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:
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Reduce structural load, increase thermal performance, and simplify installation.
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Improve R-values in CMU block walls with a non-toxic, non-settling fill.
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Break the thermal bridge to the ground with bagged perlite insulation.
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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
Resources
Masonry Fill Thermal Design
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.