Making Rubber Concrete Molds

Liquid rubber is a great way to make durable perfectly smooth molds.

Making rubber concrete molds.

Casting concrete into rubber molds made with smooth on rubber lets you make perfect copies of any original every time. Then you want to put your model on a piece of wood with at least 5 inches or so of room around the bottom of your model. Make your own concrete molds forms texture and stamping mats with polytek s wide selection of concrete mold making materials. The first thing you should do is make sure your model your making a mold of is sealed.

That way the latex rubber won t absorb into it making it tougher to peel off after your mother mold fiberglass shell is done. Saving you time labor and material costs. Globmarble concrete stone molds have the abrasion resistance and tear strength needed to keep production moving. Veneer stone rubber molds for concrete slate texture wall and column cap hearthstone paver 18 recycled material 5 0 out of 5 stars 2 109 95 109.

Through decades of research and development polytek is able to offer one of the most comprehensive selections of flexible mold materials for concrete casting applications. Make sure your first two coats of latex rubber are thinned out mix. We are now proud to offer our quality molds to the ornamental concrete trade. Both make polyurethane rubbers that come as two part liquids resin and hardener.

Molds are ready for casting in a day and last in production. Ornamental concrete statuary molds. This video tutorial details the process of making a poly 75 70 polyurethane rubber mold of a concrete stepping stone. There are two main suppliers of urethane rubber for concrete molds.

They can be brushed on poured on or sprayed onto a model. Prepare the mixture for your rubber mold. Polytek recommends using a 74 45 or a 75 60 material for concrete countertops. Our family owned business has been in the ornamental concrete industry for almost 30 years.

This is when you start making your rubber mold. This will create the liquid rubber that you will pour into your mold. Smooth on rubbers can be applied right at the job site. There should be instructions with the material but most rubbers require you to carefully mix the two parts together using a specific ratio.

Globmarble concrete stone molds made from manufactured in usa high quality urethane rubber. Over the years we have developed our mold making skills while making molds for our retail business. Then your set for the next step. Your rubber will typically come in a two part liquid.