Floor Drying After Flooding

12/11/2019 (Permalink)

Subfloors

• Layers of submerged plywood or OSB subfloors will likely separate or swell. Affected sections must be replaced to keep the new floor covering from buckling.
• When floor coverings are removed, allow the subflooring to dry thoroughly, which may take months without a dehumidifier.
• Check for warping before installing new flooring.

Wood Floors

• Carefully remove a board every few feet to reduce buckling caused by swelling. If boards are tongue-and-grooved, consult a carpenter or flooring professional.
• Clean and dry the floor thoroughly, which may take weeks, before replacing boards and attempting repairs.

Tile and Sheet Flooring

• If a submerged wood subfloor swells or separates, flooring will need to be removed. (Asbestos tiles should be removed only by a trained professional.)
• If the subflooring is concrete, removal of the floor covering will hasten drying of the slab, but it might not be necessary if it would ruin an otherwise unharmed material.
• If water has seeped under loose sections of sheet flooring, remove the entire sheet. Ease of flooring removal depends on the type of material and adhesive. Contact a reputable dealer to find out what product and technique (if any) will loosen the adhesive.

Source: Texas A&M