Sill Sealer

Definition

A sill sealer is a type of compressible material placed between the foundation wall and sill plate to seal any gap between them.

Purpose

The purpose of a sill sealer is to prevent air infiltration, moisture penetration, and pest intrusion by sealing gaps between the foundation and the sill plate.

Examples of Use

• In new home construction, sill sealers are used to improve energy efficiency by preventing drafts.
• Renovations and retrofits may include installing sill sealers to enhance insulation and prevent moisture damage.
• Sill sealers are used in commercial buildings to create a tight seal between the foundation and framing.

Related Terms

• Insulation: Material used to prevent the passage of heat, sound, or electricity.
• Weatherstripping: Material used to seal gaps around doors and windows to prevent drafts.
• Moisture Barrier: A material that prevents moisture from passing through walls or floors.

Notes

Proper installation of sill sealers is essential for maintaining the energy efficiency and durability of a building, protecting against environmental factors.

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