SealTech 20' x 36" x 3 mm R-15 Polyethylene Foam Reflective Insulation Roll ST-303-36X20

SKU: 123503

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SEALTECH ST-303-36X20 Reflective Insulation Experience superior thermal and acoustic performance with this premium polyethylene foam reflective insulation. Engineered with 100%...
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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.

Categories: All New Products , All Products , Building Insulation Rolls , Facility & Maintenance , Heating, Cooling, and Air Quality , Industrial , Industrial Supplies

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SEALTECH ST-303-36X20 Reflective Insulation

Experience superior thermal and acoustic performance with this premium polyethylene foam reflective insulation. Engineered with 100% virgin materials and double-sided aluminum foil for maximum energy efficiency and soundproofing capabilities.

Primary Advantages

High R-15 thermal rating • Excellent sound absorption • Easy installation • Moisture & UV resistant • Fire retardant • Non-toxic materials

Product Specifications
SKU # 123503
Shipping Weight 2.14 lb
Dimensions 20' Length Ă— 36" Width Ă— 3 mm Thickness
Color Silver
R-Value R-15
Core Material Polyethylene Foam
Surface Material Double-sided Aluminum Foil
Key Features Reflective Finish, Fire Retardant, UV Resistant
Primary Applications Thermal & Acoustic Protection

Performance Features

  • Advanced Thermal Control: R-15 rating provides excellent insulation against heat transfer
  • Superior Soundproofing: Effectively reduces noise transmission for quieter spaces
  • Premium Construction: 100% virgin polyethylene foam with reflective aluminum surfaces
  • Easy Installation: Lightweight material cuts easily without special tools or peeling
  • Durable Protection: UV and moisture resistant with built-in vapor barrier
  • Safety Compliant: Fire-retardant and made from non-toxic, odorless materials

Package Dimensions: 20 feet long Ă— 36 inches wide Ă— 3 mm thick roll

Recommended Applications

Ideal for residential, commercial, and industrial insulation projects. Perfect for attics, walls, basements, garages, workshops, metal buildings, and behind radiant barriers. The versatile design adapts to various installation requirements while maintaining optimal thermal and acoustic performance.

The double-sided reflective surface maximizes energy efficiency regardless of installation orientation. Simple to handle and install, this insulation roll provides professional-grade results with DIY convenience.

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