EnerShield is a fully formulated, premixed water based acrylic copolymer roll on membrane. EnerShield is used as a roller applied air / weather barrier over Gypsum sheathing, Securock / Dens Glass Gold and sound unpainted exterior grade wood based sheathings such as plywood, non-veneer boards and CMU and masonry. For use on other substrates, contact energex® for specific written approval. All Joints must be reinforced with a 4” wide strip of Enermite 4.5 mesh.