Mortar Net® USA's Masonry Drainage and Ventilation Systems Mortar Net® with Insect Barrier, TotalFlash® Cavity Wall Drainage System & Blok-Flash® for CMU Exterior WallsCreated by masonry experts, patented Mortar Net® Masonry Drainage and Ventilation Systems surpass all other methods of ensuring that cavity or single-wythe CMU walls breathe, drain, and dry quickly and efficiently. Created by Masonry Experts – Mortar Net® with Insect BarrierMortar Net® with Insect Barrier is the leading mortar dropping collection product providing the solution for clogged weep holes in masonry cavity construction, ensuring masonry walls breathe, drain and dry quickly and efficiently. Mortar Net® with Insect Barrier eliminates weep hole blockage from mortar droppings and ensures water that enters the wall will be directed to the weep holes. Now with another layer of defense – inside the wall cavity - Mortar Net® with Insect Barrier is placed on top of the flashing inside the wall cavity where it catches and permanently suspends mortar droppings above the level of the weep holes. Its patented trapezoidal shape prevents mortar from forming a continuous dam and its shape, in combination with its 90 percent open mesh weave, allows water to rapidly and easily move through the material of the product to the weeps. It also allows for proper air movement in and out of the cavity. This eliminates pressure differentials that force moisture into the cavity, thus promoting rapid drying of the wall. Mortar Net's® with Insect Barrier efficient management of moisture migration eliminates efflorescence on interior and exterior masonry walls, prevents damage caused by freeze-thaw cycles and is the first step in preventing conditions that allow mold growth. Mortar Net™ will last the life of a building and retain its shape and rigidity. It is available in .4" × 10"H, 1" × 10"H, and 2" × 10"H and comes boxed in 5' strips. Mortar Net® with Insect Barrier is lightweight, so it's easy to transport and handle, even on high scaffolding. It is compressible to allow for cavity size variations, making it easier for masons to install. Mortar Net™ requires no fasteners or adhesives, no special skills or tools, and no on-site modifications.
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