SealTech 100' x 48" x 3 mm R-15 Polyethylene Foam Reflective Insulation Roll ST-303-48X100

SKU: 123472

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SEALTECH ST-303-48X100 Reflective Insulation Roll Enhance energy efficiency and acoustic comfort with this professional-grade reflective insulation. The SEALTECH ST-303 combines...
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Storage Instructions

Dry Goods: Store in a cool, dry place away from direct sunlight and moisture. Seal the packaging tightly after each use to preserve freshness.

Perishables: Refrigerate immediately upon receiving to maintain optimal freshness. Follow the specific storage temperature guidelines mentioned on the packaging.

Frozen Items: Keep frozen until ready to use. Follow the thawing instructions on the package for best results.

All products come with a "Best Before" or "Use By" date printed on the packaging. Please consume before this date to ensure the best quality.

For fresh or refrigerated items, use within [number of days] of opening.

Shipping & Returns

All orders are processed within 1-3 business days.

Orders are not shipped or delivered on weekends or holidays.

Standard Shipping: 5-7 business days. Rates will be calculated at checkout.

Express Shipping: 2-3 business days. Rates will be calculated at checkout.

Delivery delays can occasionally occur due to unforeseen circumstances.

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SEALTECH ST-303-48X100 Reflective Insulation Roll

Enhance energy efficiency and acoustic comfort with this professional-grade reflective insulation. The SEALTECH ST-303 combines thermal protection with soundproofing capabilities in one versatile, easy-to-install solution.

Dual-Function Performance: Provides both thermal insulation (R-15 rating) and acoustic protection for comprehensive environmental control.

Product Specifications

SKU # 123472
Shipping Weight 14.35 lb
Dimensions 100' × 48" (L × W)
Thickness 3 mm
R-Value R-15
Material Composition Aluminum Foil / Polyethylene Foam Core
Color Silver
Core Type Polyethylene Foam
Surface Finish Reflective (Double-Sided)
Primary Applications Thermal & Acoustic Insulation

Key Features & Benefits

  • Double-sided aluminum foil provides excellent reflectivity
  • R-15 thermal rating for effective energy efficiency
  • 100% virgin polyethylene foam core for consistent performance
  • Acoustic protection reduces noise transmission
  • Moisture-resistant design prevents mold and deterioration
  • UV-resistant properties maintain performance over time
  • Fire-retardant construction enhances safety
  • Non-toxic, odorless materials ensure healthy indoor air quality
  • Lightweight design simplifies handling and installation
  • No peeling required – ready to install upon delivery

Applications & Installation

This versatile insulation roll is designed for multiple applications including residential, commercial, and industrial settings. Use it in walls, ceilings, attics, garages, workshops, or any space requiring improved thermal efficiency or sound reduction. The material cuts easily with standard tools and installs without specialized equipment, making it ideal for both professional contractors and DIY projects.

The reflective aluminum surface creates an effective radiant barrier, reducing heat transfer while the foam core provides additional thermal resistance. This combination delivers superior performance compared to single-material insulation solutions. The vapor barrier properties help control moisture while maintaining structural integrity in varying climate conditions.

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