
Galveston Island, TX 77550
On Mon, Sep 16, 2019, 11:46 AM Rudolf Waldispuehl <Rudolf@...
Looking for opinions from the AMEL Group about Soda Blasting
Because I don’t’ know the history of the last 12 years on WASABI what was below the recent AF, how many layer of AF etc. I have in mind to sand down all the old layers. Before I bought my beloved AMEL I owned an Aluminum Boat and treatment of underwater where different. I got an offer from MANOEL Yacht Yard in Malta to remove old paint with Soda Blasting of the underwater GPR Area.
I don’t know this process and asking the group of their knowledge and how good/bad it is for the undelaying Gelcoat?
Is there anything to be aware or specific care to know when doing Soda Blasting?
I know from reading that sandblasting can damage the gel-coat, is Soda Blasting same or less invasive for the hull?