silicone query

Discussion in 'Anything DIY Related' started by Kevin34PE, 4 Feb 2013.

  1. Kevin34PE

    Kevin34PE

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    Hi,I recently built a tank,but found after building it the back glass was curved,my friend and I then removed the glass and silicone with blades,silicone stripper,spirits and lots of elbow grease. I have a new glass,which is straight. My question is how thick should the silicone be between the joining faces when replacing the glass and support bracing?
     
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  3. leslie hempel

    leslie hempel Moderator MASA Contributor

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    approx 1 - 2 mm is fine
     
  4. Kevin34PE

    Kevin34PE Thread Starter

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    And the beading in the corners?
     
  5. leslie hempel

    leslie hempel Moderator MASA Contributor

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    if you can get a silicone glue tool it will allow you approx a 14mm seam, or approx 8mm from the corner outwards...

    its good to have a nice neat sturdy seam of glue to ensure a proper bond and structural integrity for longterm durability..
     
  6. Kevin34PE

    Kevin34PE Thread Starter

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    Hi,if silicone is dry and about 3 days cured,can the spots that don't look so neat be touched up with new silicone? Will it stick? Or does the 3 day old silicone have to be removed and start over?
     
  7. RiaanP

    RiaanP Moderator

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    new silicone do not stick well on top of old silicone. Useless for structural strength. Fine if its just for visual improvements.
     
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