Category Archives: Molding & Casting

Easy OLDE WORLDE PAINT WASH Effect For Concrete Ornaments

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Now the days are getting shorter and colder, we can get on with painting some of our concrete casts, pieces and ornaments which we made earlier in the year.

Starting off on our first paint job of winter 2020, we decided to go with a basic black wash over concrete to create a weather and time worn olde worlde paint wash effect!

Prior to applyng the wash, we applied concrete dusproofer/hardener which is featured in the previous video on the channel. We don’t always use the dustproofer, so results may differ if applied directly to bare or raw concrete.

CONCRETE DUSTPROOFER & HARDENER TEST On Concrete Ornaments & Statuary

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In this video we try out a product by Bond It called Dustproofer & Hardener for concrete surfaces. The product is designed for concrete floors, but we wanted to try it out on concrete ornaments, pieces and statuary to see if there are some beneficial results.

Bond-It BDH090 Dustproofer & Hardener (5 Ltr) Hardens and Dustproofs concrete flooring on Amazon: https://amzn.to/2ILeeET

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FILLING BUG HOLES In Concrete Ornaments & Pieces

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Filling bug holes in concrete ornaments, statuary and pieces. In this video we mix cement at a ratio of 2 parts sand to 1 part cement, add a small amount of PVA glue/bonder and a small amount of washing up liquid/dish-soap to act as a plasticizer/plasticiser (plus water) to fill the bug holes which were present in the concrete pieces as a result of trapped air not being succesfully released and/or tapped/vibrated out during the pouring process.

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Casting An Ammonite Fossil In Concrete

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The final part in the series of molding & casting an ammonite fossil. In this video, we finally get around to casting the fossil in concrete and we also make a cast with plaster of Paris.

The video footage is taken from two existing videos on the channel which feature concrete and plaster of Paris casting. There are also two other parts to go with this fossil casting video which are making the latex mold and making the mother mold with fibreglass.

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Quality Concrete Casting

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After a few weeks casting concrete pieces and statues at the end of August and in September here in the UK, we can show how a good quality mix of concrete will create a good quality concrete cast. There were a few ‘bug-holes here and there on this small batch of three, which can be remedied by a cement filler after the casts are cured and for future casting to spend more time tapping and vibrating unwanted air out of the molds and seeing the places in the molds where the bug-holes are likely to form.

The concrete recipe used for casting in this video: 1 X Part cement. 2 X Parts sand. 2 X Parts aggregate. PVA (UK) bonder/bonding agent. Plasticiser/plasticizer.

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Mixing Concrete For Casting

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In this video we focus more on the concrete mix used here at Dramamask Evolution and looking for a consistency which isn’t too firm and not too slushy either – a mix which keeps it’s shape, but is also cooperative in being moved around the mold/mould.

The concrete recipe used in this video: 1 X Part cement. 2 X Parts sand. 2 X Parts aggregate. PVA (UK) bonder/bonding agent. Plasticiser/plasticizer.

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Refining Concrete Mix For Casting Statuary & Concrete Pieces

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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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