Fiber Cement Board Behind Render: What Specifiers Should Know

Apr 30, 2026 | Blog

Fiber cement board can be used behind render in selected wall and façade systems. However, it should not be treated as a simple “fix and render” material without checking the full system. The board, fixings, joints, primer, mesh, base coat, render finish, and support structure must work together. If one part of the system is wrong, the final surface may crack, move, or fail earlier than expected.

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