After a mix which was too dry in the previous videos, we mix our concrete to a slurry consistency to help with fluid casting and keeping trapped air to a minimum. In this video we cast a relatively large dragon and a skull candle holder. Both pieces can be found on the channel in model construction and mold making videos.
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In this video we demold the concrete pieces which were poured in part one: https://youtu.be/HkI5AkU-wf4 We also talk about troubleshooting trapped air in your concrete mix which could be due to a dry or thick mix.
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After spending quite a bit of time making molds and casting with resin, we finally have a concrete casting video up after two years since the last concrete cast video and using some of the recently made molds, including an Easter Island head, a fossil, a fairy door and some skull casts.
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In this video we use Polycraft SG2000 polyurethane resin to create replica casts from silicone molds made at Dramamask Evolution.
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Short video to explain why I don’t use latex thickener. So many people ask about latex thickener or suggest I use latex thickener and this video will answer why I do not use it! 🙂
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Part One: 0:00
In this part we concentrate on making the seams with aluminium foil, applying the release agent with consists of Carnauba wax and PVA solution.
Part Two: 06:12
In this part we lay up the fibreglass layers using polyester laminating resin, MEKP catalyst and strand matting.
Part Three: 14:33
In this part we attach the legs to the main fibreglass mother mold using pieces of wood for the legs.
Part Four: 19:27
The final part in this series of making a three-piece fibreglass mother mold. In this video, we trim the legs, drill the holes to fix the bolts in place and clean up!
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Make A Two Piece Fibreglass Mother Mold | Two Part Series.
Note: On occasion we make a two piece fibreglass mother mold, but we advise to make fibreglass mother molds with at least three pieces, to avoid any problems with removing the fibreglass mother mold pieces away from the latex mold.
Part One: 0:00
NB: Correction to video: Put wax on first and then PVA – I had a brain malfunction during applying the wax and PVA during this video.
Building a two-piece fibreglass mother mold using polyester fibreglass resin, fibreglass matting & MEKP catalyst for the mother mold. Aluminium tape is used for the seam, plus PVA mold release and Carnauba wax for the mold release agent.
Part Two: 11:39
In this part we attach wooden legs using fibreglass to the fibreglass mother mold. We also drill holes for bolts to keep the mother mold secure and in place, to keep the latex mold in shape ready for concrete casting.
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In this materials video we talk about the polyester laminating resin we use here at Dramamask Evolution to make fibreglass mother molds, along with the MEKP catalyst, strand mat, etc.
This video is a reference and to compliment the fibreglassing videos on the channel, which include making fibreglass mother molds, casting with fibreglass and more…
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Part three in the series of making a Celtic mirror. This video is just a quick photo slideshow showing the fibreglass mother mold being made. There are other videos on the channel which go into more detail with making fibreglass mother molds.
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Many people have been asking which brand of latex we use, so we put this video up, showing the latex we use to make latex molds. The liquid latex we use to make molds is made by Polycraft and we use this brand because it has been reliable and durable. We do not prefer any brands over some others, but Polycraft latex has been tried and tested by us and we know this latex won’t let us down.
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