M-Shield® Reflective Wall Insulation

The Industry-Leading Zero-Mold Reflective Insulation for Masonry Walls

An advanced insulation technology used on furred-out Masonry walls, M-Shield^® is designed to resist mold growth by combining a synthetic polymer facing on premium-grade aluminum foil. The synthetic polymers contain no cellulose and, therefore, reduce the risk of exposure to create safer, better air quality. When tested to ASTM standards, M-Shield® exhibited zero mold or mildew growth. It’s remarkably easy to install and is created to get you more R-value for less, saving labor and material.

Blocks heat transfer up to 97% and includes an industry-leading 10-year transferable warranty. In more humid climates, M-Shield^® is a smart choice to insulate all your masonry buildings.

How It Works

M-Shield^® has two layers. The inside layer is aluminum foil. The outer layer is a synthetic polymer material, and the product is designed with small perforations to allow vapor transmission for applications not requiring a vapor retarder.

Our technology uses expanders that separate the paper from the foil to create reflective air spaces. When installed on furring strips, 16″ or 24″ on-center, the air is trapped inside the cavity, and the reflective components improve the performance.

Since the reflective layers also reduce the sizes of the airspaces in the cavity, reflective insulation also reduces heat transfer by convection. The result is a more comfortable building and better energy efficiency.