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Tutorials & Videos

Find Polytek® tutorials based on Product Type, Application or Mold Making and Casting Technique.
Rubber Blanket Molds: The Basics
The rubber blanket mold technique is a great method to master as a mold maker.
How to Make a Rubber Mold to Reproduce Concrete Stepping Stones
The following tutorial details how to reproduce concrete stepping stones (or pavers) from an existing stepping stone.
Poured Blanket Mold of Architectural Element for Concrete Casting
Two times a year, we hold a Mold Making & Casting Seminar & Workshop.
Customer Project: Cast Stone Magnolia Buds for Tattnall Square Park
West Side Stone Works of Macon, Georgia took on a mold making and casting project to create cast stone magnolia buds that would serve as finials on the columns situated at the entrance of Tattnall Square Park in historic Macon.
Customer Project: Indianapolis Fabrications Assists Sopheap Pich – “A Room” Installation
Polytek was commissioned to assist Sopheap Pich with the “A Room” installation at the Indianapolis Museum of Art (IMA).
Tek-Tip: How to Store Rubber Molds to Extend Library Life
When properly taken care of, molds can have a library life of up to 10 years or more.
Casting Concrete in Polyurethane vs. Silicone Rubber Molds
Here at Polytek, we often recommend the use of liquid polyurethane rubber to make molds for concrete casting.
How to Prepare a Model When Making a Polyurethane Rubber Mold
A model, also called a “master”, should be prepared according to the model material & mold material.
Looking Back: Hanks & Spielberg Receive Cold-Cast Bronze Statues
Looking back through the archives of Developments, a Polytek® printed newsletter covering a variety of mold making and casting topics, we are reminded of decade-old customer projects that deserve to be revisited.
Tek-Tip: Repairing Torn Rubber Molds
If a tear develops in your polyurethane rubber or silicone rubber mold, one of the following options may help to repair it.