Tutorials

How to Make a Rubber Stamping Mat for Concrete [Cobblestone Model]

How to Make a Rubber Stamping Mat for Concrete [Cobblestone Model]

In this video, we demonstrate how to make a concrete stamping mat out of polyurethane rubber. We use cobblestone as our model and Poly 75-...

Architectural Restoration: Making a Rubber Mold of a Plaster Column

Architectural Restoration: Making a Rubber Mold of a Plaster Column

This video tutorial features the making of a brush-on rubber site mold. Some of the columns in this commercial building are damaged -- a bru...

How to Create a Travertine Panel Mold for Concrete [Part 2 of 2]

How to Create a Travertine Panel Mold for Concrete [Part 2 of 2]

How to create a mold of a Travertine panel using Polytek Poly 74-45 liquid rubber and then cast concrete....

How to Make a Brush-On Mold with Mold Shell [Part I]

How to Make a Brush-On Mold with Mold Shell [Part I]

Part I of this video tutorial demonstrates how to make a brush-on mold using tin-cured silicone rubber (TinSil® 80-30). In Part II, w...

How to Make Silicone Molds for Casting Wax Candles

How to Make Silicone Molds for Casting Wax Candles

This video tutorial details the process of making three molds using PlatSil® 73-25, a platinum silicone mold rubber. Two of the molds are ma...

Rubber Molds for Casting Slate-Textured Concrete Coasters

Rubber Molds for Casting Slate-Textured Concrete Coasters

Use this Concrete Mold Making Starter Kit to make your first rubber mold for a small-scale, concrete casting project of your choosing. Polyt...

Casting “Warped” Concrete Tables in Rubber Molds

Casting “Warped” Concrete Tables in Rubber Molds

This video tutorial details the process of casting side-by-side “warped” concrete tables in a Polytek® Poly 74-45 polyurethane rubber mold....

Lifecasting: PlatSil® Gel-25 Face Cast

Lifecasting: PlatSil® Gel-25 Face Cast

PlatSil® Gel-25 is a contact-safe, platinum-cured silicone that is most often used for making prosthetic appliances, lifecasting and mold ma...

How to Make Wood-Textured Concrete Stools

How to Make Wood-Textured Concrete Stools

The following tutorial details the process of making a polyurethane rubber mold of a log that will be used to cast concre...

Tek-Tip: Reduce Bubbles in Clear Casting Resin

Tek-Tip: Reduce Bubbles in Clear Casting Resin

Without the proper equipment, it can be difficult to achieve bubble-free castings with clear polyurethane casting resins such as Polyte...

Kiln-Casting with Glass: The Process

Kiln-Casting with Glass: The Process

Anna Boothe, former faculty member in the Glass Program at Tyler School of Art (Temple University) and current freel...

Tek-Tip: Shelf Life & Storage of Polytek® Polyurethane Products

Tek-Tip: Shelf Life & Storage of Polytek® Polyurethane Products

Shelf LifeThe shelf life of all Polytek® liquid polyurethane products (rubber, plastic, foam) is six months from the date of shipm...