FOAM-iT!™ Series
Castable Rigid Urethane Foam
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.
HIGHLIGHTS
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
Wide Selection
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
Tough and Strong
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
No Scale Necessary
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
High Strength
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
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
Learn how back pressure results in a tighter cell structure and better foam castings
video
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
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How To Make a Foam Prop Hammer
Learn to make foam props using a unique method for splitting a two part mold
video
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
video
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.
video
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.
video
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.
video
How To Repair a Flat Tire Using FlexFoam-iT! 25
See How You Can Use FlexFoam-iT! Foam To Permanently Repair a Tire
video
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.
video
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.
video
Rapid Pole Setting Using FOAM iT!™ 5 Expanding Foam
Using Foam-iT!® 5 fast setting rigid urethane foam offers several advantages for pole setting.
video
How To Make a Custom Foam Storage Insert
A Custom Made Foam Insert for Electronics or Other Delicate Equipment
video
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.
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.
video
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.
video
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...
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...
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...
How to Make Prop Swords out of Flexible Foam
Learn how production companies make prop weapons for use on stage or screen.
video
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.
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.
What Have Other People Done With These Products?
Tripping The Light Foam-Tastic
Prism artisans have perfected a technique for making incredibly detailed food items
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.
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.
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.
Universal Designs Pushes The Envelope Of Costuming
UD Replicas makes amazing costumes using Smooth-On materials.
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.
A Pillow for the Masses
AC Worx Orthopedic, LLC of Crookston, Minnesota develops a concept for an orthopedic pillow.