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Best adhesive to attach materials to cured fibreglass

Discussion in 'Tech Tips and Advice' started by vikingtone, Jul 28, 2015.

  1. vikingtone

    vikingtone New Member

    Hi. I am new to the world of fibreglassing, dropped into this world by my supplier losing interest. I make a small fibreglass and plywood drum, which requires the thin (3mm) ply drum skin being glued to the fibreglass bowl. The bowl is 300mm diameter and 75mm tall. It is less than 3mm thick. In order to make my life simple I have stopped using the 2-part mould my supplier made for me, and am now making the bowl as a one-piece. This means I have lost a recess into which the skin used to be glued. By reverting to a one-piece mould I now have to find a very strong way of gluing a plywood piece onto the thin rim of a fibreglass bowl. What would be the strongest adhesive to use for this application, please?? I have already decided to provide some sort of internal supports for the skin, and they, again, will have to be attached to the cured fibreglass. Once stuck, I want the bond to be very strong. Any advice would be much appreciated. Thanks
  2. Gary

    Gary Administrator Staff Member

  3. vikingtone

    vikingtone New Member

    Hi, and thank you for taking time to respond. My first thoughts on this adhesive is to wonder about shelf-life. I see the tube has a valve, so can I assume that I can use a small amount of the adhesive, and that the rest of the stuff in the tube will not go 'off' over a few days? I have experience with standard caulk and caulk guns, and the huge disadvantage with most is that if you don't use the whole tube, the balance goes off anyway. It is eye-wateringly expensive, so I would want to be confident it would be able to do a number of jobs. I guess I would have to order one tube and the gun, and maybe 6-8 mixer/dispensers. Is it possible to make the dispensed bead smaller that in the example videos? The bead on there seems to be too big for my needs - I would want to have a smaller amount being dispensed. Thanks again for your feedback.
  4. John Dickens

    John Dickens New Member Staff Member

    I have found EC1000 structural adhesive to produce an excellent bond to GRP and metals. I have not used it on wood but it might be worth a try.
  5. vikingtone

    vikingtone New Member

    Thanks for that. It's worth a try, so I'll get some and give it a go, cheers

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