1 in. x 4 ft. x 8 ft. Tounge & Groove EPS Foam Board with Drainage Grooves, 1.5 lb. | FOAMTG4G

Tongue & Groove EPS foam sheet used in stucco applications. Comes with vertical grooves to aid in the drainage of moisture in the wall cavity.

• Expanded Polystyrene Foam
• Vertical grooves for wall cavity moisture drainage
• Tongue & Groove
• Thickness: 1 in.