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patriarch
 
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(brandt) wrote in
m:

How many coats of shellac (white shellac) do I need to apply to get
good vapour blocking from MDF underneath?

Do I sand between coats?

Thanks for the help.

Brandt


white shellac is used as a primer under one or more paint coats, right?
Zinsser BIN product in the US.

Two good coats should suffice. Sand only if you need to level under the
topcoat.

Now if we're discussing something else...

Patriarch