Majvest 500 SA

Self-Adhered Air Barrier Membrane


High Performance Air & Weather Barriers


Passive House & High Performance Solution


We stick where others won't


AIA approved

Job-site Training

Installation Support

Increase Energy Efficiency

Transform your building into a high performance structure to maximize energy savings.

Protect Your Investment

Permanently protect your building from wind, rain, snow, insects, condensation and mold by building air and weather tight.

Increase Comfort and Health

Stay cooler in the summer and warmer in winter by building air tight, all while reducing street noise and pollution.