Polyurethane & Silicone Foams
Expanding polyurethane and silicone foams for lightweight fills, props, special effects and industrial applications.
Rigid Foam



FOAM-iT! expanding foams in densities from 3 to 26 lb/cu ft. These rigid foams are perfect for backfilling hollow castings, creating lightweight cores, props, cushioning, and encapsulation. Water-blown formulations with fast cure times and easy 1:1 mix ratios. Can be colored with SO-Strong pigments for custom colors.
Silicone Foam


Soft two-component platinum silicone casting foams that are versatile and easy to use. Can be used for a variety of industrial and special effects applications including making foam filled appliances, padding/seat cushioning, orthotics/orthopedics, potting and encapsulation of electrical circuits and vibration dampening.
Foam Accessories
Additives compatible with Smooth-On Expanding Foams for altering and enhancing their characteristics and performance. Choose from a variety of colourants, casting powders, and the recommended appropriate release agents for casting the FOAM-iT™ and FlexFoam-iT!™ polyurethane foams or Soma Foama™ silicone foams.

