Using meshcloth
Performance tests of reinforcement meshes embedded within a
Performance tests of reinforcement meshes embedded within a
The ability of the render to distribute and resist stresses can be enhanced by the inclusion of weber standard mesh cloth. This should be applied at typical stress points in the substrate such as above and below openings and windows and doors, and at junctions of dissimilar materials e.g. ring beams. Mesh should also be used around crack inducers such as weep holes. Note the positioning of the mesh is critical within the render thickness; no contact should occur with the substrate; likewise to avoid mesh being exposed in the scraping process it needs to be located mid thickness in a zone of the first 5 to 10mm of the total render coat. The mesh should be pressed evenly into a freshly applied pass of weberpral M (or weberpral D) using a trowel or spatula. The mesh must be encapsulated in a wet on wet process to achieve the monolithic bond of the subsequent pass of render. Mechanically fixing the mesh is not in order and will impair the bond of the render to the wall. It is not a carrier lathing. Cut the mesh into strips that will extend 500mm x 250mm = H X L past the point of perceived weakness.
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