Perm A Barrier Wall Membrane
Perm a barrier wall flashing and membrane should be covered within 30 days after installation.
Perm a barrier wall membrane. Application perm a barrier primer plus and perm a barrier wb primer are water based primers which impart an aggressive high tack finish on the treated substrate. What temperatures can perm a barrier wall flashing and membrane withstand in the cavity of double wythe masonry. Perm a barrier wall membrane and perm a barrier high temperature wall membrane may be applied only in dry weather when air and surface temperatures are above 40 f 5 c. Application perm a barrier primer plus and perm a barrier wb primer are water based primers which impart an aggressive high tack finish on the treated substrate.
Perm a barrier wall membrane and perm a barrier high temperature wall membrane may be applied only in dry weather when air and surface temperatures are above 40 f 5 c. The softening point of perm a barrier wall flashing and membrane is between 82 93 c 180 200 f. Perm a barrier wall membrane systems must not be applied in areas where they will be permanently exposed to uv light and must be covered within a reasonable amount of time not to exceed 60 days. Perm a barrier wall membrane systems and all other perm a.
Refer to technical letter 19 exposure guidelines for perm a barrier self adhered membranes.