On 24 Oct 2004 16:02:31 -0700, (brandt) wrote:

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

I've been using two coats of 2lb shellac on my projects. MDF
shouldn't make a difference.