Majvest 500 SA is a fully-adhered 3-ply, microporous membrane, designed for use as a long-lasting water-resistive barrier (WRB) and air-barrier (AB) component in commercial and residential buildings. Primer-free adhesion to most common building materials, including concrete, plywood, gypsum, and metal. Reliably sticky in cold temperatures thanks to SIGA’s proprietary acrylic adhesive technology. For above-grade wall applications.
BUILT GREEN® Checklist
*This product can contribute to improved building envelope, and, used alongside other products and proper installation, can contribute to the following checklist item:
1.2.1 Install additional insulation on exterior of above-grade walls, above insulation amounts already required by code: add R5 for 2 points or R10 for 4 points.
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