FoamSealR Sill Plate Gasket, 1/4 in. x 3-1/2 in. x 50 ft.

Owens Corning FoamSealR is a polyethylene foam sill plate gasket that seals the joint between the foundation wall and sill plate. It helps reduce drafts, moisture migration, and insect intrusion while improving energy efficiency in new construction or retrofits.

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Key Features:

• Energy-Saving Seal: Minimizes air leakage at the sill plate to reduce heating and cooling loss.
• Moisture/Insect Barrier: Helps resist moisture movement and blocks insects at the foundation joint.
• Durable Polyethylene Foam: Long-lasting, ridged foam stands up to jobsite handling.
• Easy Installation: Installs quickly with standard tools in convenient 50 ft rolls.
• Versatile Use: Also suitable around window/door frames and building section joints.

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Accessory Type	Sill Plate Gasket
Insulation Features	Condensation Control
Insulation Type	Accessory
Number of Pieces	1
Pack Size	1
Product Depth (in.)	600 in
Product Height (in.)	0.25 in
Product Width (in.)	3.5 in
Material	Polyethylene foam
Roll Length	50 ft
Thickness	1/4 in
Width	3-1/2 in

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Frequently Asked Questions (FAQ):

Q: What are the dimensions of this roll?
A: It measures 1/4 in. thick x 3-1/2 in. wide x 50 ft. long.

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Q: What material is it made from?
A: Polyethylene foam.

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Q: Where is it typically installed?
A: Between the foundation wall and sill plate; can also be used around windows, doors, and panel joints.

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Q: How many pieces are in a pack?
A: 1 roll per pack.

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Q: Does it require special tools?
A: No—cut and install with common hand tools.

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Seal the Base, Elevate the Build

This sleek pink gasket brings a polished, purpose-driven finish to the most fundamental joint in your home. Its ridged foam profile creates a crisp, continuous line that blocks drafts and moisture while visually streamlining the plate-to-foundation connection. Pair it with clean, light framing and precision metal hardware for a modern, quietly refined envelope. Consider it an invisible luxury—performance you feel, not see.

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Upgrade your build’s comfort and efficiency—add FoamSealR to your sill plates today.