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How does grout or mortar joints affect long-term adhesion of wall graphics?

Joints vary in depth and texture—premium non-PVC or cast films conform best to shallow grout lines, while deep or protruding lines may need film trimming for optimal results.

Mortar joints and/or grout greatly vary in width, depth, profile, and texture. Cast films for textured walls work best if the grout lines are less than 1/8 in. (3.2 mm) deep.

Conforming over excessive depth and texture, such as Raked, Weathered or Struck, will be more challenging and may not achieve the desired results.

The Best Practice for excessively deep or protruding grout lines is to completely cut out the sections of the film that will fall into these areas.