Moisture Sensitive Sheathings vs Moisture Resistive Sheathings vs Moisture Proof Sheathings
Moisture Sensitive Sheathings – Easily damaged by extended exposure to moisture (Plywood, OSB Sheathing, and Exterior Grade Paper-faced Gypsum Sheathing).
OSB sheathing.
Plywood sheathing.
Exterior grade Paper-faced Gypsum Sheathing.
Moisture Resistive Sheathings – Resists intermittent and low quantity exposure to moisture (Fiberglass-faced siliconized core gypsum sheathing).
Fiberglass-faced siliconized core gypsum sheathing.
Moisture Proof Sheathings– resists damage or deterioration from extended exposure to moisture (Cement Board Sheathing).
Cement Board Sheathing.
Permabase 2 Cement Board Sheathing.