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Foam Sill Sealer, White, 3.5 In. X 50 Ft.

Original price was: $5.99.Current price is: $4.24.

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34 in stock

SKU: 191687 Category:

Presenting White Ribbed Polyfoam Sill Seal Strip – 3.5″ x 50 ft Roll, a flexible, rib‑patterned barrier designed to snugly fit between your foundation wall and sill plate. Crafted from durable polyethylene foam, this 3.5‑inch wide roll delivers a clean, uniform seal that blocks drafts while maintaining a crisp white finish that blends seamlessly with most interior trims. Its lightweight composition makes installation quick and mess‑free, giving you a professional‑grade result without the need for specialized tools.

Why choose this sill sealant? By sealing the gap at the base of your walls, it dramatically cuts air infiltration, helping you lower heating bills and improve overall comfort. The moisture‑resistant formula prevents mildew growth and shields the sill plate from rot, extending the life of your structural framing. Ideal for both new construction and retrofits, it offers a reliable, low‑maintenance solution for energy‑efficient homes.

Key Features & Benefits:

  • Ribbed polyethylene construction: Provides a compressible yet sturdy barrier that conforms to uneven surfaces while delivering superior air‑sealing performance.
  • Air‑leak reduction: Blocks drafts at the foundation, boosting energy efficiency and decreasing HVAC load.
  • Mildew‑ and water‑resistant: Prevents moisture buildup and fungal growth, protecting wood components from decay.
  • Rot protection for sill plates: Acts as a sacrificial layer that absorbs water exposure, preserving structural integrity.
  • Easy roll‑out installation: 50‑foot length allows continuous coverage, minimizing seams and simplifying the sealing process.

Experience lasting comfort and protection: This white foam sill sealer delivers a clean, professional finish while safeguarding your home against the most common sources of energy loss and moisture damage. Its resilient material stands up to temperature fluctuations and daily wear, ensuring a durable seal that lasts for years. Upgrade your foundation’s defense today and enjoy a tighter, drier, and more efficient living space.