Dictionary of Moisture Protection & Restoration

Solving water intrusion problems 1. Natural gravity To avoid any water penetration it is necessary to have: a) The proper barrier, without any breach so that the rain cannot penetrate at all. b) The proper sloping. (Minimum ¼” per

foot.) A good example is the teepee; built of materials that are hardly waterproofed. The interior will remain dry because the design sheds the water off immediately. However, use the same material in a horizontal or minimally sloped area and water will penetrate the same material.

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