ICF & Dimple Drain Board
My contractor has a concern that the dimples on Dimple Drain Board will gradually press themselves into the foam of ICF and eliminate the drain space ( due to the pressure of the backfill). I contend that the pressures of the backfill are not so great, or that the resistance of the foam of the ICF is sufficient, or both, that the dimples will never press so far into the foam as to make the drain space ineffective.
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