SPI ENVELO-POUR™ 2 lb. – 30 lb. density is a two component rigid polyurethane system for pour foam applications.  This foam is low viscosity and is specifically designed for pour operations to produce a rigid foam for tooling. flotation, mold fabrication, and void filling.

This product has excellent processing characteristics, and good dimensional stability and adhesion to substrate.

SPI ENVELO-POUR™ 2.0 lb. – 30 lb. is formulated using only Polyether polyols enhancing its hydrolytic stability.

SPI ENVELO-POUR™ can be custom formulated in densities ranging from 2.0 lb. – 30 lb. The product is sold  in 10, 30, and 100 gallon drum sets and 500 gallon tote sets.


Recommended Uses:

envelo-pour-2• Inject high density polyurethane foam to fill voids underneath concrete slabs or behind below ground concrete structures.

• Stabilize uneven or damaged concrete slabs.

• Pour foam applications for tooling, flotation, mold fabrication, and void filling.


Green Features:

envelo-pour• No dangerous heavy metal catalysts (such as lead or mercury)

• No Ozone Depleting Products (ODP)

• No bromine or other halogenated components

• No formaldehyde components

• Mildew, bacteria and fungus resistant

• Contains renewable resource components

• Considered safe for burial and landfill disposal

• Compliant with USDA/FDA requirements for incidental food contact