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Structure Home Insulation System

Structure Home Insulation System Siding is an exclusive combination of vinyl siding technologies and high-performance foam that wraps your home in a continuous blanket of insulation, keeping you warm in winter and cool in summer. Highly impact resistant and easy to maintain, the wide panels look and feel like traditional wood siding. See the brochure for full color assortment.

Available Colors and Sizes


At Mastic, we have families, too, and we know the importance of getting good value for your money. We engineer products that are durable, long lasting and designed to hold up to life. To help protect your investment, we offer the most comprehensive warranties in the business. In short, Mastic stands behind every product, every day. If you have an issue, we want to know about it.

Product Details

  • Premium 1-1/4″ panel thickness

  • 3/4″ panel projection

  • Withstands up to 190 mph winds

  • Matching accessories available

  • 5 Permeability Rating

  • Third-party certified

Features and Benefits

Insulated – High insulating power lowers energy bills, shrinks your carbon footprint, and reduces noise. Expanded Polystyrene Foam insulation and rigid substrate add strength, improve impact resistance, and increase the R-value of exterior walls, helping save energy year-round.

Very Strong – Dent resistant with up to 300% more impact resistance than standard vinyl.

Versatile – Available in a variety of styles in wide panels and extra-long lengths for a seamless look, even on larger homes.

Exceptional Curb Appeal – Beautiful detailed cedar texture with a deep shadow line to make your home stand out.

Low Maintenance – Doesn’t require painting so you can spend more time enjoying your home, not maintaining it.

Patented T3-LOK Panel Locking System – Panels grip together for fast, easy installation uniquely designed lock tightens under pressure so siding stays put even in challenging weather conditions.

Exclusive Hang-Tough Technology – Boosts durability so panels are more resistant to cracking, impact and thermal distortion. As an added benefit, rich color resides throughout the panel virtually eliminating the appearance of nicks and minor surface scratches.

Duranyl 5000 Protection System – Proprietary technology adds extra UV protection to our deepest, most vivid colors, and protections colors against hard elements and maximizes long-term weatherability.

Sustainable Formula – sustainable and recyclable for a better, eco-friendly choice.

VIP Limited Lifetime Warranty – Premium guarantee of lasting quality and peace of mind (see warranty for complete details).