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  1. #1
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    Mar 2009
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    Default Primed door as benchtop... gluing?

    Hi all

    Work has begun in earnest on my bench.... with purchase of solid-core door and some 19mm ply for a top. Top will be door + sacrifical ply on top, with a skeleton type layer of ply under the door, to provide some more thickness for the Groz vise.
    Problem - the door I got was the cheap pre-primed number - what can I glue this with, or should I sand off the primer to get to bare masonite at gluing points? I do have a couple of pots of epoxy in the garage, never used - is this an option?
    Should have picked up the wooden skinned door! :O

    Lee

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  3. #2
    Join Date
    Mar 2011
    Location
    brisbane
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    Primer is just there to give the paint a key and protect it from weather short term till its painted, i wouldn't glue to it as i'd be worried about it affecting the adhesive, i'd sand it all off and rough the masonite to make that the key for the adhesive you chose. I've little to no experience with such a large area lamination except for reading the forum posts here in terms of actual glue to use, i'm sure someone will say yay or nay on the epoxy.

    Neal.
    Last edited by thompy; 4th April 2011 at 09:45 PM. Reason: grammar

  4. #3
    Scribbly Gum's Avatar
    Scribbly Gum is offline When the student is ready, the Teacher will appear
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    Jan 2006
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    Default

    My old workbench was made decades ago out of recycled oregon. When I wanted to re-surface it, I did what you are doing and used a solid core door taken from a building demolition. I simply dowelled mine to the existing benchtop and glued the dowels to almost right through from the top. I left a little wood at the bottom to hold the glue.
    I flush sawed the dowels and then trimmed with a paring chisel to finish the top.
    Tight as a drum and has served me well for the last five years.
    Could be an option to save on the sanding.
    Cheers
    SG
    .... some old things are lovely
    Warm still with the life of forgotten men who made them ........................D.H. Lawrence
    https://thevillagewoodworker.blogspot.com/

  5. #4
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    I dislike sanding, so anything to avoid it would be nice! Hadn't thought of dowels.... makes drilling dog holes less of a minefield than screws too! I'm going to bolt the top to the frame (Tas oak) in any case, this will hold the layers together.

    I've started a thread in the glues forum, as now this is primarily an adhesive issue - thanks for taking a look over there!

  6. #5
    Join Date
    Mar 2009
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    Newcastle
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    Problem sort of solved itself.... the door had a chipboard core when I cut it down, given I want to drill dog holes, I have retired it, and picked up a solid pine door to use. The particle board one will be used as a good bench-construction-saw-horse bench, then will further cut down for a grinder stand etc.....
    the new door has a skin of unprimed ply... .no sanding!

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