6 votes
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Issues in mixing brass with concrete?

Different metals have different issues. For example, aluminum is highly reactive with the alkaline concrete (the reaction is used to create foamed concrete). Iron rusts and decomposes all the way ...
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6 votes
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Some guidelines to create a silicone mold of this flower pot object

Alternative to a silicone mold You could just as well print the pot twice in different sizes and use those prints as a mold. You'll probably need to print both sizes at the same time because you ...
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5 votes
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Is water resistant PVA (type 3) a good option for sealing indoor kitchen concrete countertop with a sink?

The short answer is no. Countertops near a sink often have water puddles sitting on them for awhile, and a sink is submerged in water. You really need a surface that is at least waterproof, not just ...
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5 votes
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What is considered the most durable concrete for jewelry?

Mainly a terminology thing, but "concrete" wouldn't be used for jewelry. That term refers to a mix that includes large aggregate that's held together with a cement binder. On something ...
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5 votes
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Using SculptCrete/ShapeCrete in a gel-like form?

Both ShapeCrete and SculptCrete (and similar products), are cement-based mixtures that are designed to be used in several ways, including molding it like clay. To achieve the clay-like handling and ...
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4 votes

Some guidelines to create a silicone mold of this flower pot object

I won't duplicate all the good information in Elmy's answer; this will be supplementary ideas. If concrete is the material you want to cast, here are some considerations. Just to clarify terminology,...
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4 votes
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Achieving Smooth Concrete Texture with Tiny Bubbles

Surface texture The fineness of the sand determines the surface texture (ignoring texture created by the surface of the mold or through a treatment like brushing the surface). On something like a ...
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3 votes
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Alternative to Shapecrete - moldable concrete that is workable like clay

This question is premised on a particular cement product that could be handled like clay but appeared to dry looking like poured concrete. It turns out that is not the case. So the "simplest&...
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1 vote

Does cement or concrete stick to cured epoxy-resin?

Epoxy The question mentions resin and then asks about epoxy. There are certain resins that can be used as a bonding agent, but epoxy isn't one of them. It is sometimes used to anchor something like ...
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1 vote

Does cement or concrete stick to cured epoxy-resin?

Concrete/cement has limited adhesive strength. Surface roughness, undercuts, and rebar/mesh is used to hold concrete structures together. As implied in your question; The epoxy/resin provides most of ...
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1 vote

Is DecoArt Standard Crafter's acrylic paint good for a concrete cockerel for outdoor use?

Interior-grade paint can sometimes be affected if it gets wet (depending on the composition), and may fade or degrade from exposure to UV (I'm not familiar with how the specific paint you used will ...
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