Lighter. Smarter.
More Efficient.

Expanded perlite gives you insulation, fire resistance, and reduced dead load, all in one reliable material.

Perlite Makes Buildings Better

Midwest Perlite provides construction-grade expanded perlite that delivers industry-leading performance in lightweight insulating concrete, fire-resistant assemblies, pool bases, and underslab insulation. Whether you're designing for energy efficiency, material efficiency, or code compliance, our products help you hit your goals without compromise.

Application Areas:

  • Reduce structural load, increase thermal performance, and simplify installation.

  • Improve R-values in CMU block walls with a non-toxic, non-settling fill.

  • Break the thermal bridge to the ground with bagged perlite insulation.

  • Create a smooth, insulated base for vinyl-lined in-ground pools.

Proven in the field.

Backed by experience.

Why Builders Choose Midwest Perlite

Inorganic & Non-Combustible

LEED-Contributing & Low-GWP

Easy to Mix, Pour & Finish

Field-Tested Mix Designs

High Thermal Resistance

Nationwide Availability

Masonry Fill Thermal Design

Resources

Perlite LEED Information

Perlite Loose Fill Masonry Insulation Guide

Let’s Build Something Better

Need guidance on a mix design or help with insulation specs?
We’re here to help.