The Sill Seal 3-1/2 in. x 50 ft. Foam Gasket is designed to fill air gaps between the sill plate and the foundation wall, effectively reducing air infiltration. Made from high-grade polyethylene, this foam gasket is durable and moisture resistant, preventing water and insect intrusion. It is yellow in color and helps prevent rotting of the sill plate while ensuring long-lasting performance.

• Designed to fill the air gaps between the sill plate and the foundation wall, reducing air infiltration
• Durable and moisture resistant to prevent water and insect intrusion
• Prevents rotting of the sill plate and will not deteriorate
• Foam gasket designed to seal gaps and prevent air leaks
• Helps improve energy efficiency by reducing drafts
• Easy to install for quick sealing solutions