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MITRA Forum Question Details

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 ForumQuestion

  • Need for sealing under oil grounds over acrylic primer on hardboard? ApproveRejectUn-ApproveSubscribeUn-Unsubscribe
    Question asked 2019-07-20 12:26:50 ... Most recent comment 2019-07-20 20:45:10
    Grounds / Priming
    Question

    ​Dear Moderators Please excuse my "test" question posted prior to this one. I've been having a lot of trouble with the question form. This is the 3rd time I've tried to post this question. I have primed a number of unsealed hardboard panels with 3 coats of acrylic primer and plan to follow up with 2 coats of lead primer. Should I have sealed the panels first eg with a PVA or acrylic resin emulsion? Looking forward to your responses. Kind regards, Jenny

Answers and Comments
  • EditDeleteModerator Answer

    The decision to seal before applying an acrylic dispersion ground to a panel is up to you. It is technically not necessary in this instance. It is a good idea to size fabric supports before applying an acrylic dispersion ground, but this is more for keeping the ground from seeping through the canvas. It is, however, absolutely necessary to size a fabric support (a few layers of acrylic dispersion ground would also function) before applying an oil ground as the acids in the oil adversely affect the cellulose.

    Brian Baade
    2019-07-20 12:54:20
  • ApproveRejectUn-ApproveUser Comment

    ​Thank you Brian. Glad to hear that. Cheers, Jenny

    2019-07-20 20:45:10
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