Tutorials

Concrete Casting: Hardscape Rubber Mold Design

Concrete Casting: Hardscape Rubber Mold Design

Mold design has a great impact on production efficiency and product quality. The following rubber mold designs are options for single-cavity...

Tek-Tip: Tools & Techniques for Cutting Rubber Molds

Tek-Tip: Tools & Techniques for Cutting Rubber Molds

Some rubber molds require one or multiple cuts in order to remove the original model and subsequent castings.Here are some tips regardi...

Casting a Concrete Countertop in a Silicone Mold

Casting a Concrete Countertop in a Silicone Mold

How to make a PlatSil® 73-40 mold of a countertop and cast concrete....

How to Create a Travertine Panel Mold for Concrete [Part 1 of 2]

How to Create a Travertine Panel Mold for Concrete [Part 1 of 2]

How to create a mold of a Travertine panel using Polytek Poly 74-45 liquid rubber and then cast concrete. A 2-Part Tutorial....

Making a Poly 74-20 Veneer Stone Mold for Casting Concrete

Making a Poly 74-20 Veneer Stone Mold for Casting Concrete

In this video, we demonstrate making a block mold with Poly 74-20 polyurethane rubber that can be used to reproduce decorative concrete vene...

Concrete Mold Making - Starter Kit Tutorial

Concrete Mold Making - Starter Kit Tutorial

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

How to Make a Rubber Mold to Cast Concrete Pavers/Stepping Stones

How to Make a Rubber Mold to Cast Concrete Pavers/Stepping Stones

This video tutorial details the process of making a Poly 75-70 polyurethane rubber mold of a concrete stepping stone. In this example, we ut...

How to Make a Concrete Log Mold

How to Make a Concrete Log Mold

This video tutorial details the process of making a FormRub 35 rubber mold of a log in order to cast concrete stools....

Mold Making Tips: Mold Rubber Hardness

Mold Making Tips: Mold Rubber Hardness

Polytek® "Tek-Tip" videos feature information and tips related to mold making and casting.In this "Tek-Tip" video, we discuss mold rubber ha...

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

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

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, we comple...

How to Make a Concrete Texture Mat [Slate Model]

How to Make a Concrete Texture Mat [Slate Model]

In this video, we show you how to create a rubber texture mat from real slate. Texture mats are commonly used as concrete texturing tools...

How to Bend or Warp Decorative Concrete in Rubber Molds

How to Bend or Warp Decorative Concrete in Rubber Molds

This video tutorial details the process of casting warped decorative concrete elements in rubber molds made from our liquid mold rubber....