FOAM-iT!™ Series

FOAM-iT!™ Series

Castable Rigid Urethane Foam

FOAM-iT!™ Series

FOAM-iT!™ expanding foams are easy to use and cure rigid and strong. They can be used as a lightweight casting material, backfill material for encapsulation or to make hollow castings. You can color them with SO-Strong™, UVO™ or Ignite™ colorants for a variety of art/craft, industrial or special effects applications.

Technical Information & More

HIGHLIGHTS

Available in Different Densities

Available in Different Densities

Available in Different Densities

FOAM‑iT!3, 4, 5, 8, 10, 15 and 26 are expanding water blown polyurethane foams in 3, 4, 5, 8, 10, 15 and 26 pound densities. Most feature an easy to use 1:1 mix ratio by volume and cure at room temperature.

Lightweight Castings Lightweight Castings
Wide Selection Wide Selection

Quality and Versatility

Quality and Versatility

Quality and Versatility

FOAM‑iT!™ are closed cell foams that provide a better surface finish and water resistance. FOAM‑iT!™ foams offer higher physical and performance properties and are especially useful as reinforcement for hollow castings.

Excellent Value Excellent Value
Tough and Strong Tough and Strong

FOAM-iT!™ 4 Black

FOAM-iT!™ 4 Black

FOAM-iT!™ 4 Black

FOAM-iT!™ 4 Black is a pre-pigmented deep black color rigid foam with an approximate expansion of 14 times its original volume. Lightweight and economical.

One to One by Volume One to One by Volume
No Scale Necessary No Scale Necessary

FOAM-iT!™ 8

FOAM-iT!™ 8

FOAM-iT!™ 8

This castable foam is self-skinning with a finer, more uniform cell structure for better reproduction of surface detail. It also machines more accurately and is often used by industrial companies for making custom shaped tooling boards.  Foam‑iT!™ 8 is bright white, measured and mixed 2A:1B by weight.

Gram Scale Required Gram Scale Required
High Strength High Strength

FOAM-iT!™ 10 SLOW

FOAM-iT!™ 10 SLOW

FOAM-iT!™ 10 SLOW

FOAM‑iT!™ 10 SLOW is designed for large-pour applications. Product testing done by the US Military proved that a combination of FOAM‑iT!™ 10 SLOW and Ultra-Fast Setting Concrete successfully shortened a multi-day repair process to a matter of hours. Thousands of pounds of FOAM-iT!™ are meter mixed on-site and dispensed in minutes.

No Scale Necessary No Scale Necessary
Increased Pot Life Increased Pot Life

Technical and Buying Information

Select a Product Below Foam Density Expansion (approximate)
 FOAM-iT!™ 3 3 lb/ft³ 18 times
 FOAM-iT!™ 4 4 lb/ft³ 14 times
 FOAM-iT!™ 4 BLACK 4 lb/ft³ 14 times
 FOAM-iT!™ 5 5 lb/ft³ 10 times
 FOAM-iT!™ 8 8 lb/ft³ 8 times
 FOAM-iT!™ 10 10 lb/ft³ 6 times
 FOAM-iT!™ 10 SLOW 10 lb/ft³ 6 times
 FOAM-iT!™ 15 15 lb/ft³ 4 times
 FOAM-iT!™ 26 26 lb/ft³ 2 times

VIDEOS and GALLERIES

Step-by-Step How-To Articles

video

How To Improve The Surface Finish Of Foam Castings Using Back Pressure

How To Improve The Surface Finish Of Foam Castings Using Back Pressure

Learn how back pressure results in a tighter cell structure and better foam castings

 View How-To Article

video

How To Mold and Cast Foam Props - Via Tested.com

How To Mold and Cast Foam Props - Via Tested.com

Via Tested - How to make simple silicone molds to cast and paint foam replicas of props like shop tools

 View How-To Article

video

How To Make a Foam Prop Hammer

How To Make a Foam Prop Hammer

Learn to make foam props using a unique method for splitting a two part mold

 View How-To Article

video

How To Make a Foam Prop Sword Using a Silicone 2 Part Mold

How To Make a Foam Prop Sword Using a Silicone 2 Part Mold

How a 3D printed master is used to pour a silicone mold for a prop sword

 View How-To Article

video

How To Make Cosplay Chest Armor Using FlexFoam-iT!™ 15 SLOW Urethane Foam

How To Make Cosplay Chest Armor Using FlexFoam-iT!™ 15 SLOW Urethane Foam

Learn how you can use FlexFoam-iT!™ 15 SLOW to create lightweight, very strong chest armor.

 View How-To Article

video

How To Repair an Archery Target Using FlexFoam-iT! 15

How To Repair an Archery Target Using FlexFoam-iT! 15

In this tutorial video, FlexFoam-iT! 15 urethane foam is used to repair an archery target.

 View How-To Article

video

How To Set a Sign Post Using Expanding Urethane Foam

How To Set a Sign Post Using Expanding Urethane Foam

This video tutorial shows how FOAM-iT! 10 SLOW can be used to rapidly set a sign post.

 View How-To Article

video

How To Repair a Flat Tire Using FlexFoam-iT! 25

How To Repair a Flat Tire Using FlexFoam-iT! 25

See How You Can Use FlexFoam-iT! Foam To Permanently Repair a Tire

 View How-To Article

video

How To Make Foam Squishies Using FlexFoam-iT! III Liquid Expanding Foam

How To Make Foam Squishies Using FlexFoam-iT! III Liquid Expanding Foam

How to safely make a foam squishy using Smooth-On FlexFoam-iT! III liquid expanding urethane foam.

 View How-To Article

video

How To Make a Custom Foam Seat Using Pourable Urethane Foam

How To Make a Custom Foam Seat Using Pourable Urethane Foam

Pourable polyurethane foam materials are used to create a unique piece of custom furniture.

 View How-To Article

video

Rapid Pole Setting Using FOAM iT!™ 5 Expanding Foam

Rapid Pole Setting Using FOAM iT!™ 5 Expanding Foam

Using Foam-iT!® 5 fast setting rigid urethane foam offers several advantages for pole setting.

 View How-To Article

video

How To Make a Custom Foam Storage Insert

How To Make a Custom Foam Storage Insert

A Custom Made Foam Insert for Electronics or Other Delicate Equipment

 View How-To Article

video

How To Make a 3-D Aquarium Background Using Foam-iT!® 5

How To Make a 3-D Aquarium Background Using Foam-iT!® 5

An easy way to add realism and beauty to your aquarium is to make a custom background.

 View How-To Article

How To Caste a Prop Engine Block Using FlexFoam® iT! 17

How To Caste a Prop Engine Block Using FlexFoam® iT! 17

The surface finish of the cured Flex Foam-iT! 17 foam approaches that of a urethane elastomer.

 View How-To Article

video

How To Make a Flexible Foam Prop Concrete Block

How To Make a Flexible Foam Prop Concrete Block

This tutorial shows how Flex Foam-iT! X can be cast to create a realistic cinder block prop.

 View How-To Article

video

How To Make Flexible Foam Prop Cinder Blocks

How To Make Flexible Foam Prop Cinder Blocks

The scene in Spider Man 3 called for the heroine, Mary Jane, to again be in peril...

 View How-To Article

Zeus Head Created with Foam iT!® 5

Zeus Head Created with Foam iT!® 5

Cast Magic® Casting System is an easy way to add an endless variety of bright metallic, glitter and color effects to your castings...

 View How-To Article

How To Make a Brush-On Mold with a Lightweight Support

How To Make a Brush-On Mold with a Lightweight Support

The following is a demonstration on how to make a mold of stone veneer using...

 View How-To Article

How to Make Prop Swords out of Flexible Foam

How to Make Prop Swords out of Flexible Foam

Learn how production companies make prop weapons for use on stage or screen.

 View How-To Article

video

Cosplay Tutorial: How To Cast a Flexible Foam Hellboy Fist

Cosplay Tutorial: How To Cast a Flexible Foam Hellboy Fist

Smooth-On fan Jon N. uses FlexFoam-iT! X to make a durable, lightweight "Hellboy" inspired fist for cosplay.

 View How-To Article

How To Repair a Tractor Seat Using FlexFoam-iT!™ 15

How To Repair a Tractor Seat Using FlexFoam-iT!™ 15

In this tutorial we show how FlexFoam-iT! 15 can be used to repair a damaged John Deere® tractor seat.

 View How-To Article

What Have Other People Done With These Products?

Tripping The Light Foam-Tastic

Tripping The Light Foam-Tastic

Prism artisans have perfected a technique for making incredibly detailed food items

 View Feature Article

Foam-iT On The Set Of 'The Pink Panther 2'

Foam-iT On The Set Of 'The Pink Panther 2'

For the upcoming film 'The Pink Panther 2', the action takes place at many locales around the world.

 View Feature Article

Puppet legacy lives on with Smooth-On Products

Puppet legacy lives on with Smooth-On Products

In 1938 a 15 year old boy created and staged his marionette version of Puss in Boots for children at the Nashville Public Library.

 View Feature Article

Screamline Studios Makes Props To Die For

Screamline Studios Makes Props To Die For

Operating out of Mentor Ohio since 1996, Screamline Studios has provided professional design, construction, and coordination for primarily the haunted attraction industry.

 View Feature Article

Universal Designs Pushes The Envelope Of Costuming

Universal Designs Pushes The Envelope Of Costuming

UD Replicas makes amazing costumes using Smooth-On materials.

 View Feature Article

The Sole of Red Wings Giant Work Boot: Size 638D

The Sole of Red Wings Giant Work Boot: Size 638D

The Red Wing Shoe Company was built on America's great promise at the end of the 19th century that if one worked hard enough, one could achieve anything.

 View Feature Article

A Pillow for the Masses

A Pillow for the Masses

AC Worx Orthopedic, LLC of Crookston, Minnesota develops a concept for an orthopedic pillow.

 View Feature Article